See also:

Hitches
Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. • The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumpe ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

Power Door Locks
: Press to unlock the doors. : Press to lock the doors. ...