Auto User Guide

2023 GMC Yukon XL Keys and Smart Key | How To use

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2023 GMC Yukon XL Keys and Smart Key Quick Guide

The 2023 GMC Yukon XL is an extraordinary automobile that features smart and sophisticated key technologies that are intended to enhance security and convenience. One of its primary characteristics is an advanced smart key system that provides effortless entry and improved capabilities. By effortlessly unlocking doors or utilizing intelligent features to enhance the driving experience, the keys and smart key technology of the Yukon XL revolutionize convenience and tranquility while traveling.

Keys and Locks

Keys Warning Leaving children in a vehicle with a remote key is dangerous and children or others could be seriously injured or killed. They could operate the power windows or other controls or make the vehicle move. The windows will function with the remote key in the vehicle, and children or others could be caught in the path of a closing window. Do not leave children in a vehicle with a remote key. 2023 GMC Yukon XL Keys and Smart Key (1) 2023 GMC Yukon XL Keys and Smart Key (2) The mechanical key inside the remote key is used for the driver door and glove box. To remove the mechanical key, press the button on the side of the remote key near the bottom, and pull the mechanical key out. Never pull the mechanical key out without pressing the button. The mechanical key may have a bar-coded key tag that the dealer or qualified locksmith can use to make new keys. store this information in a safe place, not in the vehicle. See your dealer if a replacement key or additional key is needed. If it becomes difficult to turn a key, inspect the key blade for debris. Periodically clean with a brush or pick. With an active OnStar or connected service plan, an OnStar Advisor may remotely unlock the vehicle. See OnStar Overview If locked out of the vehicle, see Roadside Assistance Program. If equipped with memory seats, remote keys 1 and 2 are linked to seating positions of memory 1 or 2. See Memory Seats. Remote Key See Radio Frequency Statement If there is a decrease in the remote key operating range:

  • Check the distance. The remote key may be too far from the vehicle.
  • Check the location. Other vehicles or objects may be blocking the signal.
  • Check the remote key’s battery. See “Battery Replacement” later in this section. If the remote key is still not working correctly, see your dealer or a qualified technician for service.

Remote Key Operation The Keyless Access system allows for vehicle entry when the remote key is within 1 m (3 ft). See “Keyless Access Operation” later in this section. The remote key functions may work up to 60 m (197 ft) away from the vehicle. Other conditions can affect the performance of the remote key. 2023 GMC Yukon XL Keys and Smart Key (3)

  • 2023 GMC Yukon XL Keys and Smart Key (Press to lock all doors.
  • If enabled, the turn signal lamps flash once on the second press to indicate locking has occurred. If enabled, the horn chirps when
  • 2023 GMC Yukon XL Keys and Smart Key (is pressed again within three seconds. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”. Pressing
  • 2023 GMC Yukon XL Keys and Smart Key (arms the alarm system. See Vehicle Alarm System.
  • If equipped with auto mirror folding, double pressing and holding
  • 2023 GMC Yukon XL Keys and Smart Key (for one second will fold the mirrors, if enabled. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Comfort and Convenience”.
  • 2023 GMC Yukon XL Keys and Smart Key (19 : Press once to unlock only the driver door. If K is pressed again within three seconds, all remaining doors unlock. The interior lamps may come on and stay on for 20 seconds or until the ignition is turned on. If enabled, the turn signal lamps flash twice to indicate unlocking has occurred. If enabled, the exterior lamps may turn on. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”.2023 GMC Sierra LD 1500 Keys and Smart Key 03
  • Press to lock all doors and the tailgate, if equipped.
  • Pressing 2023 GMC Sierra LD 1500 Keys and Smart Key 03arms the alarm system. See Vehicle Alarm System.
  • With power folding mirrors, double pressing
  • If enabled, the turn signal lamps flash and/or the horn may sound on the second press to indicate locking has occurred. If enabled, the horn chirps when 2023 GMC Sierra LD 1500 Keys and Smart Key 03is pressed again within three seconds. To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start.
  • arms the alarm system. See Vehicle Alarm System.
  • If equipped with remote mirror folding, double pressing and holding  is pressed again within three seconds, all remaining doors and the tailgate unlock. The interior lamps may come on and stay on for 20 seconds or until the ignition is turned on.

