See also:

Installing child restraints using a seat belt (child restraint lock function belt)
Rear facing Infant seat/convertible seat Fold the seatback forward. Then return the seatback and secure it at the first lock position (most upright position). Place the child restraint syste ...

Vehicle interior
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Initialization
Items to initialize The following items must be initialized for normal system operation in cases such as after the battery is reconnected, or maintenance is performed on the vehicle. ...