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.
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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 chec
To provide cleaner air, all gasolines
in the United States are now
required to contain additives that
help prevent engine and fuel system
deposits from forming, allowing the
emission control
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This emergency operating mode lets the vehicle be driven to a safe place in an
emergency situation. If an overheated engine condition exists, an overheat protection
mode which alternates firing groups of cylinders helps prevent engine damage.
In this mode, there is a significant loss in power a
The vehicle has Electric Power Management (EPM) that estimates the battery's
temperature and state of charge. It then adjusts the voltage for best performance
and extended life of the battery.
When the battery's state of charge is low, the voltage is raised slightly to
quickly bring t
