I've a friend who bought a 2013 shortly after I bought mine. One of his sensors went bad. Batteries are not replaceable and last from 8-10 years, unless an old sensor got installed. Beware of cheap sensors on ebay. They are often cheap because they're several years old. The sensors have a born on date on them. They're getting pretty affordable now online too. I think the GM ones can be removed from the valve stem without taking the tire off the rim, but you do have to break the bead to reach the sensor. There's a little screw......I say THINK because it looked possible, but I haven't done it.