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:
Cleaning the Video Screens
The video display screens are made of a specially coated glass and can be scratched
or damaged by abrasive products, solvents, or ammonia-based window cleaners. Clean
with a soft, lint-free, cotton ...
Brake System Warning Light
With the ignition on, the brake system warning light comes on when the parking
brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds
when the vehicle speed is greater ...
Distance control assist operation
Always pay attention to the operation of
the vehicle and be ready to manually
decelerate to maintain the proper following
distance. The Distance Control Assist (DCA)
system may not be able t ...






