Download Article Show Download Article No matter what type of key fob you have, you can replace the battery in a few minutes. The technique to open the fob and the battery you need differs slightly depending on the specific key fob you own. Pry open the fob, then swap the old battery out for a new one. Your key fob should then work as intended once again.
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ReferencesAbout This ArticleArticle SummaryX To replace the battery in your key fob, start by unscrewing its back with a small Philips screwdriver. Set the screw aside somewhere safe so you don’t lose it. If your fob has a small indentation along the side, push a small coin or flat head screwdriver inside and twist it to separate the halves. If there’s no indentation, push your screwdriver in the seam and pry the halves apart. Once you’ve opened your fob, replace the battery, which is usually a small coin-shaped watch battery. Finally, close your fob and secure the screw in place. For more tips, including how to replace a car key battery, read on! Did this summary help you? Thanks to all authors for creating a page that has been read 192,984 times. Reader Success Stories
Did this article help you?Can I replace the key fob battery myself?Yes, you can. DIY is quick, simple, and cheap. To do this, pry apart the key fob and replace the coin battery inside with a new one.
Do I have to reprogram my key fob if I change the battery?Typically, you do not need to reprogram the key fob after changing the battery. However, if you've replaced not just the batteries but also some of the internal wiring and electronics, you may need to reprogram it by pairing it with your vehicle once again.
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