See also:

Engine Coolant Temperature Gauge
Metric English This gauge shows the engine coolant temperature. If the gauge pointer moves toward the shaded area, the engine is too hot. In eAssist vehicles, the engine coolant warnin ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

How to Reset the Engine Oil LifeSystem
The Engine Oil Life System calculates when to change your engine oil and filter based on vehicle use. Anytime your oil is changed, reset the system so it can calculate when the next oil change is ...