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:
In-cabin microfilter
Models without Advanced Climate Control
System:
The climate control system is equipped
with an in-cabin microfilter which collects
dirt, pollen, dust, etc. To make sure the air
conditioner he ...
Trailer electrical connection
NOTICE
Only connect approved electrical circuits, which are in good condition, to the
trailer socket.
When a trailer electrical connection is made, and the vehicle’s direction indicators ...
Air bag system
WARNING
The components that make up the air bag system are sensitive to electrical or
physical interference, either of which could easily damage the system and cause
inadvertent operation or ...






