Red or amber yellow warning lights illuminating a car’s instrument panel could mean trouble. The signals could mean the vehicle is unsafe to drive. Keith Huettl, a professor in the automotive program ...

Push-button start may be common today, but it wasn't always the dominant way to crank an engine. Push-button start systems and ignition key systems activate the same process in different ways. Do you ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story. Modern vehicles have incredible ...

In the 1980s General Motors shifted away from small holes in the cylinder head and pushrod guide plates instead to what they refer to as “guided” rocker arms. These stamped rocker arms use two small ...