Dashboard Indicators: 2018 Hyundai Ioniq EV Warning Lights Guide

Dashboard Indicators: 2018 Hyundai Ioniq EV Warning Lights Guide

Driving with confidence and safety is very important, and the 2018 Hyundai Ioniq EV’s dashboard indicators are a big part of making sure drivers stay aware and take charge of their trips. Each symbol is an important way for the car and its driver to talk to each other. For example, warning lights flash to let drivers know about possible problems, and indicators show important information about the car’s performance and state. These warning lights let you know about a lot of different situations, like low battery power, problems with the charging system, uneven tire pressure, and more. Knowing how to read these indicators can give drivers the power to move quickly, whether they need to fix a problem with maintenance or change how they drive to save gas. With the 2018 Hyundai Ioniq EV’s wide range of dashboard indicators, drivers can easily navigate the road ahead, knowing they have the tools they need to keep their trips safe and enjoyable.

2023 Hyundai IONIQ 6 Specs, Price, Features, Milage (Brochure)

Warning and Indicator lights

Information
Make sure that all warning lights are OFF after starting the vehicle. If any light is still ON, this indicates a situation that needs attention.

Ready Indicator

This indicator illuminates 
When the vehicle is ready to be driven.

• ON : Normal driving is possible.
• OFF: Normal driving is not possible, or a problem has occurred.
• Blinking: Emergency driving.

When the ready indicator goes OFF or blinks, there is a problem with the system. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

 

Service Warning Light

This warning light illuminates 

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a problem with related parts of the electric vehicle control system, such as sensors, etc.

When the warning light illuminates while driving, or does not go OFF after starting the vehicle, have your vehicle inspected by an authorized HYUNDAI dealer.

Power Down Warning Light

This warning light illuminates :
When the power is limited for the safety of the electric vehicle.
The power is limited for the following reasons.

• The high voltage battery level is below a certain level or voltage is decreasing
• The temperature of the motor or high voltage battery is too high or too low
• There is a problem with the cooling system, or a failure that may interrupt normal driving

NOTICE
Do not accelerate or start the vehicle suddenly when the power down warning light is ON.
Charge the battery immediately when the high voltage battery level is not enough.

Charging Indicator Light

This warning light illuminates :

• [Red] When charging the high voltage battery.

High Voltage Battery Low-Level Warning Light

This warning light illuminates :
When the high-voltage battery level is low.
When the warning light turns ON, charge the battery immediately.

Supplemental Restraint System Warning Light

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 6 seconds and then goes off.
• When there is a malfunction with the SRS.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Seat Belt Warning Light

This warning light informs the driver that the seat belt is not fastened.
For more information, refer to the “Seat Belts” in Chapter 2.

Regenerative Brake Warning Light

This warning light illuminates :
When the regenerative brake does not operate and the brake does not perform well. This causes the Brake Warning light (red) and Regenerative Brake Warning Light (yellow) to illu-minate simultaneously.
In this case, drive safely and have your vehicle inspected by an authorised HYUNDAI dealer.
The operation of the brake pedal may be more difficult than normal and the braking distance can increase.

Parking Brake & Brake Fluid Warning Light

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds.
  • It remains on if the parking brake is applied.
• When the parking brake is applied.
• When the brake fluid level in the reservoir is low.
  • If the warning light illuminates with the parking brake released, it indicates the brake fluid level in the reservoir is low.

If the brake fluid level in the reservoir is low:

1. Drive carefully to the nearest safe location and stop your vehicle.
2. With the vehicle turned off, check the brake fluid level immediately and add fluid as required (For more information, refer to “Brake Fluid” in Chapter 7). After adding brake fluid, check all brake components for fluid leaks. If a brake fluid leak is found, or if the warning light remains on, or if the brakes do not operate properly, do not drive the vehicle. Have the vehicle inspected by an authorized HYUNDAI dealer.

Dual-diagonal braking system
Your vehicle is equipped with dual-diagonal braking systems. This means you still have braking on two wheels even if one of the dual systems should fail.
With only one of the dual systems working, more than normal pedal travel and greater pedal pressure is required to stop the vehicle.

Also, the vehicle will not stop in as short a distance with only a portion of the brake system working.

