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The rain sensor is automatically deactivated:
When the key is removed from the ignition.
Five minutes after the ignition is switched off if the key is left in the ignition.
C - Thumb wheel
The thumb wheel is used to set the wiper interval when intermittent wiping is selected, or the sensitivity to the amount
of rain on the windshield when the rain sensor is selected. Move the wheel upward or downward to increase/decrease
wiper speed when the intermittent function is selected, or to increase/decrease the optional rain sensor's sensitivity
when the this function is activated.
D - This button is used on wagon models only
Contents | Top of Page
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2 0 0 6
VOLVO S40
Chapter 4 - Climate
pg. 61 Climate
General information62
Manual climate control64
Electronic climate control (ECC) - option66
Air distribution69
pg. 62 General information
Air conditioning - A/C
Your car is equipped with a climate control system that includes either manually adjustable air conditioning or optional
Electronic Climate Control (ECC).
The air conditioning system can be switched off, but for optimal air quality in the passenger compartment and to
prevent the windows from fogging, the air conditioning should be left on - even in cool weather.
NOTE: In warm weather, a small amount of water may accumulate under the car when it has been parked. This water
is condensation from the A/C system and is normal.
Ice and snow
Always keep the air intake grille at the base of the windshield free of snow.
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.
Refrigerant
Volvo cares about the environment. The air conditioning system in your car contains a CFC-free refrigerant - R134a.
This substance will not deplete the ozone layer. The system contains 1.2 lbs (530 g) R134a (HFC 134a), and uses PAG
oil.
Passenger compartment filter
Replace the cabin air filter with a new one at the recommended intervals. Please refer to your Warranty and Service
Records Information booklet, or consult a trained and qualified Volvo service technician for these intervals. The filter
should be replaced more often when driving under dirty and dusty conditions. The filter cannot be cleaned and
therefore should always be replaced with a new one.
NOTE: There are different types of cabin air filters. Ensure that the correct type is installed.
Display
The display above the climate control panel shows the climate settings that have been made.
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Personal settings
There are two functions in the climate system that can be set to your preferences:
Blower speed to Auto mode (models with ECC only).
Timer controlled recirculation of the air in the passenger compartment. For information about how to make these
settings, see the Personal settings section on page 57
.
Models equipped with ECC (option)
Sensors
The sunlight sensor on the upper side of the dashboard and the passenger compartment temperature sensor, located
behind the climate system control panel, should not be obstructed.
Side windows and optional moonroof
The electronic climate control system will function best if the windows and moonroof are closed. If you drive with the
windows or moonroof open, it may be preferable to manually adjust the temperature and blower control (the LED in
the AUTO switch should be off).
Acceleration
The air conditioning system is temporarily switched off during full throttle acceleration.
pg. 63 General information
Air vents in the dashboard
A. Open
B. Closed
C. Horizontal air flow
D. Vertical air flow
Direct the outer air vents toward the side windows to defrost.
pg. 64 Manual climate control
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Climate system control panel
1. Blower speed
2. Recirculation
3. Defroster
4. Airflow controls
5. A/C - OFF/ON
6. Heated driver's seat
7. Heated front passenger's seat
8. Rear window and door mirror defrosters
9. Temperature selector
Manual climate system functions
1. Blower speed
The blower speed can be increased or decreased by turning the knob. If the knob is turned
counterclockwise and the indicator light in the display goes out, the blower and the air conditioning are switched off.
The display shows the blower symbol and OFF.
2. Recirculation
This function can be used to shut out exhaust fumes, smoke, etc from the passenger compartment. The
air in the passenger compartment is then recirculated, i.e. no air from outside the car is taken into the car when this
function is activated. Recirculation (together with the air conditioning system) cools the passenger compartment more
quickly in very warm weather. If the air in the car recirculates for too long, there is a risk of condensation forming on
the insides of the windows, especially in winter.
Timer
The timer function minimizes the risk of misting, or stale air when the recirculation function is selected. See page 57
for information on setting the recirculation timer. Recirculation is always disengaged when you select Defroster (3).
3. Defroster
Directs airflow to the windshield and side windows and increases blower speed.
Air flows to the windows at high blower speed.
The LED in the defroster button lights up when this function is activated. The air conditioning system is controlled
to provide maximum air dehumidification.
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The air is not recirculated.
pg. 65 Manual climate control
4. Airflow controls
Press one of the three buttons in the illustration to activate the selected airflow. A symbol in the display
above the climate control panel and a lit LED in the selected button indicate that the manual function has been
selected. With manually selected airflow both warm and cool air can be selected. The desired temperature is selected
using control 9.
