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:
Exterior Lamp Controls
The exterior lamps control is located on the instrument panel to the left of
the steering wheel.
It controls the following systems:
Headlamps
Taillamps
Parking Lamps
License Plate Lamps
...
When to Check
Check the tires once a month or more.
Do not forget the spare tire. See Full-Size Spare Tire for additional
information. ...
Winter tires
At temperatures below 45 °F(+7 °C), use
winter tires or all-season tires. Both types of
tire are identified by the M+S marking.
Only winter tires bearing the
snowflake
symbol in addition to ...
