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:

    Using the information button
    1. Press the information button . 2. All of the indicator lights will flash sequentially for approximately 7 seconds to indicate that the PCC is receiving information from the vehicle. If any o ...

    Minimum octane
    Typical pump octane label Volvo recommends premium fuel for best performance, but using 87 octane1 or above will not affect engine reliability. Volvo engines are designed to achieve rated horsep ...

    Power brakes function only when the engine is running
    The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not working, ...