See also:

Climate system maintenance
Special tools and equipment are required to maintain and carry out repairs on the climate system. Work of this type should only be done by a trained and qualified Volvo service technician. ...

Turning off (stopping) the alarm
If the alarm is sounding, it can be stopped by pressing the Unlock button on the remote key or by inserting the remote key in the ignition slot. Two short flashes from the car's direction indi ...

Ignition mode II
- With the remote key fully pressed into the ignition slot, press START/STOP ENGINE for approximately 2 seconds. ...