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 ...

Overview (Radio with CD/DVD and MEM)
A. VOL/ • Turns the system on or off and adjusts the volume. B. FAV • Radio: Opens the favorites list. • MEM: Opens the favorites list. C. Buttons 1 to 6 • Radio: Saves and sele ...

Radio Messages
CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR displays, it means that the radio has not been configured properly for the vehicle a ...