Buick Lucerne Owners Manual

See also:

Trailer Towing (eAssist)
The vehicle is neither designed nor intended to tow a trailer. ...

Radio Messages
Calibration Error: The audio system has been calibrated for the vehicle from the factory. If Calibration Error displays, it means that the radio has not been configured properly for the vehicle ...

Average Fuel Economy/Instantaneous Fuel Economy
On some models, this display shows Average Fuel Economy. On other models, this display shows both Average Fuel Economy and Instantaneous Fuel Economy. The Average Fuel Economy display shows ...