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:
Locking Rear Axle
Vehicles with a locking rear axle can give more traction on snow, mud, ice, sand,
or gravel. It works like a standard axle most of the time, but when traction is
low, this feature will allow the rea ...
Entering an Address and Point of Interest, and Storing Preset Destinations
Entering an Address
Enter a destination by inputting the city name first:
1. Press O to turn the system on.
2. A caution may appear. Press OK to proceed.
3. Press DEST.
4. Press2(Address Entry).
...
Tire Pressure
Tires need the correct amount of air pressure to operate effectively.
Notice: Neither tire underinflation nor overinflation is good.
Underinflated tires, or tires that do not have enough air, can re ...
