See also:

Hitches
Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. ○ The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumper-t ...

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. T ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...