If enabled, the turn signal lamps flash twice to indicate unlocking has occurred. If enabled, the exterior lamps may turn on. To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start. Pressing K on the remote key disarms the alarm system. See Vehicle Alarm System If equipped with remote mirror folding, double pressing and holding 2023 GMC Yukon XL Keys and Smart Key (19for one second will unfold the mirrors, if enabled. To view available settings from the infotainment screen, touch Settings > Vehicle > Comfort and Convenience. Double press and hold K until the windows fully open, if remote window operation is enabled. To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start. Pressing 2023 GMC Yukon XL Keys and Smart Key (19 on the remote key disarms the alarm system. See Vehicle Alarm System If equipped with auto mirror folding, double pressing and holding K for one second will unfold the mirrors, if enabled. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Comfort and Convenience”. Double press and hold 2023 GMC Yukon XL Keys and Smart Key (19 until the windows fully open, if remote window operation is enabled. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”.

  • Keyless Access Operation
  • The Keyless Access system allows for doors, tailgates, and hood to be accessed without removing the remote key or digital key from your pocket, purse, briefcase, etc. The remote key or digital key must be within 1 m (3 ft) of the tailgate, hood, or door being opened. If the vehicle has this feature, there will be a button on the outside door handles.
  • Keyless Access can be programmed to unlock all doors on the first lock/unlock press from the driver door. To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start.
  • If equipped with memory seats, remote keys 1 and 2 are linked to seating positions of memory 1 or 2. See Memory Seats
  • Press twice to open or close the liftgate. Press once to stop the liftgate from moving.
  • Press twice to open the liftglass.
  • Press and release to initiate vehicle locate. The turn signal lamps flash and the horn sounds three times.
  • Press and hold 7 for more than three seconds to activate the panic alarm. The turn signal lamps flash and the horn sounds repeatedly for 30 seconds. The alarm turns off when the ignition is turned on or 7 is pressed again. The ignition must be off for the panic alarm to work. To remote start the vehicle, double press / from outside the vehicle using the remote key. The vehicle cannot be started if a remote key is left inside the vehicle. See Remote Vehicle Start

The Keyless Access system allows for doors and the liftgate to be accessed without removing the remote key from your pocket, purse, briefcase, etc. The remote key must be within 1 m (3 ft) of the liftgate or door being opened. If the vehicle has this feature, there will be a button on the outside door handles. Keyless Access can be programmed to unlock all doors on the first lock/unlock press from the driver door. To view available settings for this feature, touch the Settings icon on the infotainment home page. Select “Vehicle” to display the list of available options and select “Remote Lock, Unlock, Start”. If equipped with memory seats, remote keys 1 and 2 are linked to seating positions of memory 1 or 2. See Memory Seats Keyless Unlocking/Locking from the Driver Door When the doors are locked and the remote key is within 1 m (3 ft) of the door handle, pressing the lock/unlock button on the driver door handle will unlock the driver door. If the lock/unlock button is pressed again within five seconds, all passenger doors and the liftgate will unlock. 2023 GMC Yukon XL Keys and Smart Key (4)

Driver Side Shown, Passenger Side Similar

Pressing the lock/unlock button will cause all doors to lock if any of the following occur

  • It has been more than five seconds since the first lock/unlock button press.
  • Two lock/unlock button presses were used to unlock all doors.
  • Any vehicle door has been opened and all doors are now closed.

Keyless Unlocking/Locking from the Passenger Doors When the doors are locked and the remote key or digital key is within 1 m (3 ft) of the door handle, pressing the lock/unlock button on a passenger door handle will unlock all doors. Pressing the lock/unlock button will cause all doors to lock if any of the following occur

  • The lock/unlock button was used to unlock all doors.
  • Any vehicle door has been opened and all doors are now closed.

