KENOSHA, Wis. — Snap-on Tools, a subsidiary of Snap-on Inc., has improved its TPMS3 Tire Sensor System Tool by adding the Snap-on Programmable Sensor Add-on Package (TPMS3PRG), the company said.

The first thing that caught my eye was a set of Dorman tire pressure monitor sensors (TPMS). Why, you might ask, would I be interested in this product for a brand-new car with less than 3,000 ...