See also:

Canceling Guidance
Guidance is canceled once the final destination is reached. To cancel guidance prior to arrival at the final destination: 1. Press DEST. 2. Press Cancel Guidance. 3. Press OK to confirm. Guidanc ...

Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer. This can help to avoid heavy braking and sudden turns. ...

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 ...