OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview for more information.

    See also:

    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 ...

    Repair Facility
    GM also recommends that you choose a collision repair facility that meets your needs before you ever need collision repairs. Your dealer may have a collision repair center with GM-trained te ...

    Storing a Flat or Spare Tire and Tools With a Slide In Fastener
    1. If the flat tire is larger than the spare tire, use the longer mounting bolt. 2. Slide the shorter bolt to remove it from the floor and insert the longer one. 3. Replace the jack and to ...