See also:

Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio. This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on. Th ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehic ...

Doing Your Own Service Work
If the vehicle is a hybrid, see the hybrid supplement for more information. WARNING You can be injured and the vehicle could be damaged if you try to do service work on a vehicle without knowing eno ...