https://jsfiddle.net/pandinner55/0Lhdup1v/ Car Key Button Repair A damaged car key is a hassle. You might need to contact an emergency locksmith service or purchase a replacement remote. But, you may be able to save money by repairing a worn-out key fob instead of replacing it. This is particularly true if a worn-out switch or faulty contacts are at the root of the issue. Battery If your key fob's buttons aren't responding when you pressing them, it could indicate that the battery has died or is about to reach the end of life. Fortunately replacing the battery is an easy task that can be completed on your own instead of hiring a locksmith to complete the task for you. Find the battery compartment first. The battery compartment is typically located on the back of the key fob, and is often hidden behind a cover that opens or an open button that opens the access point. When the compartment is open you can see the small button cell battery. It is usually shaped like a small coin and has a plus and the minus symbol. Take the old battery out and replace it with a new one. Check that the plus and minus symbols are aligned correctly. Close the compartment and snap together the two parts of your key fob. Make sure to align the two pieces and snap them in place properly before closing the door and testing your keys. Press any of the buttons to confirm that they work properly. If your remote key fob ceases working even after you replace the battery, it may be experiencing other issues that require a different kind of repair. Dropping the device into a pool of water can cause it to cease functioning. It could also be due to a malfunction with the internal electrical system or need to be deprogrammed. See if you can find out if the issue is with your key fob using these other automotive troubleshooting methods. Switches Based on the year and the manufacturer, there are various kinds of switches available on the keyfob of your car. The older type keys usually have a separate chip