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How to Repair a Remote Key Although most remote key fobs have amazing battery lives, they will eventually wear out. Some times it is as simple as changing the batteries inside the device, but in other cases the issue can be more serious. Take the remote apart and clean the buttons. Then, flex them out and in. These steps could be all you require to get your key fob working properly. Battery Car key remotes utilize CR2025 or CR2032 batteries and they can be replaced in the event that the device is operational. If not, you can open the fob and check the batteries' terminals and buttons for any signs of looseness or broken parts. You should be able to solder the buttons and terminals back into place. However, you will need to know what kind of battery is being used in the fob. If you're unsure if the battery is at fault, utilize a backup fob in order to start or unlock your vehicle. If you are able to do so, it's time to replace your primary fob. If not, you will require a professional to assess the fob to identify the issue. It could be a simple reconfiguration, or it may require other types of repairs. There's also the possibility that your vehicle has forgotten your fob, which isn't something you can fix on your own. Case The case of a remote key is the outer plastic housing and typically comes with a button pad replacement. It is best to use the latest case as the original case is likely to be quite dirty. It is vital that the circuit board in the case is placed correctly. The circuit board is responsible for the operation of the key fob. It can be tested using a standard multimeter by setting it to the RF (radio frequency) mode and holding a scanner tuned to the same frequency the key fob is using next to it, watching for pulsing signals upon the button's presses. Check the contact points on the buttons on the keypad. They may be loose over time or broken. Carefully soldering them back in place will often restore them to their original function unless they break completely. Buttons IF your key fob buttons don't work anymore or are difficult to press you may need a dorman or motormite remote key housing replacement could be purchased for a low price online for the year, make and model of your. Then, simply pop the circuit board out of your old case into the new one. It is possible to alter the position of the circuit board on certain models. You can then apply aluminum foil with double sided tape to stick to the black contact points on the buttons. Programming The key fob is paired with the receiver of your vehicle. This connection can be corrupted. A professional will examine your car to determine its year, make, and model. They will then employ specialist equipment to reconnect or program a blank transponder chip or fob (or clone the key if that is possible). Then, they test the remote to make sure it works. It is crucial to be cautious when reprogramming a blank key, as the process can be a bit complicated and different brands require certain steps that are slightly different. It is easy to skip a step or to wait too long to exit the programming mode. To reduce key repair near me of damaging your vehicle, it is best to hire an expert with vast knowledge of the security system of your vehicle. Some key programming tools can also detect diagnostic trouble codes in your vehicle. This will help you fix or resolve other issues.