Buick Enclave: 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 driving. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible.
If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
Fuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline ...
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 methylcyclopentadie ...
See also:
Checklist before driving off-road
► Engine oil level: check the engine oil
and
top it up if necessary.
The vehicle can only guarantee a smooth
supply of oil on steep stretches if there is a
sufficient level of engine oil ...
Center console, upper section
Vehicles with the Off-Road Pro
engineering package
1 Audio system/COMAND;
see separate operating
instructions
2 Hazard warning
lamps
3 Indicator
lamp
4 Seat heating
5 Seat ventila ...
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your
dealer first. Some electrical equipment can damage the vehicle and the damage would
not be covered by the vehicle' ...