Disable/Enable Keyless Unlocking of Exterior Door Handles, Tailgate, and Hood If equipped, keyless unlocking of the exterior door handles and liftgate can be disabled and enabled. Disabling Keyless Unlocking With the vehicle off, press and hold 2023 GMC Sierra LD 1500 Keys and Smart Key 03 and 2023 GMC Yukon XL Keys and Smart Key (19 on2023 GMC Yukon XL Keys and Smart Key (19 the remote key at the same time for approximately three seconds. The turn signal lamps will flash four times quickly to indicate access is disabled. Using any exterior handle to unlock the doors, open the tailgate, or open the hood will cause the turn signal lamps to flash four times quickly, indicating access is disabled. If disabled, disarm the alarm system before starting the vehicle. Enabling Keyless Unlocking

  • With the vehicle off, press and hold2023 GMC Yukon XL Keys and Smart Key (and on the remote key at the same time for approximately three seconds. The turn signal lamps will flash twice quickly to indicate access is enabled.
  • To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start.

Passive Locking

  • The Keyless Access system will lock the vehicle several seconds after all doors are closed if the vehicle is off and at least one remote key or digital key has been removed from the interior, or none remains in the interior.
  • If other electronic devices interfere with the remote key or digital key signal, the vehicle may not detect the remote key or digital key inside the vehicle. If passive locking is enabled, the doors may lock with the remote key or digital key inside the vehicle. Do not leave the remote key or digital key in an unattended vehicle.
  • If the vehicle is locked with a remote key inside the vehicle, that remote key will be disabled from starting the vehicle and other keyless access operations. To reenable the remote key, press any button on the remote key. The remote key will also be reenabled when the vehicle is started with another known remote key, or when the vehicle is unlocked.
  • To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start.
  • If equipped with remote folding mirrors, passive locking may fold and unfold the mirrors see Folding Mirrors 0 25.

Temporary Disable of Passive Locking Temporarily disable passive locking by pressing and holding 2023 GMC Yukon XL Keys and Smart Key (19on the interior door switch with a door open for at least four seconds, or until three chimes are heard. Passive locking will then remain disabled until 2023 GMC Yukon XL Keys and Smart Key ( on the interior door is pressed, or until the vehicle is turned on. Remote Left In Vehicle Alert When the vehicle is turned off and a remote key or digital key is left in the vehicle, the horn will chirp three times after all doors are closed. To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start. Remote Removed From Vehicle Alert If the vehicle is on with a door open, and then all doors are closed, the vehicle will check for remote keys and digital keys inside. If a remote key or digital key is not detected, the Driver Information Center (DIC) will display NO KEY FOUND and the horn will chirp three times. This occurs only once each time the vehicle is driven. To view available settings from the infotainment screen, touch Settings > Vehicle > Remote Lock, Unlock, Start. Keyless Tailgate Opening Press the touchpad on the tailgate to open the tailgate when all doors are unlocked, or when the remote key or digital key is within 1m (3 ft). Keyless Hood Opening Press the touchpad in the center of the front fascia once to open the hood when all doors are unlocked, or when the remote key or digital key is within 1m (3 ft). Key Access To access a vehicle with a weak remote key battery. Programming Remote Keys to the Vehicle Only remote keys programmed to the vehicle will work. If a remote key is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be reprogrammed so that lost or stolen remote keys no longer work. Each vehicle can have up to eight remote keys programmed to it.

