Buick Enclave: 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 methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives for additional information.
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 ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed
to operate on fuels that meet California specifications.
See the underhood emission control label. If this fuel is ...
See also:
Theft-Deterrent Feature
TheftLock® is designed to discourage theft of the vehicle's radio by learning
a portion of the Vehicle Identification Number (VIN). The radio does not operate
if it is stolen or moved to a diff ...
Options
Press the Options screen button. A Traffic Options menu displays. Select the
desired traffic related option.
Traffic: Press to enable or disable the traffic function.
Show Traffic ICONS: Press to ...
Towing Equipment
Hitches
It is important to have the correct hitch equipment. Crosswinds, large trucks
going by, and rough roads are a few reasons why the right hitch is needed.
► The rear bumper on the vehi ...






