GM Service Manual Online
For 1990-2009 cars only

Object Number: 808241  Size: A1

This light comes on briefly while starting the vehicle.

If it does not, have the vehicle serviced by the dealer/retailer. 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.


Object Number: 808241  Size: A1

This light indicates that the engine coolant has overheated or the radiator cooling fan is not working.

This light comes on briefly when the engine is started. If it does not, have the vehicle serviced by the dealer/retailer. If the system is working normally the indicator light goes off.

If the light comes on and the vehicle has been operating under normal driving conditions, pull off the road, stop the vehicle, and turn off the engine as soon as possible.

See Cooling System for more information.