See also:

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: - The indicators at three ...

Map Coordinates
The coordinates destination entry method lets you select a destination by entering latitude and longitude coordinates. Map Coordinates: Press to access the Coordinates Entry screen. To use the c ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...