OnStar Services

See also:

DIC Vehicle Customization
Your vehicle may have customization capabilities that allow you to program some features to one setting based on your preference. All of the customizable options listed may not be available on you ...

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

Power Door Locks
On vehicles with power door locks, the switches are located on the front doors. (Unlock): Press to unlock the doors. (Lock): Remove the key from the ignition and press to lock the doors. ...