2009 Hyundai Elantra Touring: I only had to break one bead to install it. I didn't have to take the tire off. I actually had to use tire changers (pry bars). so as not to disturb the tire, and my friend put the sensor in the hole in the valve stem. Once you're sure it's straight in place, simply install the tube nut and tighten to push the seal against the inner rim. After airing and tying, I started the car. The TPMS light was on but went off by itself after driving 500 meters. At my shop, Iβ¦