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 v ...

Keyless Access Operation
Some vehicles have the keyless access system that lets you lock and unlock the doors and access the liftgate without removing the remote transmitter from your pocket, purse, briefcase, etc. The keyl ...

Rear Vision Camera (RVC)
If available, the RVC displays a view of the area behind the vehicle on the navigation screen when the vehicle is shifted into R (Reverse). Once shifted out of R (Reverse), the navigation screen w ...