Buick Lucerne Owners Manual

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When the Change Engine Oil Soon Message Displays
Change engine oil and filter. See Engine Oil. An Emission Control Service. When the Change Engine Oil Soon message displays, service is required for the vehicle as soon as possible, within the ne ...

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. En ...

Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing Your Vehicle. ...