2024 GMC Sierra Exterior and Interior Lighting Owner’s Manual
In 2024, the GMC Sierra’s exterior and internal lighting will be better than ever thanks to careful design. The Sierra’s lighting features seamlessly combine functionality and style, making it stand out on the road and creating a warm atmosphere inside.
2024 GMC SIERRA HEAVY DUTY Specs, Price, Features, Mileage and Review
2024 GMC Exterior Lighting
Exterior Lamp Controls
The exterior lamp controls are on the instrument panel to the left of the steering wheel.
: Turns off the automatic headlamps and Daytime Running Lamps (DRL). Turn the headlamp control to again to turn the automatic headlamps or DRL back on.
For vehicles first sold in Canada, off will only work when the vehicle is in P (Park).
AUTO: Automatically turns on the headlamps, parking lamps, taillamps, instrument panel lights, roof marker lamps (if equipped), front/rear side marker lamps, and license plate lamps.
: Turns on all lamps, except the headlamps and fog lamps, if equipped.
For some trim levels and trucks first sold in In Canada, the headlamps may turn on with the parking lamps.
: Turn on the headlamps, parking lamps, taillamps, instrument panel lights, roof marker lamps (if equipped), front/rear side marker lamps, and license plate lamps.
: If equipped, turn on the fog lamps.
IntelliBeam System
If equipped, this system turns the vehicle’s high-beam headlamps on and off according to surrounding traffic conditions. The system turns the high-beam headlamps on when it is dark enough and there is no other traffic present.
Turning On and Enabling IntelliBeam
To enable the IntelliBeam system, press 
on the turn signal lever when it is dark outside and the exterior lamp control is in AUTO or .
Depending on the vehicle model, the following displays when the IntelliBeam system is enabled:
- blight on the instrument cluster
- Auto High Beam Active message displays in the Driver Information Center (DIC)
Driving with IntelliBeam
The system only activates the high beams when driving over 40 km/h (25 mph).
The blue high-beam light appears on the instrument cluster when the high beams are on.
There is a sensor near the top centre of the windshield that automatically controls the system. Keep this area of the windshield clear of debris to allow for best system performance.
The high-beam headlamps remain on, under the automatic control, until one of the following situations occur
- The system detects an approaching vehicle’s headlamps.
- The system detects a preceding vehicle’s taillamps.
- The outside light is bright enough that high-beam headlamps are not required.
- The vehicle speed drops below 20 km/h (12 mph).
- The IntelliBeam system is disabled by the button on the turn signal lever. If this happens, pressthe turn signal lever when the exterior lamp control is in the AUTO or position to reactivate the IntelliBeam system. Depending on the vehicle model, the instrument cluster light will come on or the Auto High Beam Active message displays on the DIC to indicate the IntelliBeam system is reactivated.
The high beams may not turn off automatically if the system cannot detect another vehicle’s lamps because of any of the following:
- The other vehicle’s lamps are missing, damaged, obstructed from view, or otherwise undetected.
- The other vehicle’s lamps are covered with dirt, snow, and/or road spray.
- The other vehicle’s lamps cannot be detected due to dense exhaust, smoke, fog, snow, road spray, mist, or other airborne obstructions.
- The vehicle windshield is dirty, cracked, or obstructed by something that blocks the view of the light sensor.
- The vehicle is loaded such that the front end points upward, causing the light sensor to aim high and not detect headlamps and taillamps.
- Driving on winding or hilly roads.
The automatic high-beam headlamps may need to be disabled if any of the above conditions exist.
Exterior Lamps Off Reminder
A reminder chime sounds when the headlamps or parking lamps are manually turned on, the vehicle is turned off, and a door is open. To disable the chime, turn the lamps off.
Headlamp High/Low-Beam Changer
Push the turn signal lever toward the instrument panel to change the headlamps from low to high beam. Pull or push the turn signal lever to return to low-beam headlamps.
When the high-beam headlamps are on, this indicator light on the instrument cluster will also be on.
Flash-to-Pass
This feature lets you use the high-beam headlamps to signal a driver in front of you that you want to pass. It works even if the headlamps are in the automatic position.
To use it, pull the turn signal lever toward you, then release it.
