See also:

Rear Seat Pass-Through Door
Some vehicles have a rear seat pass-through door in the center of the rear seatback. Fold down the center armrest and push down on the latch to open the door. ...

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 ...

Driving Characteristics and Towing Tips
WARNING The driver can lose control when pulling a trailer if the correct equipment is not used or the vehicle is not driven properly. For example, if the trailer is too heavy, the brakes may not ...