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:
Operating power lift gate
To operate the power lift gate, the selector
lever must be in the P (Park) position.
The power lift gate will not operate if the
battery voltage is low.
Power lift gate main switch
The power ...
How to Wear Safety Belts Properly
This section is only for people of adult size.
There are special things to know about safety belts and children. And there are
different rules for smaller children and infants. If a child will be ri ...
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded
gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles,
use only the unleaded gasoline ...






