Posted on 1/2/2022
Most light vehicles (under 10,000 pounds/4,500 kg) in North America sold from 2008 model year on have a feature that many people are confused about. It's the tire pressure monitoring system (TPMS). You may have some experience with it yourself if you own a newer vehicle. Vehicles with TPMS have sensors in each tire that are supposed to warn the driver when tire pressure gets dangerously low. That's important because tires that are significantly under-inflated can cause very serious accidents. Unfortunately, many drivers think the TPMS does all the work keeping track of tire pressure. To them, as long as the warning light or gauge isn’t giving a warning, the tires must have the proper amount of air pressure in them. That's not the case. Tire pressure monitoring systems aren't all created equal. Some give you a digital readout of the pressures in each individual tire. But many simply have a warning light that looks like the cross sect ... read more