How to Inspect the Engine Air Cleaner/Filter

To inspect the air cleaner/filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is required.

To inspect or replace the engine air cleaner/filter:

    See also:

    Ignition Positions
    The ignition switch has four different positions. Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break the key. Use the correct key, make sure it ...

    Power Outlets
    The accessory power outlets can be used to plug in electrical equipment, such as a cellular telephone. The vehicle may have up to three power outlets depending on the type of front seat installed ...

    Overview
    Armed with turbocharged horsepower the 2011 Buick Regal, a driver-selectable suspension system and a firm, European-tuned chassis, it delivers a driving experience that rivals the best import spor ...