Nope - they've never even seem to have been aware of that system, never activate it, and they charge per tire. At any rate, at least on the cars I've owned, it

Nope - they've never even seem to have been aware of that system, never activate it, and they charge per tire. At any rate, at least on the cars I've owned, it's been something along the lines "hold down this button on your dash for 30 seconds", so I'd be pretty irate about being charged for that even if they did it.