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.
READ NEXT:
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, mi
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
vehic
SEE MORE:
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Fastener Tightening Specifications
SCHEMATIC WIRING DIAGRAMS
ENGINE HEATING/COOLING WIRING SCHEMATICS
Engine Cooling
Fig. 1: Engine Cooling Wiring Schematics
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC CODE INDEX
DTC P0480, P0481, P0691, P069
Manual Mode
Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the
vehicle's speed while driving downhill or towing a trailer.
The vehicle has an electronic shift position indicator within the instrument
panel cluster. When using the
