See also:

Vanity mirror
The light comes on when you open the cover. ...

Standby mode (temporary deactivation)
Press to temporarily deactivate cruise control (put it in standby mode). The set speed, for example 55 mph, is then shown in parentheses. The previously set speed and time interval are resumed by ...

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 ...