See also:

How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...

ENGINE OIL HOT, IDLE ENGINE
This message displays when the engine oil temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...

Driving with a Trailer
Towing a trailer requires a certain amount of experience. Get to know the rig before setting out for the open road. Get acquainted with the feel of handling and braking with the added weight of t ...