So what does the reset do? Is this for rims that don't have TPMS sensors to avoid being told all winter long that your tires are running flat?Happy to report that my cheesy $25 Amazon TPMS reset tool worked like a charm!! Such a simple thing, but a PITA for us folks who like to swap their own seasonal tires. OTOH, (IMO) a perfect example of an unnecessary feature with a guaranteed failure point over the life of your vehicle.