See also:

Symbols and messages in the display
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Disc eject
For reasons of traffic safety, an ejected disc must be removed within 12 seconds or it will be automatically drawn back into the slot. ...

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 ...