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:
Trailer Brakes
A loaded trailer that weighs more than 900 kg (2,000 lbs) needs to have its own
brake system that is adequate for the weight of the trailer. Be sure to read and
follow the instructions for the trail ...
Air suspension
WARNING
Ensure that the vehicle is clear of people and obstacles before lowering the
suspension. The difference between Off-road height and Access height is 4.1 in.
(105 mm).
The air suspen ...
Displaying the coolant temperature
WARNING
Driving when your engine is overheated can
cause some fluids which may have leaked into the engine compartment to catch
fire. You could be seriously burned.
Steam from an over ...






