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 ...

When the System Does Not Seem To Work Properly
The RVC system might not work properly or display a clear image if: • The RVC is turned off. See “Turning the RVC System On or Off” earlier in this section. • It is dark. • The sun or the ...

Audio/Video (A/V) Jacks
If available, the A/V jacks are located on the rear of the floor console. They allow audio or video cables to be connected from an auxiliary device such as a camcorder or a video game system. The ...