See also:

Power Assist Steps
The vehicle may have power assist steps. To enable or disable the power assist steps push . The power assist steps automatically extend from beneath the vehicle on the side in which the door ha ...

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 ...

Using Voice Commands During a Planned Route
Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?” 2. Say “Yes.” System re ...