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:
Electric Brake Control Wiring Provisions
These wiring provisions are included with the vehicle as part of the trailer
wiring package. These provisions are for an electric brake controller. The instrument
panel contains blunt cut wires near ...
Avoiding flat spots
In order to minimize flat spotting, the tire pressures can be increased to the
maximum as stated on the tire sidewall, for the period when the vehicle is stationary.
Tires must be returned to the ...
Changing from low to high range
With the vehicle traveling no faster than 38 mph (60 km/h), select N. Press the
front of the transfer gearbox switch to select Hi.
Indication of the range change status is the same as for the stati ...
