Fuel

Use of the recommended fuel is an important part of the proper maintenance of your vehicle.

To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.

See also:

Cruising, Turning & Stopping
Ride comfort is still king at Buick, and it's a formula GM shouldn't change. The LaCrosse leaves manhole covers and steel plates behind with the sort of measured wump that you'll notice but won't ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

With Selective Ride Control
1. Move the shift lever to the left from D (Drive). The vehicle will be in Sport Mode. The gear indicator in the DIC will still display a D for Drive, and the SPORT MODE ON message will be ...