Engine Coolant Temperature Warning Light

For eAssist vehicles, this light

For eAssist vehicles, this light comes on briefly while starting the vehicle.

If it does not, have the vehicle serviced by the dealer. If the system is working normally, the indicator light goes off.

Notice:
Driving with the engine coolant temperature warning light on could cause the vehicle to overheat. See Engine Overheating. The vehicle's engine could be damaged, and it might not be covered by the vehicle warranty. Never drive with the engine coolant temperature warning light on.

The engine coolant temperature warning light comes on when the engine has overheated.

If this happens pull over and turn off the engine as soon as possible. See Engine Overheating for more information.

    See also:

    Vehicle Data Recording and Privacy
    This GM vehicle has a number of sophisticated computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and c ...

    Radio Reception
    Frequency interference and static can occur during normal radio reception if items such as cellular phone chargers, vehicle convenience accessories, and external electronic devices are plu ...

    Initial Drive Information
    This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which c ...