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:

Turn and Lane-Change Signals
The turn signal has two upward (for right) and two downward (for left) positions. These positions let you signal a turn or a lane change. To signal a turn, move the lever all the way up or down. ...

Lumbar Adjustment
Lumbar Adjustment If available, press and hold the front or rear of the control to increase or decrease lumbar support. To raise or lower lumbar support, press and hold the top or bottom of ...

The Inside
Where it counts, the Verano's interior feels plush — somewhere between a compact and a luxury car, but closer to the latter. Similar money could get a well-equipped Cruze or Mazda3. The Buick is ...