5. A/C - On or Off
The air conditioning system is engaged when the ON LED is lit. The system is disengaged when the OFF
lights up. If Defroster (3) is activated the air conditioning is always engaged.
6/7. Heated front seats (option)
Maximum heating: Press the button once - both LEDs light up.
Reduced heating: Press the button a second time - one LED lights up.
Seat heating off: Press the button a third time - no LEDs are lit.
8. Heated rear window and door mirrors
Use this function to defrost the rear window and door mirrors.
9. Temperature selector
The knob with the thermometer symbol is used to select cooling or heating for both the driver's and passenger's sides
of the car.
pg. 66 Electronic climate control (ECC) - option
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1. Auto - On/Off
2. Blower speed
3. Recirculation
4. Defroster
5. Airflow controls
6. A/C - ON/OFF
7. Heated driver's seat
8. Heated front passenger's seat
9. Rear window and door mirror defrosters
10. Temperature selector
ECC functions
1. Auto -On/Off
The AUTO function automatically regulates climate control to maintain the desired temperature. The automatic
function controls heating, air conditioning, blower speed, recirculation, and air distribution.
If you select one or more manual functions, the remaining functions continue to be controlled automatically. All
manual settings are switched off when AUTO is switched on. AUTO CLIMATE is shown in the display.
2. Blower speed
The blower speed can be increased or decreased by turning the knob. The blower speed is regulated automatically if
AUTO is selected. The previously set blower speed is disconnected.
NOTE: If the knob is turned counterclockwise and the blower indication in the display goes out, the blower and the air
conditioning are switched off. The display shows the blower symbol and OFF.
3. Recirculation
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This function can be used to shut out exhaust fumes, smoke, etc from the passenger compartment. The air in the
passenger compartment is then recirculated, i.e. no air from outside the car is taken into the car when this function is
activated.
If the air in the car recirculates for too long, there is a risk of condensation forming on the insides of the windows,
especially in winter.
Timer
The timer function minimizes the risk of fogging, or stale air when the recirculation
pg. 67 Electronic climate control (ECC) - option
function is selected. See page 57 for information on setting the recirculation timer.
4. Defroster
Directs airflow to the windshield and side windows and increases blower speed. The LED in the defroster button lights
up when this function is activated. The air conditioning system is controlled to provide maximum air dehumidification.
The air is not recirculated.
5. Airflow controls
Press one of the three buttons in the illustration to activate the selected airflow. A symbol in the display above the
climate control panel and a lit LED in the selected button indicate that the manual function has been selected. With
manually selected airflow both warm and cool air can be selected. See also the table on page 69.
6. Air conditioning On/Off
The air conditioning system is controlled automatically by the system when the ON LED is lit to maintain the selected
temperature. When OFF is selected and the OFF LED is lit, the air conditioning system is deactivated. Other functions
are still controlled automatically. When Defroster (4) is selected, the air conditioning system is activated for maximum
dehumidifying.
7 and 8. Heated front seats (option)
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Maximum heating: Press the button once - both LEDs light up.
Reduced heating: Press the button a second time one LED lights up.
Seat heating off: Press the button a third time - no LEDs are lit.
9. Rear window and door mirror defrosters
Press to defrost the rear window and door mirrors.
The rear window and door mirrors are defrosted simultaneously if the switch is pressed once. The function is active if
one LED is lit in the switch. The door mirrors are deactivated automatically after approximately 6 minutes. The rear
windscreen is deactivated after approximately 12 minutes.
10. Temperature selector
The temperatures on the driver's and passenger's sides can be set separately using the knob (with the thermometer in
it). The temperature can be set for both sides of the car when the ignition is switched on (both LEDs will be on), which
means that a temperature setting will apply to both sides of the car.
To set the temperature on one side of the car:
Press the knob once. The LED for one side of the car will light up. Turn the knob to adjust the temperature.
pg. 68 Electronic climate control (ECC) - option
Press the knob a second time to set the temperature on the opposite side of the car.
Press the knob a third time to set the temperature on both sides of the car at the same time.
NOTE: Selecting a temperature that is higher or lower than necessary will not heat or cool the passenger compartment
faster.
pg. 69 Air distribution
Air distribution Use:
Defroster.
Air is not recirculated in this mode.
Air conditioning is always engaged.
There is a certain amount of airflow to the panel air
vents.Defrost/de-fog the windshield and front side
windows.
Air to windshield and front side windows. There is also a
certain amount of airflow to the dashboard air vents. Prevents fogging in cold or humid weather
(blower speed should be moderate to high)
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