Learn the correct steps to use a breathalyzer for accurate results. Avoid common mistakes and understand mouthpiece, calibration, and timing rules.

Wondering if performance spark plugs make a difference? The honest answer: little to no horsepower gain on a healthy engine — here’s when they actually help.

Learn the difference in spark plugs — copper, platinum, and iridium — and which spark plug type is best for your vehicle’s engine.

Deciding between a microfiber car wash brush vs traditional brush? Learn which protects paint better and when each tool makes sense for your car.

Learn how to use a microfiber car wash brush safely on paint and wheels, plus when a wash mitt is better and how to avoid swirl marks.

The green car symbol on a Chevy dashboard is the Forward Collision Alert system indicator.

In an electric car, the pedal that controls speed is called the accelerator pedal, not a gas pedal, because EVs don’t use gasoline.