The back door can be locked/unlocked and opened/closed by the following procedures.
Automatic door locking and unlocking systems
Locking and unlocking the back doorSeat belt warning system
LOCATION
PROBLEM SYMPTOMS TABLE
Symptom
Suspected Area
Driver side seat belt warning lamp does not flash
IG1 fuse
AM1 M-fuse
RAD NO. 2 fuse
Combination meter
Front seat inner belt assy LH
Airbag sensor assy
...