Buick LaCrosse: Passenger Compartment Air Filter - Maintenance - Climate Controls - Buick LaCrosse Owners ManualBuick LaCrosse: Passenger Compartment Air Filter

The filter removes dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle.

The filter should be replaced as part of routine scheduled maintenance.

See Maintenance Schedule for replacement intervals.

For more information, see your dealer.

    Air Intake
    Clear away any ice, snow, or leaves from the air intake at the base of the windshield that can block the flow of air into the vehicle. ...

    See also:

    If the wireless remote control does not operate properly (vehicles with a smart key system)
    Locking and unlocking the doors: Use the mechanical key. ...

    Continuously Variable Transmission (CVT) position indicator light (if so equipped)
    When the ignition switch is placed in the ON position, this indicator light shows the shift selector position. See “Driving the vehicle” in the “Starting and driving” section of this manu ...

    Commands
    The Voice Command system understands two types of commands. Universal commands are available at all times. Local commands are available if the supported radio mode is active. ...