See also:

Climate control 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. ...

C30 Changes and Models
Sharp-eyed folks will notice that the C30 has been redesigned for 2011. Changes include a new hood, front fenders, headlights and grille. (Check out the changes for yourself here.) The rest of the ...

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. ...