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:
Control panel for 3-zone automatic climate control
Canada only
Front control panel
1 To set the temperature, left
2 To set climate control to automatic
3 To direct the airflow through the defroster vents, left
4 To defrost the windshield
5 To ...
SNOW mode switch
For driving or starting the vehicle on snowy
roads or slippery areas, push on the SNOW
mode switch. The SNOW mode indicator
light will illuminate. When the SNOW mode
is activated, engine out ...
Memory storage
Two positions for the driver’s seat, steering
column and outside mirrors can be stored
in the automatic drive positioner memory.
Follow these procedures to use the memory
system.
1. Move t ...






