See also:

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

Wiper Blade Replacement
Windshield wiper blades should be inspected for wear and cracking. See Maintenance Schedule  for more information. Replacement blades come in different types and are removed in different ways. ...

Making a Call
To make a call: 1. Press once or twice, depending on the radio. 2. Enter the character sequence. See “Entering a Character Sequence” in Operation  for more information. 3. Select Call ...