Volvo 2009 XC90 Owner's Manual page 95

will light up to indicate that the defrost function
is engaged.
•
Blower speed increases automatically and
the air conditioning will switch on (if not
already on and if the passenger compart-
ment blower is not turned off) to dehumid-
ify the air in the passenger compartment.
•
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.
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.
1 See also see page 90.
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.
Temperature
These controls are used to individually set the
temperature for both sides of the passenger
compartment. Please note that the compart-
ment will not be heated or cooled faster by
setting the temperature higher or lower than
necessary.
Set the control to the temperature you prefer.
1
Blower control
Turn the control clockwise to increase or coun-
terclockwise 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.
Blower control for rear climate system
(option)
Turn the control to increase or decrease blower
speed.
03 Climate
Electronic climate control (ECC)
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 acti-
vated unless needed to cool the passenger
compartment in a warm climate.
3. The MAN LED lights. Recirculation is now
activated.
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.
•
The filter should be changed at the inter-
vals recommended in the service sched-
ule. However, if the vehicle is used in a
severely contaminated environment, it may
03
95