2010 Toyota Tundra Double Cab Owners Manual - Page 79

1-2. Opening, closing and locking the doors Locking the front doors from the outside without a key Move the inside door lock button to the lock position. Close the door. Vehicles with power door lock system The door cannot be locked if a front door is open and the key is in the engine switch. Rear door child-protector lock (Double Cab and CrewMax models) The door cannot be opened from inside the vehicle when the lock is set. These locks can be set to prevent children from opening the rear doors. Push down on each rear door switch to lock both rear doors. 1 Before driving Automatic door locking and unlocking systems (vehicles with power door lock system)