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:
Jump-starting
WARNING
Failure to follow these directions will cause damage to the electronic
components, and can lead
to a battery explosion and severe injury or death.
Never lean over batteries wh ...
Express Window Anti-Pinch Feature
If any object is in the path of the window when the express-up is active, the
window will stop at the obstruction and auto-reverse to a preset factory position.
Weather conditions such as severe ici ...
How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface.
A. Drain Plug
B. Fill Plug
If the level is below the bottom of the fill plug hole, located on the transfer
case, some lubric ...
