These locks are intended to help prevent children from accidentally opening the rear doors. Use them on both rear doors whenever a child rides in the rear seat of the vehicle.
If you slide the child safety lock to the lock position before closing that door, the door cannot be opened from the inside.
The door can only be opened by pulling the outside handle.

Locking, Unlocking with Door-
Lock Knob
Doors and LocksRear Door Hinge Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear door.
b. Front scuff plate.
c. Rear scuff plate.
d. B-pillar lower trim.
3. Remove in the order indicated in the table.
1
Bolt
2
Nut
...
Battery Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
1
Battery cover
(See Battery Cover Removal Note.)
(See Battery Cover Installation Note.)
2
Negative battery cable
3
...
Battery Replacement
If the buttons on the transmitter are
inoperable and the operation indicator
light does not flash, the battery may be
dead.
Replace with a new battery before the
transmitter becomes unusable.
CAUTION
Make sure the battery is installed
correctly. Battery leakage could occur if ...