Air Vents

Use the louvers located on the air vents to change the direction of the airflow.

To open a vent, move the thumbwheel to | . To close the vent, move the thumbwheel to Operation Tips.

Operation Tips

► Keep all outlets open whenever possible for best system performance.

► Keep the paths under all seats clear of objects to help circulate the air inside the vehicle more effectively.

► Use of non-GM approved hood deflectors can adversely affect the performance of the system

    See also:

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    Ride & Handling
    Unfortunately, the ride is another area where the Super looks better on paper than the other Lucerne trim levels, but in some ways performs worse. The CXL's suspension tuning is firmer than that o ...