Starting the Vehicle with a Low Remote

Key Battery For improved vehicle security, the remote key is equipped with a motion sensor. When starting the vehicle, if the remote key has been idle for an extended period of time, the DIC may display KEY IN SLEEP MODE, MOVE KEY, THEN START. Move the remote key slightly and try starting the vehicle. If the remote key battery is weak or if there is interference with the signal, the DIC may display NO KEY FOUND, REPLACE BATTERY IN KEY or NO REMOTE KEY WAS DETECTED PLACE KEY IN KEY POCKET THEN START YOUR VEHICLE when starting the vehicle. To start the vehicle 2023 GMC Yukon XL Keys and Smart Key (5)

With Bench Seat

2023 GMC Yukon XL Keys and Smart Key (4)

Without Bench Seat

  1. Place the remote key in the rear cupholder.
  2. With the vehicle in P (Park) or N (Neutral) press the brake pedal and POWER. Replace the remote key battery and charge the digital key battery as soon as possible.

Battery Replacement

Warning Never allow children to play with the remote key. The remote key contains a small battery, which can be a choking hazard. If swallowed, internal burns can occur, resulting in severe injury or death. Seek medical attention immediately if a battery is swallowed. Warning To avoid personal injury, do not touch metal surfaces on the remote key when it has been exposed to extreme heat. These surfaces can be hot to the touch at temperatures above 59 °C (138 °F). Caution When replacing the battery, do not touch any of the circuitry on the remote key. Static from your body could damage the remote key. Caution Always replace the battery with the correct type. Replacing the battery with an incorrect type could potentially create a risk of battery explosion. Dispose of used batteries according to instructions and local laws. Do not attempt to burn, crush, or cut the used battery, and avoid exposing the battery to environments with extremely low air pressures or high temperatures. Caution If the remote key is not reassembled properly, liquids could enter the housing and damage the circuitry, resulting in a remote key malfunction and/or failure. To prevent damage, always follow the steps for remote key reassembly in this manual to ensure the remote key is sealed properly whenever the remote key is opened. Replace the battery in the remote key soon if the DIC displays REPLACE BATTERY IN REMOTE KEY. To replace the battery 2023 GMC Yukon XL Keys and Smart Key (4)

  1. Press the button on the side of the remote key near the bottom and pull the mechanical key out. Never pull the mechanical key out without pressing the button.2023 GMC Yukon XL Keys and Smart Key (8)
  2. Use the mechanical key blade in the slot to remove the battery cover by hand.2023 GMC Yukon XL Keys and Smart Key (9)
  3. Pull the seal by pulling on the tab to access the battery.
  4. Remove the old battery. Do not use a metal object.
  5. Insert the new battery, positive side facing up. Replace with a CR2450 or equivalent battery.
  6. Place the seal back into the groove around the battery compartment.
  7. Replace the battery cover by snapping it back into the remote key.
  8. Reinsert the mechanical key.

Remote Vehicle Start

If equipped with the remote start feature, the climate control system will come on when the vehicle is started remotely, depending on the outside temperature. The rear defog and heated and ventilated seats, if equipped, may also come on. See Heated and Ventilated Front Seats . To view available settings from the infotainment screen, touch Settings > Vehicle > Comfort and Convenience. If equipped, the automatic heated steering wheel may also come on. See Heated Steering Wheel Laws in some communities may restrict the use of remote starters. Check local regulations for any requirements on remote starting of vehicles. Do not use remote start if the vehicle is low on fuel. The vehicle may run out of fuel. The vehicle cannot be remotely started if: The remote key is inside the vehicle or if the key is in the ignition. The hood is not closed. There is an emission control system malfunction and the lamp is on. The ignition is in any mode other than off. The hazard warning flashers are on. The 30 minutes of engine run time have been used. The vehicle is not in P (Park). vehicle start if:

  • The coolant temperature gets too high.
  • The oil pressure gets low.
  • The remote key range may be reduced while the vehicle is running. Other conditions can affect the performance of the remote key. See Remote Key .

