See also:

If No Steam is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: ○ Climbs a ...

To Use The Engine Coolant Heater
1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The electrical cord is located on the passenger side of the engine compartment, in front of the air cleaner. 3. Plug it in ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ava ...