See also:

Automatic Operation
AUTO (Automatic): The system automatically controls fan speed, air delivery, and air conditioning in order to heat or cool the vehicle to the desired temperature. When the indicator light is ...

Recording from MP3/WMA Discs or USB
REC (Record): Press to start recording tracks from an MP3/WMA disc or a USB device (excluding iPods) while it is playing. The radio has the option to record the current track playing or all ...

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 ...