Starting the Engine Using Remote Start Press S twice on the remote key. The turn signal lamps will flash. The lamps flash to confirm the request to remote start the vehicle has been received. During the remote start the parking lamps will remain on as long as the engine is running. The engine will shut off after 15 minutes or after the remainder of the 30 minute total running time is used unless you stop the remote start before the engine running has completed or the vehicle is turned on. Press the brake pedal and turn the ignition on to drive the vehicle. Total Engine Run Time Remote start can be used for up to 30 minutes of total engine run time. After two remote starts of 15 minutes, or multiple shorter time starts totaling 30 minutes have been used, the vehicle must be started and then turned off before the remote start can be used again. Canceling a Remote Start To cancel a remote start, do one of the following:

  • Press. The parking lamps will turn off.
  • Turn on the hazard warning flashers. Turn the ignition on and then off.

Door Locks

Warning

  • Unlocked doors can be dangerous.
  • Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The doors can be unlocked and opened while the vehicle is moving. The chance of being thrown out of the vehicle in a crash is increased if the doors are not locked. So, all passengers should wear seat belts properly and the doors should be locked whenever the vehicle is driven.
  • Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat stroke. Always lock the vehicle whenever leaving it.
  • Outsiders can easily enter through an unlocked door when you slow down or stop the vehicle. Locking the doors can help prevent this from happening.

To lock or unlock the doors from outside the vehicle

  • Press2023 GMC Yukon XL Keys and Smart Key ( or 2023 GMC Yukon XL Keys and Smart Key (19on the remote key. See Remote Key Operation 0 7.
  • Use the mechanical key in the driver’s door.

To lock or unlock the doors from inside the vehicle

  • Press2023 GMC Yukon XL Keys and Smart Key (or2023 GMC Yukon XL Keys and Smart Key (19 on the power door lock switch.
  • Pulling an interior door handle will unlock the door. Pulling the door handle again unlatches it.

Keyless Access 2023 GMC Yukon XL Keys and Smart Key (10)The remote key must be within 1 m (3 ft) of the eTrunk™ or door being opened or locked. Press the button on the door handle to open. See “Keyless Access Operation” in Remote Key Operation 0 7. Free-Turning Locks The door key lock cylinder turns freely when either the wrong key is used, or the correct key is not fully inserted. The free-turning door lock feature prevents the lock cylinder from being forced open. To reset the lock cylinder, ensure the correct key is fully inserted into the lock cylinder. Rotate the key until you feel the lock cylinder click back into place. Remove the key and reinsert fully, rotate the key to unlock the vehicle. Power Door Locks

  • Press2023 GMC Yukon XL Keys and Smart Key ( or 2023 GMC Yukon XL Keys and Smart Key (19on the Remote Key. 2023 GMC Yukon XL Keys and Smart Key (11)2023 GMC Yukon XL Keys and Smart Key (
  • Press to lock the doors. The indicator light in the switch will illuminate when locked.2023 GMC Yukon XL Keys and Smart Key (19
  • Press to unlock the doors.

Security Status indicator 2023 GMC Yukon XL Keys and Smart Key (13) A light on the upper surface of the driver door trim is used to indicate vehicle security status. This light will be off any time the ignition is on, except momentarily when vehicle doors are locking. Solid : Indicates securing with doors closed. Fast Flash : Indicates securing with doors open. Slow Flash : Indicates battery conserving secured state. No light : Indicates unsecured state.

Delayed Locking

This feature delays the locking of the doors until five seconds after all doors are closed. When is pressed on the power door lock switch while the door is open, a chime will sound three times indicating delayed locking is active. The doors will lock automatically five seconds after all doors are closed. If a door is reopened before that time, the five-second timer will reset when all doors are closed again. Press 2023 GMC Yukon XL Keys and Smart Key ( on the door lock switch again or press 2023 GMC Yukon XL Keys and Smart Key ( on the remote key to lock the doors immediately. This feature can be programmed. To view available settings from the infotainment screen, touch Settings > Vehicle > Power Door Locks. Automatic Door Locks The doors will lock automatically when all doors are closed, the vehicle is on, and the vehicle is shifted out of P (Park). If a vehicle door is unlocked, and then opened and closed, the doors will lock either when your foot is removed from the brake or the vehicle speed becomes faster than 13 km/h (8 mph). To unlock the doors

  • Press
  • 2023 GMC Yukon XL Keys and Smart Key (19on the power door lock switch.
  • Shift the vehicle into P (Park).
  • Automatic door locking cannot be disabled.
  • Automatic door unlocking can be programmed. To view available settings from the infotainment screen, touch Settings > Vehicle > Power Door Locks.

