Customer Assistance Information

See also:

Jump Starting
For more information about the vehicle battery, see Battery . If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following step ...

Warning Lights, Gauges, and Indicators
Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges c ...

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 ...