See also:

Horn
Press near or on the horn symbols on the steering wheel pad to sound the horn. ...

Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps™ and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will b ...

Door Locks
WARNING Unlocked doors can be dangerous. Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The chance of being thrown out of the vehicle in a crash ...