If the headlamps are in the automatic position or on low beam, the high-beam headlamps will turn on. Depending on the type of headlamp, they will either turn off after a short duration or stay on as long as you hold the lever toward you. The high-beam indicator on the instrument cluster will come on. Release the lever to return to normal operation.
Daytime Running Lamps (DRL)
DRL can make it easier for others to see the front of the vehicle during the day. Fully functional DRLs are required on all vehicles first sold in Canada.
The DRL system comes on when the following conditions are met:
- The vehicle is on.
- The exterior lamp control is in AUTO.
- The transmission is not in P (Park).
- The light sensor determines it is daytime. When the DRL system is on, only the DRL are on. The taillamps, side marker lamps, instrument panel lights, and other lamps will not turn on.
When it begins to get dark, the automatic headlamp system switches from DRL to the headlamps.
To turn off the DRL, turn the exterior lamp control to and then release it. For vehicles first sold in Canada, turning off the DRL will only work when the vehicle is parked.
Automatic Headlamp System
When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically
There is a light sensor on top of the instrument panel. Do not cover the sensor, otherwise, the headlamps will come on when they are not needed.
The system may also turn on the headlamps when driving through a parking garage or tunnel.
If the vehicle is started in a dark garage, the automatic headlamp system comes on immediately. If it is light outside when the vehicle leaves the garage, there is a slight delay before the automatic headlamp system changes to the Daytime Running Lamps (DRL). During that delay, the instrument cluster may not be as bright as usual. Make sure the instrument panel illumination control is in the full bright position. See Instrument Panel Illumination Control.
When it is bright enough outside, the headlamps will turn off or may change to DRL.
The automatic headlamp system turns off when the exterior lamp control is turned to or the ignition is off.
Lights On with Wipers
If the windshield wipers are activated in daylight with the engine on, and the exterior lamp control is in AUTO, the headlamps, parking lamps, and other exterior lamps come on. The transition time for the lamps coming on varies based on the wiper speed. When the wipers are not operating, these lamps turn off. Move the exterior lamp control to
to disable this feature.
Hazard Warning Flashers
: Press this button to make the front and rear turn signal lamps flash on and off. Press again to turn the flashers off. When the hazard warning flashers are on, the vehicle’s turn signals will not work.
Turn and change signals
An arrow on the instrument cluster flashes in the direction of the turn or lane change. Move the turn signal lever up or down to signal a turn.
Partially raise or lower the lever for less than one second until the arrow starts to flash to signal a lane change. This causes the turn signals to automatically flash three times. It will flash six times if the Tow/Haul mode is active. Holding the turn signal lever for more than one second will cause the turn signals to flash until the lever is released.
The lever returns to its starting position whenever it is released.
If after signaling a turn or a lane change the arrows flash rapidly or do not come on, a signal bulb could be burned out. If equipped with LED turn signals, see your dealer.
Replace any burned-out bulbs. If a bulb is not burned out, check the fuse. See Fuses and Circuit Breakers.
Turn the Signal On the Chime
If the turn signal is left on for more than 1.2 km (0.75 mi), a chime sounds at each flash of the turn signal. A message may appear in the Driver Information Center (DIC). See Vehicle Messages. To turn the chime and message off, move the turn signal lever to the off position.
Fog Lamps
If equipped, the fog lamp control is near the exterior lamp control to the left of the steering column.
The vehicle must be on for the fog lamps to come on.
: Press to turn the fog lamps on or off.
A light will come on in the instrument cluster.
When the fog lamps are turned on, the parking lamps automatically turn on. When the headlamps are changed to a high beam, the fog lamps also go off. When the high-beam headlamps are turned off, the fog lamps will come on again. Some localities have laws that require the headlamps to be on with the fog lamps.
Task Lighting
If equipped, task lighting projects light from the outside mirrors away from the vehicle.
While the vehicle is parked, press 
to select one of the following options:
- Left and Right Task Lights Illuminated
- Left Task Light Illuminated
- Right Task Light Illuminated
- Left and Right Task Lights Off
If the vehicle leaves a parked position, the lights will immediately turn off. If the vehicle is off, the lights will stay on for approximately 10 minutes. If any Task lights are on if the button has not been pressed after approximately 5 seconds, pressing it again will turn off all Task Lights.