Lockout Protection This feature protects you from locking remote keys in the vehicle. When the driver’s door is open, the lock button is pressed, and the vehicle is on, all of the doors will lock and then the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for remote keys inside. If a remote key is detected and the number of remote keys inside has not reduced, the driver door will unlock and the horn will sound three times. This can be manually overridden by pressing and holding2023 GMC Yukon XL Keys and Smart Key (on the power door lock switch. Safety Locks The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. 2023 GMC Yukon XL Keys and Smart Key (13) The safety lock is on the inside edge of the rear doors. To use the safety lock:

  1. Move the lever down to the lock position.
  2. Close the door.
  3. Do the same for the other rear door.

To open a rear door when the safety lock is on:

  1. Unlock the door by activating the inside handle, by pressing the power door unlock switch, or by using the remote key.
  2. Open the door from the outside
  3. When the safety lock is enabled, adults and older children will not be able to open the rear door from the inside. Cancel the safety locks to enable the doors to open from the  inside.

To cancel the safety lock:

  1. Unlock the door and open it from the outside.
  2. Move the lever up to unlock. Do the same for the other door.

FAQs

How many keys come with the 2023 GMC Yukon XL?

Two key fobs are typically included with the vehicle.

What is the procedure to program additional keys?

Programming additional keys may require the assistance of a GMC

dealership or a qualified locksmith who possesses the required equipment.

Can I start the vehicle remotely using the key fob?

In most cases, the key fob does indeed provide remote engine start capabilities.

What should I do if I lose my key fob?

Immediately contact your GMC dealership to arrange for a replacement key transmitter to be programmed for your vehicle.

Is there a way to deactivate a lost key fob to prevent unauthorized access?

The dealership is capable of disabling the lost key transponder,

preventing access to the vehicle.

Does the smart key feature include keyless entry and ignition?

Smart key technology does, in fact, frequently enable contactless entry and ignition.

What happens if the key fob battery dies?

A fallback method to initiate the vehicle in the event of a dead key fob battery typically comprises a physical key concealed within the fob.

Can I replace the key fob battery myself?

Indeed, key fob batteries can typically be replaced by following the manufacturer’s instructions and opening the fob with caution.

Is there a way to customize settings using the key fob?

Certain automobiles permit the user to modify specific customized configurations by utilizing the key device.

Does the key fob have a remote tailgate release feature?

Yes, the key fob of many contemporary vehicles includes a remote tailgate release function.

What is the range of the key fob for remote functions?

Although it can differ, the typical range is between 50 and 100 feet.

Can I reprogram a used key fob to work with my vehicle?*

While it is generally possible to reprogram used key fobs to function with an alternative vehicle, the process frequently necessitates specialized apparatus and expertise.

Is there a way to disable the key fob to prevent theft when not in use?

Placing the key device in a Faraday pouch or container while not in use can effectively obstruct its signal and thwart unauthorized access.

Does the smart key system work with other vehicle functions, like adjusting seat positions or climate control settings?

Whether or not smart key systems permit the modification of additional vehicle settings is dependent on the vehicle’s unique characteristics.

Are there any aftermarket accessories or upgrades available for the key fob system?

Although aftermarket alternatives may be accessible, it is critical to ascertain their compatibility and dependability with one’s vehicle prior to contemplating any enhancements or supplementary components.

Useful Link

View Full PDF: 2023 GMC Yukon XL System Guidelines| Auto User Guide 2023 GMC Yukon XL Instrument Panel Instructions