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Car Key Button Repair A broken car key can be a source of frustration. You may need to call an emergency locksmith service that is available 24 hours a day for help or purchase a new remote. You could save money by fixing your old key fob instead of replacing it. This is particularly true if an old switch or damaged contacts are at the root of the issue. Battery If the buttons on your key fob don't respond to pressing it, this could be a clear sign that the battery is dying or nearing the end of its lifespan. Fortunately replacing the battery is an easy task that can be done on your own rather than hiring a locksmith to do it for you. First find the battery compartment. It is typically located on the backside of the key fob. It could be hidden behind an open cover that slides out or an access point that opens when you press a button. After the compartment is open then look for the small button-cell battery. This is typically shaped like an oblong coin and is identified with an minus and plus sign. Remove the battery that is old and replace it with a brand new one. Check that the plus and minus symbols are aligned correctly. Once car key repairs is in place, close the compartment and snap the two halves of the key fob. Make sure you align the two pieces and snap them into place properly prior to closing the door and testing your keys. To test that the buttons function correctly you can press any one of them. If the remote keyfob does not work after replacing the battery, there could be other issues that require a different type of repair. Damage to the physical structure caused by dropping the device in a puddle for instance, can sometimes cause it to stop functioning altogether. It could also be due to a problem with the internal electrical system or need to be deprogrammed. See if you can find out what's wrong related to your key fob using these other car troubleshooting techniques. Switches There are various types of switches that are used in the car key fob depending on the year and make. The older style keys usually have a separate chip that is visible in the case, whereas modern keys are more sophisticated and work by sending signals to the car. No matter what type, the keys' buttons can be damaged or worn out with normal use. This causes them to become difficult to press or even ineffective. If homesite try to force the button to function, it can cause further damage and potentially stop the key from starting your vehicle in the future. If you can't get your key to function Try changing the batteries. If that doesn't help, you may need to clean your key fob and re-adjust the switches. Since these tiny electronic switches are constantly being moved around, they are more likely to fail than the larger components of your key. The switches feel rubbery and are coated with an electrical conductor. The film is prone to wear off over time. However, they're tiny and affordable to replace. The old ones are soldered to the circuit board, and you'll have to take care to remove them without causing damage to other parts. Then you can solder the new ones in and put them back together. Avoid using your car key fob for more than an hour at a time and don't leave it out in the open. If you're not using your key, put it away in a secure location. If the issue continues to persist after you have cleaned your key fob or battery, and tried to clean it, then you may need to consult a locksmith. A professional locksmith can test the frequency of your key to determine if it's still able to communicate with your vehicle, open and replace micro switches, change cases, and more. Outer Case If the buttons aren't able to move freely up and down the case, they may be stuck or even break. If cleaning the case using rubbing alcohol and a cotton swab fails to work, it might be necessary to remove the case. If the contacts that the buttons touch are not an ideal fit or if they're damaged, adjusting them could be the only option. Rubber buttons may wear out over the years. Rubber buttons can become difficult to press as they stretch, and nails could gouge them. This could cause the key to fail and in this instance it's time to get the replacement of the case or buttons. This repair involves removing the remote, then locating the buttons on the circuit board, heating up the solder and carefully remove them. The new buttons are then connected to the circuit board. The case can then be reassembled and the horse shoe key blade piece inserted. The new buttons must be tightly fitted inside the case to avoid them from falling out. Inner Case Since your key fob is likely to be tossed around and could occasionally be pressed by accident, the buttons inside can become stuck or broken over time. Using metallic tape and a hole punch you can usually fix this problem in the event your car isn't at home and the key fob won't work and you are unable to open the doors, but not start the engine. This quick fix could enable you to safely get back to your vehicle and continue your journey.