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:
Passenger Sensing System
If the vehicle has the passenger airbag status indicator pictured in the following
illustration, then the vehicle has a passenger sensing system for the right front
passenger position. The passenger ...
Parking over Things That Burn
WARNING
Things that can burn could touch hot exhaust parts under the vehicle and ignite.
Do not park over papers, leaves, dry grass, or other things that can burn. ...
Switching DSC OFF
WARNING
Disabling the DSC may adversely affect vehicle stability and braking which in
turn can lead to loss of control and increased braking distance, resulting in a
rollover or crash.
In s ...






