OnStar Services

See also:

Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessary w ...

Rear Window Wiper/Washer
The rear wiper controls are on the end of the windshield wiper lever. ON: Press the upper portion of the button for continuous rear window wipes. OFF: The rear wiper turns off when the button is r ...

Radio(s)
VOL/ : Press to turn the system on and off. Turn to increase or decrease the volume. SOURCE: Press to choose between FM, AM, XM™, if equipped, CD, or AUX. MENU/SEL: Turn to select radio station ...