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:
Door lock and release levers
From inside the vehicle, all the doors can be locked by pressing either the driver
or passenger lock lever (1).
Each rear door can be individually locked by pressing the appropriate locking
lev ...
Front
The front seats can be warmed by built-in
heaters. The switches located on the
instrument panel can be operated independently
of each other.
1. Start the engine.
2. Select heat range.
...
Seat belts
The seat belts can be cleaned by wiping
them with a sponge dampened in a mild
soap solution. Allow the belts to dry
completely before using them.
See “Seat belts” in the “1. Safety — s ...






