2010 Chevrolet Avalanche Owner's Manual - Page 124

Doors and Locks Door Locks WARNING: (Continued) . { WARNING: 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. (Continued) 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. . There are several ways to lock and unlock the doors. To lock or unlock the door from the outside, use the remote keyless entry (RKE) transmitter or the key. To lock or unlock the door from the inside, slide the manual lever up or down, or use the power door locks switch. 3-10