Buick Enclave: 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 not available in states adopting California Emissions Standards, the vehicle will operate satisfactorily on fuels meeting federal specifications, but emission control system performance might be affected. The malfunction indicator lamp could turn on and the vehicle might fail a smog-check test.
See Malfunction Indicator Lamp . If this occurs, return to your authorized dealer for diagnosis.
If it is determined that the condition is caused by the type of fuel used, repairs might not be covered by the vehicle warranty.
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 ...
Fuels in Foreign Countries
Never use leaded gasoline or any other fuel not recommended in the previous text
on fuel. Costly repairs caused by use of improper fuel would not be covered by the
vehicle warranty.
To check the ...
See also:
Search area
The navigation map database is divided into countries, or geographically defined
areas within countries, that the navigation system recognises as search areas. When
setting a route, the destinatio ...
Tachometer
The red band in the tachometer indicates the
engine's overrevving range.
Do not drive in the overrevving range, as
this could damage the engine.
The fuel supply is interrupted to protect the ...
Infotainment
Read this manual thoroughly to become familiar with how the navigation system
operates.
The navigation system includes navigation and audio functions.
Keeping your eyes on the road and your mind on ...






