Operation

Operation - Electronic climate control (ECC) - Climate - Volvo XC90 Owners Manual - Volvo XC90

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.

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.
• 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 be necessary to change the filter more frequently.

    See also:

    Arming the alarm
    Press the Lock button on the remote key. One long flash of the turn signals will confirm that the alarm is armed. Alarm confirmation settings can be changed in MY CAR, under Car settings  - ...

    Reinserting the headlight housing
    When reinserting the housing, be sure that the long locking pin (to the left in the illustration) is securely in place in both of its retaining clamps. 1. Plug in the connector until it clicks ...

    Checking tire pressure
    Cold tires Inflation pressure should be checked when the tires are cold. The tires are considered to be cold when they have the same temperature as the surrounding (ambient) air. This tempera ...