Buick Enclave manuals

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

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 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

 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

 California Fuel Requirements

If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is

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 Exterior Lighting

The exterior lamps control is located on the instrument panel, to the left of the steering wheel. : Turns the automatic light control on or off. AUTO: Automatic operation of the headlamps at normal brightness and other exterior lamps. Manual operation of the parking lamps and other ex

 Steering

Hydraulic Power Steering Your vehicle has hydraulic power steering. It may require maintenance. See Power Steering Fluid . If power steering assist is lost due to a system malfunction, the vehicle can be steered, but may require increased effort. Variable Effort Steering Some vehicles have a

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