Lexus Lx470 Owner's Manual page 24

1-2. Opening, closing and locking the doors
■ Inside lock button
Locking the front doors from the outside without a key
The door cannot be locked if either of the front doors is open and the key
is in the ignition switch.
Rear door child-protector lock
6
Locks the door
Unlocks the door
The front doors can be opened
by pulling the inside handles
even if the lock buttons are in
the lock position.
The door cannot be opened from
inside the vehicle when the locks
are set.
These locks can be set to prevent
children from opening the rear
doors. Push down rear door
switches to lock the rear doors.