Automakers recommend using genuine OEM engine oil for a reason that goes far beyond branding. These oils are developed ...

Synthetic oil used to be something only performance cars needed—but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and the ...

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...