Auxiliary Roof-Mounted Lamp
If equipped, this button includes wiring provisions for a dealer or a qualified service centre to install an auxiliary roof lamp.
For information on roof-mounted emergency lamp installation, see www.gmupfitter.com or contact your dealer.
If the vehicle has this button, the vehicle may have the snow plough prep package.
Exterior Cargo Lamps
The cargo lamps provide more light in the cargo area or on the sides of the vehicle if needed. The lamps inside the pickup box, in the tailgate handle, and/or for the hitch, if equipped. Depending on the vehicle trim, your vehicle is equipped with a two-state or a four-state switch for the exterior cargo lamps.
Two-State Switch
Press the exterior cargo lamp button to turn the exterior cargo lamps on or off: The shift lever must be in P (Park), R (Reverse), or N (Neutral) to operate the exterior cargo lamps. Activating the exterior cargo lamps may also activate the cargo switch indicator if equipped. Become familiar with and follow all state and local laws that apply to cargo lamp operation.
Four-State Switch
If the vehicle is in P (Park), R (Reverse), or N (Neutral) the cargo lamp switch causes the lights to cycle through the following states for each button press:
Initial Press:
- Center High-Mounted Stoplamp (CHMSL)/ Cargo Bed Lights – On
- Cargo Mirror Lights On
- Cargo Switch Indicator (if equipped) On
Next Press (if within five seconds of the previous button press):
- CHMSL/Cargo Bed Lights On
- Cargo Mirror Lights Off
- Cargo Switch Indicator (if equipped) On
Next Press (if within five seconds of the previous button press):
- CHMSL/Cargo Bed Lights Off
- Cargo Mirror Lights On
- Cargo Switch Indicator (if equipped) On
Next Press:
- CHMSL/Cargo Bed Lights Off
- Cargo Mirror Lights Off
- Cargo Switch Indicator (if equipped) Off
Become familiar with and follow all state and local laws that apply to cargo lamp operation.
2024 GMC Interior Lighting
Instrument Panel Illumination Control
This feature adjusts the brightness of all illuminated controls. The instrument panel illumination control is next to the exterior lamp control.
: Press + to brighten or − to dim the lights.
This feature is functional at night, or when the headlamps or parking lamps are on.
Dome Lamps
The dome lamp controls are in the overhead console.
To operate, press the following buttons:
OFF: Press to turn off the dome lamps when a door is open. An indicator light on the button will turn on when the dome lamp override is activated. Press OFF again to deactivate this feature and the indicator light will turn off. The dome lamps will come on when the doors are opened.
+ON/OFF: Press to turn the dome lamps on manually. Press again to turn the dome lamps off.
Reading Lamps
There are reading lamps on the overhead console and over the rear seats. These lamps come on when any door is opened, 
on the remote key is pressed, or when the vehicle is turned off.
Front Reading Lamps
The front reading lamps are in the overhead console.
Press the lamp lenses to turn the front reading lamps on or off.
Rear Reading Lamps
The rear reading lamps are over the rear seats.
Press the lamp lens to turn the rear reading lamps on or off.
Lighting Features User Manual
Entry Lighting
The interior lamps turn on when pressing
the remote key or opening any doors, and the dome lamp control is in the door position. Some exterior lamps also turn on when pressing on the remote key or opening any doors. Low-beam lamps will only turn on briefly at night, or in areas with limited lighting. All lamps will eventually turn off after some time. Entry lighting can be disabled manually by closing all doors, pressing the remote key, or starting the vehicle.
This feature can be changed. On the infotainment home screen, select Settings > Vehicle > Lighting.
Exit Lighting
Some exterior lamps and interior lamps turn on when the driver door is opened after the vehicle is turned off. The exterior and interior lamps remain on for a set amount of time, and then automatically turn off. The interior lights turn on when the vehicle is turned off. The exterior lamps turn off immediately by turning the exterior lamp control off. This feature can be changed. On the infotainment home screen, select Settings > Vehicle > Lighting.
Battery Load Management
The vehicle has Electric Power Management (EPM), which estimates the battery’s temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery.
