See also:

Control Buttons
The knobs and buttons used to control the radio are: (XM): Press to choose the XM band (if equipped). TUNE/TONE: Turn to search for stations. Press to enter the Tone menu. MENU/SELECT: Tur ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...

Engine Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant h ...