See also:

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 ...

Trailer-Tow Mirrors
If the vehicle has towing mirrors, they can be adjusted for a clearer view of the objects behind you. Manually pull out the mirror head to extend it for better visibility when towing a trailer. Th ...

DVD-V (Video) Display Buttons
Once a DVD-V is inserted, the radio display menu shows several icons. Press the softkeys under any icon during DVD playback. See the icon list below for more information. A rear seat passenger can n ...