GM Service Manual Online
For 1990-2009 cars only

Caution: Unlocked doors can be dangerous.

   •  Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. The chance of being thrown out of the vehicle in a crash is increased if the doors are not locked. So, all passengers should wear safety belts properly and the doors should be locked whenever the vehicle is driven.
   • Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent injuries or even death from heat stroke. Always lock the vehicle whenever leaving it.
   • Outsiders can easily enter through an unlocked door when you slow down or stop your vehicle. Locking your doors can help prevent this from happening.

To lock and unlock the vehicle manually:

    • From inside the vehicle, pull up or down on the manual door lock knob located on the windowsill.
    • From the outside the vehicle, turn the key toward the front or rear of the vehicle to unlock or lock the door.