Quote:
Originally Posted by Skyman 08
??? Where did you come up with that????
You are joking aren't you?
GM uses tire pressure sensors that are built onto the inside of the valve stem.
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You're both saying the same thing...sorta. He's correct about all except the location of the sensors. Like you said, they're not in the tire -- they're in the valve stem. Those sensors you're speaking about in the valve stems are the RFID 'tags' VJCamaro is talking about. Ever wonder why there were never any batteries to change in those sensors?
The rfid is manipulated by the tire pressure. So when the car sends out a signal to the tires, those rfid chips' return signal is based on how the pressures have manipulated them. Being a techy-geek, I think it's pretty neat!
