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:

    Running the Vehicle While Parked
    It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING: Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine ...

    Customer Assistance Offices (U.S. and Canada)
    Buick encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Buick, the letter should be addressed to: United States Buick Customer ...

    CD Messages
    If the CD comes out, it could be for one of the following reasons: • It is very hot. When the temperature returns to normal, the CD should play. • You are driving on a very rough road. Wh ...