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:
Automatic anti-glare mirrors
WARNING
If incident light from headlamps is prevented
from striking the sensor in the rear-view
mirror, for instance, by luggage piled too high
in the vehicle, the mirror's automatic a ...
Map Database Information
Use the Map Database Information/ Remove Map Data screen button to view the coverage
areas of the map database or to replace the map database.
1. Press the Map Database Information/Remove Map Data ...
Auxiliary Devices
The navigation system has an auxiliary input jack located on the faceplate and
in the center console. This is not an audio output; do not plug the headphone set
into the front auxiliary input jack. ...






