Buick Enclave: Fuel - Driving and Operating - Buick Enclave Owner's ManualBuick 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

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 ...

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Fluid level checks
NOTICE Check the engine oil weekly. If any significant or sudden drop in oil level is noted, seek qualified assistance. If the message ENGINE OIL PRESSURE LOW is displayed, stop the engine as ...

Windows
WARNING Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from h ...

Fuel requirements
Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Researc ...