Buick Enclave: Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible.
If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
Fuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline ...
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States
or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive
called methylcyclopentadie ...
See also:
Adjusting the head restraint heightelectrically
► To adjust the head restraint height:
slide
the switch for head restraint adjustment up or down in the direction of
the arrow. ...
Most common factors contributing to vehicle corrosion
► The accumulation of moisture-retaining
dirt and debris in body panel sections,
cavities, and other areas.
► Damage to paint and other protective
coatings caused by gravel and sto ...
Center Console Storage
A console compartment is located between the bucket seats.
The console has both an upper and lower storage bin accessed by lifting up on
the latches located at the front of the console lid.
The con ...
