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:
Tow mode switch
TOW MODE should be used when pulling a
heavy trailer or hauling a heavy load.
Driving the vehicle in TOW MODE with no
trailer/load or light trailer/light load will
not cause any damage. Howe ...
Message memory menu
The on-board computer saves certain display messages. You can call up the
display messages
in the message memory menu.
The message memory menu is only shown if any display messages have been sto ...
Linking intelligent key
The Climate control system settings can be
memorized for each Intelligent Key. For
more details, see “Setting memory function”
in the “3. Pre-driving checks and
adjustments” section. ...
