See also:

Shiftlock
When your vehicle is parked, the gear selector is locked in the P (Park) position. To release the selector from this position, the ignition must be in mode II (see page 82) or the engine must ...

Fastening a seat belt
Buckling Pull the belt out far enough to insert the latch plate into the receptacle until a distinct click is heard. The seat belt retractor is normally "unlocked" and you can move fr ...

Occupant Weight Sensor
Disabling the passenger's side front airbag Occupant Weight Sensor (OWS) indicator light Volvo recommends that ALL occupants (adults and children) shorter than 4 feet 7 inches (140 cm) be s ...