Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    2006 Buick Lucerne Review
    Buick's new full-size sedan, the Lucerne, tackles one of the automaker's key challenges: capturing younger buyers while simultaneously appealing to its core consumers — a group that's been aroun ...

    System stays in background
    While I only got to drive the 2012 LaCrosse for a little over an hour, I was impressed at how utterly unimpressive the eAssist was. Everything works in the background. There's no electric motor wh ...

    Gasoline Octane
    If the vehicle has the 3.9L V6 engine (VIN Code 1) or the 3.9L V6 engine (VIN Code M), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less tha ...