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:

    Reinserting the key blade in the remote key
    1. Hold the remote key with the slot for the key blade up. 2. Carefully slide the key blade into its groove. 3. Gently press the key blade in the groove until it clicks into place. ...

    Air distribution table
    ...

    Buttons on the remote
    Lock – Press the Lock button on the remote once to lock all doors and the trunk. The turn signals will flash once to confirm locking. Unlock – Press the Unlock button on the remote once to unlo ...