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 bumpe ...

Radio (s)
Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND: Press to choose between FM, AM, or XM™, if equipped. Turn to select radio stations. Press to seek the p ...

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 ...