Q: Could you please bring me up to speed on the different oils now used in car engines? The oil fill cap on my new Buick reads Dexos 5W-30 whereas my 2002 Bravada oil cap read just 5W-30. The Bravada ...

This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability. GM claims that Dexos — marketed and ...

MID-MICHIGAN In return, you'll be able to travel 10,000 miles before it's time to do it again. The oil in the engines of these new Buicks is a higher quality than many motorists are used to. It's a ...

Whether you drive a Chevy, GMC, Buick, or Cadillac, knowing your exact oil type, capacity, and filter spec can save you time, money, and costly mistakes. GM’s Dexos standards ensure your engine gets ...

James D. Halderman is an ASE-certified master technician, a member of the Society of Automotive Engineers and the author of 12 textbooks. Submit your automotive care questions to Halderman via e-mail ...

Taking proper care of your vehicle is a top priority. Failure to inspect the car or notice certain issues leads to damage and high repair costs. One of the most essential components of a car is the ...