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 not available in states adopting California Emissions Standards, the vehicle will operate satisfactorily on fuels meeting federal specifications, but emission control system performance might be affected. The malfunction indicator lamp could turn on and the vehicle might fail a smog-check test.
See Malfunction Indicator Lamp. If this occurs, return to your authorized dealer for diagnosis.
If it is determined that the condition is caused by the type of fuel used, repairs might not be covered by the vehicle warranty.
See also:
Uniform Tire Quality Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example: ...
Responsive performance
Buick LaCrosse's stiff body structure serves as the foundation for precise
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Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on
briefly when the engine is started. It provides information about tire pressures
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