2010 Hummer H3 Owner's Manual - Page 31

Keys, Doors and Windows WARNING (Continued) . 2-5 From the outside, use the key in the driver's door or use the Remote Keyless Entry (RKE) transmitter. Power Door Locks 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. . Driver side shown From the inside, use the manual lock levers or power door lock switch. The power door lock switches are located on the driver and the front passenger doors. Press L (Lock) to lock all the doors at once. To unlock all the doors, press U (Unlock). There are several ways to lock and unlock the vehicle.