At my last oil change I had the dealership rotate the tires, and now the TPMS display on the EVIC reads up-side-down. So if I add air to my left front tire the tire pressure reading on the EVIC's left REAR tire increases. I've never had a system like this in a car before, and I don't know if it is normal or not. I also don't know if there is a way to reset the system relative to the positions of the tires. The owner's manual does not address this at all.