Buick Enclave: 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 advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure gasoline meets enhanced detergency standards developed by auto companies. A list of marketers providing TOP TIER Detergent Gasoline can be found at www.toptiergas.com.

- Recommended Fuel
- Gasoline Specifications (U.S. and Canada Only)
- California Fuel Requirements
- Fuels in Foreign Countries
- Fuel Additives
- Filling the Tank
- Filling a Portable Fuel Container
Rear Vision Camera (RVC)
The vehicle may have a rear vision camera system. Read this entire section before
using it.
WARNING
The RVC system does not display pedestrians, bicyclists, animals, or any other
object located ...
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 ...
See also:
Tachometer
The tachometer indicates engine speed in
revolutions per minute (RPM). Do not rev
the engine into the red zone 1 .
CAUTION
When engine speed approaches the red
zone, shift to a higher gea ...
Hill descent control (green)
Illuminates continuously when HDC is selected and HDC operating conditions are
met - i.e. vehicle speed below 30 mph (50 km/h).
If the lamp flashes, HDC has been selected, but the operating condi ...
Maintenance precautions
When performing any inspection or maintenance
work on your vehicle, always take
care to prevent serious accidental injury to
yourself or damage to the vehicle. The
following are general precau ...






