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How to Repair a Remote Key Although most remote key fobs boast impressive battery life, they do eventually get worn out. Sometimes it's as easy as changing the batteries, but sometimes there are more serious problems. Remove the remote from the unit and clean the buttons. Then bend key repair near me in and out. These techniques might be all you need to get your key fob to work. Battery If the fob is still working you can replace the CR2025 or CR2032 battery. If it isn't then you can remove the fob and examine the batteries' terminals and buttons for any signs of looseness or damaged parts. Often key fob repairs and buttons can be soldered back in place but you'll need know exactly what type of battery your fob uses. If you're unsure if the battery is at fault then use a backup fob to start or unlock your vehicle. If you can, then it's time for a replacement of the primary fob. If not, a professional inspection is required to determine why it's not functioning properly. It could be as easy as reprogramming or it may require other types of repair. It could also be that your car has lost the fob. This is not something you can tackle on your own. Case The case of a remote key is the plastic housing that covers the outside and typically comes with a button pad that is replaced. It is best to use a brand new case, as the original case is likely to be quite dirty. Also, it is crucial that the circuit board inside the case is correctly placed. The circuit board is responsible for the operation of the key fob and can be tested using a normal multimeter by setting it to the RF (radio frequency) mode and holding a scanner tuned to the same frequency the key fob operates on close to it, and listening for pulsing signals when a the button's presses. Check the contact points of the buttons on the keypad. They could be loose over time or have been damaged. Carefully soldering them back in their original position can usually restore them to full functionality unless they break completely. Buttons If your key fob buttons are no longer working or are difficult to push, you can buy an alternative dorman or Motormite remote key housing online at the lowest price for your model/year/make. Then, pop the circuit board out of your old case and into the new one. On some models, you may need to adjust the board's position slightly. The black contact points of the buttons can be bonded to using aluminum foil and double-sided tape. Programming The key fob is paired with the receiver inside your vehicle and this connection can become corrupted. A professional will assess your vehicle to determine its year, make, and model. They'll then use specialist equipment to reconnect or program the transponder chip with a blank fob (or duplicate the key, if possible). They will then test the remote to ensure that it functions. When reprogramming keys that are blank it is crucial to be careful. The process can be complicated and each manufacturer offers distinct instructions. It is easy to skip a step or to take too long to exit the programming mode. To avoid the risk of damaging your vehicle, it is best to hire an expert who has extensive knowledge of the security system in your vehicle. Certain key programming tools can also be capable of analyzing diagnostic trouble codes from your vehicle, which can aid in repairing or resolving additional problems.