Find out where he got those! I always thought that was a good solution. Simple but effective.ifeldman said:As a compromise, I had on my previous car these tire gauges that you screw on and leave on each tire. Its supposed to turn from green to yellow and red as you need more air. The ones I had was not as accurate as I would like. My son saw a version in a catalog that is supposed to be accurate to 1 pound.