2009 Buick LaCrosse Owner's Manual - Page 85

Rear Door Security Locks Rear door security locks prevent passengers from opening the rear doors from the inside. The rear door security locks are located on the inside edge of each rear door. The rear doors must be opened to access them. To assist in finding the lock, the vehicle has the following: To open a rear door when the security lock is on, do the following: 1. Unlock the door using the Remote Keyless Entry (RKE) transmitter, if the vehicle has one, the power door lock switch, or by lifting the rear door manual lock. 2. Open the door from the outside. To cancel the rear door security lock: 1. Unlock the door and open it from the outside. 2. Insert the key into the security lock slot and turn it so the slot is in the vertical position. 3. Do the same for the other rear door. Lockout Protection The lockout protection feature makes it more difficult to lock the key in the vehicle. If the driver's door is open while the key is in the ignition, the door cannot be locked with the power door lock switch. To use the lock: 1. Insert the key into the security lock slot and turn it so the slot is in the horizontal position. 2. Close the door. 3. Do the same for the other rear door. 2-11 This feature cannot guarantee that you will never be locked out of the vehicle. If the key is not left in the ignition, or, if the manual door lock is used, the key could still be locked inside the vehicle. Always remember to take the key with you.