See also:

Tire Sidewall Labeling
Useful information about a tire is molded into the sidewall. The example shows a typical passenger vehicle tire sidewall. Passenger (P-Metric) Tire (A) Tire Size: The tire size code is a combina ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...

Adding or Changing Preset Destinations
This feature allows additions or changes one of five preset destinations. When a destination has been added as a preset destination, it is available to select from the Destination Entry screen. Se ...