I have a 2008 Buick Lucerne CXS wuth Factory 18" wheels. What is the proper air pressure settings for the tires on these bigger tires? TIM
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2008 Buick Lucerne Question: front and rear tire pressure settings
Answer #1patrick mannion from Greg Solow's Engine Room, September 21, 2009, 20:23Master
Here is a PDF file link to the owners manual for your car.
Page 5-67 talks about tires
Page 4-20 show tire decal location on your car
It seems to imply you must follow the pressures recommend on the decal on your car.