WARNING
Parking Brake & Brake Fluid Warning Light
Driving the vehicle with a warning light ON is dangerous. If the Parking Brake & Brake Fluid Warning Light illuminates with the parking brake released, it indicates that the brake fluid level is low.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Anti-lock Brake System (ABS) Warning Light

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the ABS (The normal braking system will still be operational without the assistance of the anti-lock brake system).

In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Electronic Brake Force Distribution (EBD) System Warning Light

These two warning lights illuminate at the same time while driving:
When the ABS and regular brake sys-tem may not work normally.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

WARNING
Electronic Brake Force Distribution (EBD) System Warning Light
When both ABS and Parking Brake & Brake Fluid Warning Lights are on, the brake system will not work normally and you may experience an unexpected and dangerous situation during sudden braking.
In this case, avoid high-speed driving and abrupt braking.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Information – Electronic Brake Force Distribution (EBD) System Warning Light
When the ABS Warning Light is on or both ABS and Parking Brake & Brake Fluid Warning Lights are on, the speedometer, odometer, or tripmeter may not work. Also, the EPS Warning Light may illuminate and the steering effort may increase or decrease.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Electric Power Steering (EPS) Warning Light

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the EPS.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Charging System Warning Light (for 12-volt battery)

This warning light illuminates:

• When the 12-volt battery level is low or a failure occurs on the charging system such as LDC.
• If the warning light turns on while driving, move the vehicle to a safe location, turn off and turn on the vehicle again, and check if the warning light turns off. If the warning light remains on, have the vehicle inspected by an authorized HYUNDAI dealer.
• Even if the warning light turns off, have the vehicle inspected by an authorized HYUNDAI dealer.
  If you drive the vehicle while the warning light is on, vehicle speed may be limited and the 12-volt battery may be discharged.

LDC : Low voltage DC-DC Converter.

Low Tire Pressure Warning Light

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When one or more of your tires are significantly underinflated (The location of each underinflated tire is displayed on the LCD display).

For more information, refer to “Tire Pressure Monitoring System (TPMS)” in chapter 6.

This warning light remains ON after blinking for approximately 60 seconds, or repeatedly blinks ON and OFF in 3-second intervals:
When there is a malfunction with the TPMS.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
For more information, refer to “Tire Pressure Monitoring System (TPMS)” in Chapter 6.

WARNING
Safe Stopping

• The TPMS cannot alert you to severe and sudden tire damage caused by external factors.
• If you notice any vehicle instability, immediately take your foot off the accelerator pedal, apply the brakes gradually with light force, and slowly move to a safe position off the road.

Electronic Parking Brake (EPB) Warning Light

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the EPB.
  In this case, have the vehicle inspected by an authorized HYUNDAI dealer.

Information
The Electronic Parking Brake (EPB) Warning Light may illuminate when the Electronic Stability control (ESC) Indicator Light comes on to indicate that the ESC is not working properly (This does not indicate malfunction of the EPB).

AUTO HOLD Indicator Light

This indicator light illuminates:

• White] When you activate the auto hold system by pressing the AUTO HOLD switch.
• [Green] When you stop the vehicle completely by depressing the brake pedal with the auto hold system activated.
• [Yellow] When there is a malfunction with the auto hold system.
  In this case, have the vehicle inspected by an authorized HYUNDAI dealer.

For more information, refer to “Auto Hold” in chapter 5.

Autonomous Emergency Braking (AEB) Warning Light
This warning light illuminates :

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off. 
• When the AEB system is turned off.
• When the radar sensor or cover is blocked with dirt or snow. Check the sensor and cover and clean them by using a soft cloth.
• When there is a malfunction with AEB. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Lane Keeping Assist  System (LKAS) Indicator Light
This indicator light illuminates:

• [Green] When you activate the lane departure warning system by pressing the LKAS button and all of the system operating conditions are satisfied.
•  [White] When system operating conditions are not satisfied or when the sensor does not detect the lane line.
•  [Yellow] When there is a malfunction with the lane-keeping assist system.

In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
For more information, refer to “Lane Keeping Assist System (LKAS)” in chapter 5.

