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Fuel cell electric vehicle cluster display messages

Check fuel cell coolant and ion filter

This warning message is displayed when the fuel cell coolant and filter need to be checked.

If this occurs, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Check drive motor cooling system./Check electric motor cooling system

This warning message is displayed when the electronic device's coolant level in the tanks is low.

If this occurs, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Stop vehicle and check power supply/Stop safely and check power supply

This warning message appears when a failure occurs in the power supply system.

Immediately stop the vehicle in a safe place. We recommend that you tow the vehicle to an authorized HYUNDAI dealer for inspection and maintenance.

Close fuel door and restart vehicle/Close fuel lid and restart the vehicle

This warning message is displayed when you turn on the vehicle with the fuel filler lid open.

Close the fuel filler lid and turn on the vehicle again.

Hydrogen tank overfilled due to hydrogen station error/Hydrogen station error! Hydrogen tank overfilled

This warning message is displayed when the hydrogen tanks is overrefueled with the hydrogen due to a problem of the fueling station.

Turn off the vehicle and then turn on the vehicle. If the message is displayed again we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Small hydrogen leak detected/Small hydrogen leak detected. Check hydrogen system

This warning message is displayed when small hydrogen leakage is detected in the vehicle.

Immediately stop the vehicle in a safe place. We recommend that you tow the vehicle to an authorized HYUNDAI dealer for inspection and maintenance when this warning message is displayed and the hydrogen gas leak warning light (red) illuminates.

Power limited due to high coolant temperature/High coolant temperature. Power limited

This warning message is displayed when the coolant temperature is outside the normal range.

  • Do not open the stack coolant reservoir cap. Otherwise hot coolant and steam may blow out under pressure causing serious injury.

    Wait until the fuel cell power module is cool.

  • Do not continue driving with an overheated fuel cell stack. We recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Power limited due to low hydrogen tank temperature/Low hydrogen tank temperature. Power limited

This warning message is displayed to protect the battery and fuel cell system when the temperature of the hydrogen tanks is low.

If this message is still displayed after the ambient temperature has increased enough, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Hydrogen tank temperature out of range! Stop safely immediately

This warning message is displayed to protect the hydrogen tank system when the temperature of the hydrogen tank is too high or too low.

Turn off the vehicle and stop to let the temperature of the hydrogen tank go down.

If this message is still displayed after the vehicle is turned off and stopped for a sufficient time, immediately stop the vehicle in a safe place. We recommend that you tow the vehicle to an authorized HYUNDAI dealer for inspection and maintenance.

Hydrogen leak detected. Stop safely immediately.

This warning message is displayed and the hydrogen gas leak warning light (red) illuminates when the hydrogen leakage is detected in the vehicle.

Immediately stop the vehicle in a safe place. We recommend that you tow the vehicle to an authorized HYUNDAI dealer for inspection and maintenance.

Small hydrogen leak possible/Small hydrogen leak possible. Check hydrogen system

  • If the vehicle has to be stopped due to the leakage, hydrogen gas leak warning light (red) will illuminate and 'Hydrogen leak detected. Stop safely immediately.' message is displayed.

This warning message is displayed when the minor hydrogen leakage is detected in the vehicle. If this occurs, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Check hydrogen leak sensor

This warning message is displayed and the light showing the malfunction of the hydrogen leakage detection sensor illuminates when there is a malfunction with the hydrogen leakage detection sensor.

If this occurs, we recommend you that have your vehicle immediately inspected by an authorized HYUNDAI dealer.

Refueling.../Refuelling...

This warning message is displayed while refueling the vehicle.

Do not turn on the vehicle and wait until the refueling is complete.

Check fuel door sensor/Check fuel lid sensor

This warning message is displayed when there is a malfunction with the sensor located below the fueling inlet which is used for communicating with the fueling station. Check and remove if there is any foreign substance around the fueling inlet.

If this message is still displayed after the foreign substance is removed, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Open fuel door after turning vehicle Off/Open fuel lid after turning vehicle Off

This warning message is displayed when you try to open the fuel filler lid while the Start/Stop button is in the DRIVE READY position.

Turn of the vehicle and open the fuel filler lid. If the message is still displayed after a while, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Replace hydrogen tank. Maximum number of refill cycles exceeded.

This warning message is displayed when the number of times refueling the vehicle exceeds the predefined number (10,995 times).

If this occurs, we recommend that you have the hydrogen storage system replaced by an authorized HYUNDAI dealer.

Power limited due to fuel cell system error/Fuel cell system error. Power limited

This warning message is displayed when there is a malfunction with the fuel cell system and the power supply to the fuel cell system is limited.

While driving the vehicle, this indicates that the fuel cell system may have failure. If this occurs, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Check fuel cell system! Stop safely immediately

This warning message is displayed when any serious malfunction of the fuel cell system is detected.

If this occurs, immediately park the vehicle at a safe area and turn off the vehicle. Then turn the vehicle on again.

If the message is displayed again, we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Unable to start vehicle! Check high voltage system

This warning message is displayed when there is a malfunction with the high voltage system.

The vehicle will not turn on and we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Unable to start vehicle. Hydrogen too low./Unable to start vehicle. Hydrogen level too low

This warning message is displayed when the fuel is empty and the vehicle is not turned on.

The vehicle will not turn on and we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Check FCEV System! Stop and turn vehicle Off/Check FCEV system. Stop safely and turn vehicle Off

This warning message is displayed when there is a temporary malfunction with the FCEV system.

Immediately stop the vehicle in a safe place. Then turn on the vehicle after a while.

If the message is displayed again we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

12 V battery voltage low. Stop safely.

This warning message is displayed when the voltage of the auxiliary battery is low.

Immediately stop the vehicle in a safe place. Then turn on the vehicle after a while.

If the message is displayed again we recommend that you have your vehicle inspected by an authorized HYUNDAI dealer.

Wait until fuel door opens/Wait until fuel lid opens

The fuel door opens after the fuel cell system has been completely shut down.