Buick Enclave: 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.
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Use regular unleaded gasoline with a posted
octane rating of 87 or higher. If the octane rating
is less than 87, you may notice an audible
knocking noise when you drive, commonly referred
to as sp
At a minimum, gasoline should meet ASTM
specification D 4814 in the United States or
CAN/CGSB-3.5 in Canada. Some gasolines may
contain an octane-enhancing additive called
methylcyclopentadienyl m
SEE MORE:
At Each Fuel Stop
► Check the engine oil level.
See Engine Oil .
Once a Month
► Check the tire inflation pressures. See Tire Pressure .
► Inspect the tires for wear.
See Tire Inspection .
► Check the windshield washer fluid level. See Washer Fluid .
Engine Oil Change
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 result in:
► Tire overloading and overheating which could lead to a blowout.
► Premature
