The Polaroid camera clicked, and Keith Schafer peeled back the negative to reveal another oscilloscope trace of an engine's ...

Tires play an important role in your vehicle's performance. Find out how to tell when it's time to swap them out.

In today's high-tech cars, the "Change Engine Oil" message is no longer just a calendar reminder slapped on a windshield at 5,000 miles. Many vehicles now use an oil-life monitoring system that ...

Safety experts recommend using the time change each fall and spring as a built-in reminder to test alarms and replace ...