I purchased a 2010 Toyota Camray a few weeks ago, and am still looking at some of the features. It has a low tire pressure sensing system. It looks like there are special tire valve stems in each tire that may send a signal if there is a low tire. My question is this: What happens if one of the valve stems should leak? If I took the car to tire store (Like Townfair Tire) to have a leak repaired, would they be able to fix a normal tire leak without ripping out the original special valve stem as they usually do, or do I have to have a simple tire leak repaired at a Toyota Dealer? I have never seen a valve stem like these before.