OnStar Services

See also:

Radio(s)
Radio with CD, DVD, and USB Port : Press to turn the system on and off. Turn to increase or decrease the volume. BAND: Press to choose between FM, AM, or XM™, if equipped. : Select radio stat ...

Front Wiper Blade Replacement
To replace the front wiper blades: 1. Lift the wiper arm from the windshield until no further movement is possible. 2. Press the square button on the top side, at the end of the wiper arm, and p ...

Vehicle Messages
Messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be needed by the driver to correct the condition. Multiple messages may a ...