2009 Volvo XC90 Owner's Manual - Page 95

03 Climate Electronic climate control (ECC) will light up to indicate that the defrost function is engaged. 3. Press the switch a third time to turn the heating off completely. The LED will go off. The seat heating for the passenger seat should be switched off when the seat is not occupied. Operation Press to operate the air quality sensor (normal setting). or: Select one of the following three functions by pressing 1, 2 or 3 times. 1. The AUT LED lights. The air quality sensor is now activated. 2. No LED lights. Recirculation is not activated unless needed to cool the passenger compartment in a warm climate. 3. The MAN LED lights. Recirculation is now activated. 03 • Blower speed increases automatically and the air conditioning will switch on (if not already on and if the passenger compartment blower is not turned off) to dehumidify the air in the passenger compartment. Temperature These controls are used to individually set the temperature for both sides of the passenger compartment. Please note that the compartment will not be heated or cooled faster by setting the temperature higher or lower than necessary. Set the control to the temperature you prefer. • Recirculation will not function while defrost is engaged. The climate system will return to its previous settings when the defroster function is switched off. Rear window and door mirror defrosters This function defrosts/deices the rear window and door mirrors. The LED in the switch will light up to indicate that the heating function is engaged. For additional information on this function see page 70. Never use ice scrapers made of metal as they can easily scratch the mirror surface. Blower control1 Turn the control clockwise to increase or counterclockwise to decrease the blower speed. Pressing the AUTO switch will automatically regulate blower speed and override manual adjustment. Turning the blower control counterclockwise until an orange LED comes on will turn both the blower and the air conditioning off. Keep in mind the following: • Make it a rule to have the air quality sensor activated at all times. • Recirculation is limited in cold climates to avoid fogging. • If window fogging occurs, you should deactivate the air quality sensor. Also use the defroster functions for the windshield, side windows and rear window, see page 93. Heated front seats (option) 1. Press the switch once for maximum seat heating. Both LEDs in the switch will be lit. 2. Press the switch a second time for comfort heating. One LED in the switch will be lit. Blower control for rear climate system (option) Turn the control to increase or decrease blower speed. • The filter should be changed at the intervals recommended in the service schedule. However, if the vehicle is used in a severely contaminated environment, it may 1 See also see page 90. 95