See also:

Lucerne Super adds more luxury appointments
Distinctly designed, the Lucerne Super stands out with a new bright chrome waterfall grille, front and rear fascias, integrated dual exhaust tips, rocker panels, and Super badge on the decklid. Ex ...

Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating. ...

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 ...