When the battery’s state of charge is low, the voltage is raised slightly to quickly bring the charge back up. When the state of charge is high, the voltage is lowered slightly to prevent overcharging. The voltmeter gauge or the voltage display on the Driver Information Center (DIC), if equipped, may show the voltage moving up or down. This is normal. If there is a problem, an alert will be displayed.
The battery can be discharged at idle if the electrical loads are very high. This is true for all vehicles. This is because the generator (alternator) may not be spinning fast enough at idle to produce all the power that is needed for very high electrical loads.
A high electrical load occurs when several of the following are, such as headlamps, high beams, fog lamps, rear window defogger, climate control fan at high speed, heated seats, engine cooling fans, trailer
loads, and loads plugged into accessory power outlets.
EPM works to prevent excessive discharge of the battery. It does this by balancing the generator’s output and the vehicle’s electrical needs. It can increase engine idle speed to generate more power, whenever needed. It can temporarily reduce the power demands of some accessories.
Normally, these actions occur in steps or levels, without being noticeable. In rare cases at the highest levels of corrective action, this action may be noticeable to the driver. If so, a DIC message might be displayed and it is recommended that the driver reduces the electrical loads as much as possible.
Battery Power Protection
This feature helps prevent the battery from being drained if the interior courtesy lamps or reading lamps are accidentally left on. If any of these lamps are left on, they automatically turn off after 10 minutes if the ignition is off. The cargo lamp shuts off after 20 minutes if the ignition is off.
The lamps will not come back on again until one of the following occurs
- The ignition is turned on.
- The doors are closed and then re-opened.
Exterior Lighting Battery Saver
The exterior lamps turn off about 10 minutes after the vehicle is turned off if the parking lamps or headlamps have been manually left on. This protects against draining the battery. To restart the 10-minute timer, turn the exterior lamp control to the
position and then back to the position.
To keep the lamps on for more than 10 minutes, the vehicle must be on or in accessory mode.
FAQs
The 2024 GMC Sierra has many kinds of exterior lighting options, such as LED headlights, fog lights, and signature C shaped LED daytime running lights.
The 2024 GMC Sierra’s LED headlights give off better light, making it easier to see and safer to drive at night.
Yes, the 2024 GMC Sierra has ambient lighting choices that can be changed so that drivers can make the outside of their car look the way they want it to.
The exterior lighting of the 2024 GMC Sierra uses advanced LED technology, which is more energy-efficient, lasts longer, and is brighter than standard halogen lights.
Yes, the 2024 GMC Sierra has exterior lighting settings that can be changed so that drivers can make the lights brighter or dimmer depending on their needs and tastes.
The 2024 GMC Sierra’s outer lighting, especially its unique C-shaped LED daytime running lights, gives the car a bold and modern look.
Yes, the 2024 GMC Sierra has high-tech safety features like automatic high beams and adaptive headlights that make it easier to see and lower the risk of crashes.
The 2024 GMC Sierra has a variety of interior lighting options, such as ambient lighting, lighted door sill plates, and LED overhead lighting.
The ambient lighting inside the 2024 GMC Sierra makes the cabin feel warm and inviting, which improves the drive experience overall.
There is a way for drivers to change the mood and tastes of the people inside their 2024 GMC Sierra by changing the colour of the interior lighting.
Yes, the 2024 GMC Sierra’s internal lighting makes it easier to see inside at night, which makes it easier to find things and use the controls.
The lighting inside the 2024 GMC Sierra makes the cabin feel warm and welcoming, which makes passengers more comfortable on long trips or daily commutes.
Yes, the 2024 GMC Sierra’s internal lighting system might have high-tech features like proximity sensors that turn on lights automatically when people get in or out of the car.
Inside the 2024 GMC Sierra, the internal lighting is meant to match the car’s modern and classy interior, making it look better and work better.
Inside the 2024 GMC Sierra, the lighting is put to highlight important areas, making it easier for the driver to see and making the ride more comfortable overall.
Useful Link
View Full PDF: 2024 GMC Sierra User Manual| Auto User Guide
2024 GMC SIERRA HEAVY DUTY Specs, Price, Features, Mileage and Review