Engine Oil Additives/Engine Oil Flushes
Buick LaCrosse / Buick LaCrosse Owners Manual / Vehicle Care / Vehicle Checks / Engine Oil / Engine Oil Additives/Engine
Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include:
► Keep the vehicle serviced and in good shape.
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Engine Drive Belt Routing
3.9L V6 Engine
4.6L V8 Engine ...
Engine Drive Belt Routing
2.4L L4 Engine ...