See also:

Blower control
Turn the control clockwise to increase or counterclockwise to decrease the blower speed. If AUTO is selected, blower speed will be regulated automatically and this will override manual adjustment. ...

System
The formats supported by the system are: Advanced system settings These settings can only be made when there is no disc in the CD/DVD player. - Press MEDIA MENU. ...

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. ...