Driving and Operating
Buick LaCrosse / Buick LaCrosse Owners Manual / Driving and Operating
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Recommended Fuel
If the vehicle has a 2.4L L4 engine (VIN Code C), 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 r ...
Fuel Gauge
When the ignition is on, the fuel gauge shows about how much fuel is left in the tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on.
The FUEL LEVEL LOW message ...
Erasing Speed Memory
The cruise control set speed memory is erased by
turning off the cruise control or the ignition. ...
