A tire pressure monitoring system (TPMS) is an auto component that helps keep you informed when tire pressure drops or rises to unsafe levels. The system works by comparing each tire to a programmed ...

Seasons change, and shifting temperatures are in the forecast. Even when it doesn’t feel like much, the expansion of hot air or shrinkage of cold air often impacts tire pressures, which is why you’re ...

As people like to say, your car has only four contact points with the ground, or three if you drive something like a Reliant Robin, one of the lightest cars ever made. The wheels and tires are the ...

Tire shops have turned a once simple errand into a surprisingly technical decision point: when you buy a fresh set of rubber, should you also spring for new tire pressure sensors hiding inside each ...

When the tire pressure light in your car comes on, you need to inflate your tires. Here's what to do if it stays on even ...

A tire-pressure sensor is a small programmable electronic device, located in the pressurized pocket made by a wheel and tire, that constantly measures the air pressure inside the tire. The sensor ...

Do tire pressure sensors use individual batteries (that may last only 10 years) rather than the car’s electrical system? Could such a battery replacement cost about $85 for each wheel? What about ...

Q: My tire pressure monitor light is constantly on for one or more of the original tires on my 2009 Subaru Impreza with 40,000 miles. We love the car and plan on keeping it as long as possible. My ...