Buick LaCrosse: Fuel - Driving and Operating - Buick LaCrosse Owners ManualBuick LaCrosse: 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.

The eighth digit of the Vehicle

The eighth digit of the Vehicle Identification Number (VIN) shows the code letter or number that identifies the vehicle's engine. The VIN is at the top left of the instrument panel. See Vehicle Identification Number (VIN).

When the System Does Not Seem to Work Properly
The RVC system may not work properly or display a clear image if: • The RVC is turned off. See “Turning the Rear Camera System On or Off” earlier in this section. • It is dark. • ...

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 hear ...

See also:

Before checking or servicing in the engine compartment
WARNING ● Always stop the engine and apply the parking brake to prevent the vehicle from moving. ● Always let the engine cool down. Engine parts become very hot when the engine is ru ...

Two separate circuits
Your vehicle has a dual circuit brake system. Each circuit works diagonally across the vehicle. If one circuit of the brake system should fail, the other half of the system still works. If one cir ...

Call lists
Call lists are copied to the hands-free function each time a cell phone is connected and the lists are updated while the phone is connected. In normal view, turn TUNE counter-clockwise to see the ...