See also:

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 ...

Using the Delete All Name Tags Command
The delete all name tags command deletes all stored phone book name tags and route name tags for OnStar (if present). To use the delete all name tags command: 1. Press and hold for two seconds. ...

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 situations that require heavy braking and sudden turns. ...