LED Headlamp Warning Light 

This warning light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the LED headlamp.

In this case, have the vehicle inspected by an an authorized HYUNDAI dealer.
This warning light blinks:
When there is a malfunction with an LED headlamp-related part.
In this case, have the vehicle inspected by an an authorized HYUNDAI dealer.

NOTICE
Continuous driving with the LED Headlamp Warning Light on or blinking can reduce LED head-lamp life.

Adaptive Front Lighting System (AFLS) Warning Light 

This warning light blinks:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the AFLS.

If there is a malfunction with the AFLS:

1. Drive carefully to the nearest safe location and stop your vehicle.
2. Turn the vehicle off and restart the vehicle ( indicator ON). If the warning light remains on, have your vehicle inspected by an authorized HYUNDAI dealer.

Master Warning Light

This indicator light illuminates:
When there is a malfunction in operation in any of the following systems:

• Autonomous Emergency Braking (AEB) malfunction 
• Advanced Smart Cruise Control malfunction 
• Blind Spot Detection (BSD) mal-function 
• Tire Pressure Monitoring System (TPMS) malfunction
• Service reminder

To identify the details of the warning, look at the LCD display.

Electronic Stability Control (ESC) Indicator Light

This indicator light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the ESC system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

This indicator light blinks:
While the ESC is operating.
For more information, refer to “Electronic Stability Control (ESC)” in chapter 5.

Electronic Stability Control (ESC) OFF Indicator Light

This indicator light illuminates:

• When the POWER button is in the ON position.
  • It illuminates for approximately 3 seconds and then goes off.
• When you deactivate the ESC system by pressing the ESC OFF button.

For more information, refer to “Electronic Stability Control (ESC)” in chapter 5.

Immobilizer Indicator Light

This indicator light illuminates for up to 30 seconds:
When the vehicle detects the smart key in the vehicle with the POWER button in the ACC or ON position.

• At this time, you can start the vehicle ( indicator ON).
• The indicator light goes off after starting the vehicle (indicator ON).

This indicator light blinks for a few seconds:
When the smart key is not in the vehicle.

• At this time, you cannot start the vehicle.

This indicator light illuminates for 2 seconds and goes off:
If the smart key is in the vehicle and the POWER button is ON, but the vehicle cannot detect the smart key.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

This indicator light blinks:

• When the battery voltage of the smart key is low.
  • At this time, you can not start the vehicle. However, you can start the(indicator ON) if you press the POWER button with the smart key.(For more information, refer to “Starting the vehicle” in chapter 5).
• When there is a malfunction with the immobilizer system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

Turn Signal Indicator Light

This indicator light blinks:
When you operate the turn signal indicator.
If any of the following occurs, there may be a malfunction with the turn signal system.

• The turn signal indicator light illuminates but does not blink
• The turn signal indicator light blinks rapidly
• The turn signal indicator light does not illuminate at all

If either of these conditions occur, have your vehicle inspected by an authorized HYUNDAI dealer.

High Beam Indicator Light

This indicator light illuminates:

• When the headlights are on and in the high beam position.
• When the turn signal lever is pulled into the Flash-to-Pass position.

Light ON Indicator Light

This indicator light illuminates:
When the tail lights or headlights are on.

Cruise Indicator Light
This indicator light illuminates:
When the cruise control system is enabled.
For more information, refer to “Cruise Control System” in Chapter 5.

Cruise SET Indicator Light 

This indicator light illuminates:
When the cruise control speed is set.
For more information, refer to “Cruise Control System” in Chapter 5.

SPORT Mode Indicator Light

This indicator light illuminates:
When you select “SPORT” mode as drive mode.
For more information, refer to “Drive Mode Integrated Control System” in chapter 5.

ECO Mode Indicator Light
This indicator light illuminates :
When you select “ECO” mode as drive mode.
For more information, refer to “Drive Mode Integrated Control System” in this chapter.

FAQs

Useful links

View Full PDF: 2018 Hyundai Ioniq EV Owner’s Manual| Auto User Guide

2023 Hyundai IONIQ 6 Specs, Price, Features, Milage (Brochure)

Cluster Guide: 2018 Hyundai Ioniq EV Dashboard Instructions