https://jsfiddle.net/doubtnut04/62awtjpL/ Car Key Fob Repair Service Modern cars come with key fobs that can be used to unlock and even start the vehicle. They're extremely convenient until they stop working. The cost of programming the key fob to a new one is costly. You can save money by doing certain things yourself. The first step is usually to replace the battery. Change the battery The most common reason for a key fob's device to stop working is a dead battery. It's a simple fix that majority of people can fix themselves. You should always keep spare batteries in your vehicle. If you're in a bind, though, you can call a locksmith that specializes in both traditional keys and smart fobs to assist you. Most fobs open up in a clamshell style and you'll be able to get inside to change the battery without too much hassle. To do so, you'll need a small flat screwdriver, or something similar, that can be placed into the seam that divides the front and back of the fob. Use it to gently separate the two halves and remove the batteries that were previously used. If you want the fob to work, the new battery must be oriented correctly. After the new battery is in place, put the fob on and then snap it shut. You should hear a click noise when it's securely in place. You can now try using it to lock or unlock your car, and check any other features that aren't working. If the new battery doesn't work it could be an issue with the fob or your vehicle. If you're still having issues with the fob, you can take the fob to a local dealership or visit one of the Interstate All Battery Center locations to be programmed with the right codes. Don't mess with the circuits or antennas that are built into the key fob. They are the ones that control the programming of your vehicle and any tampering could cause your fob to malfunction in a hurry. You should also take a photo of the inside of the fob prior to opening it. This will let you see where all the pieces are and where the antennas