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:
Vehicle Load Limits
It is very important to know how much weight your vehicle can carry. This weight
is called the vehicle capacity weight and includes the weight of all occupants,
cargo, and all nonfactory-installed ...
Wheels
Wash the wheels when washing the vehicle
to maintain their appearance.
► Clean the inner side of the wheels when
the wheel is changed or the underside
of the vehicle is washed.
► ...
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed.
When you change the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message.
See Engine Oil Life Syste ...