How to Repair a Remote Key
Although most remote key fobs are equipped with amazing battery lives, they will eventually wear out. Sometimes it's simple to replace the batteries inside the device but sometimes the problem can be more serious.
A quick fix that can aid is to disassemble the remote, cleaning the buttons and flexing them in and out. These methods could be all that you need to get your key fob working properly.
Battery
Car key remotes use CR2025 or CR2032 batteries and can usually be swapped out if the fob is still operational. If not then you can remove the fob and inspect the battery terminals and buttons to look for signs of wear or damaged parts. The terminals and buttons can be re-soldered back into place however you'll need know exactly what type of battery is used by your fob.
If the battery isn't the problem you can try an alternative key fob and see whether you are able to unlock or start your vehicle using it. If remote car key repair can do so, it's probably time to replace your primary fob. If it doesn't require replacement, you'll require a professional to inspect it to determine the problem. It could be as simple as reprogramming it, or require other types of repair. It could also be that your vehicle has lost the fob. This isn't something you can do on your own.
Case
The case of a remote key is the plastic case that surrounds it and typically comes with the replacement button pad. It is important to use an entirely new case since the original one is likely to be pretty grungy, and it is essential that the circuit board is installed correctly in the case. The circuit board is what controls the key fob's function. You can test it using an instrument set to RF (radiofrequency) mode and a scanner that is tuned to the same frequency as the key fob.
Check the contact points on the buttons on the keypad. They may be loose over time or have been damaged. Soldering them back in place will often allow them to return to full functionality, in the event that they snap completely.
Buttons
If your key fob buttons are no longer working or are difficult to push, you can purchase a replacement dorman or Motormite remote key housing online for the lowest cost for the model/year/make. Then, pop the circuit board from your old case and into the new one. You may have to slightly alter the position of the circuit board on certain models. You can then use aluminum foil and double-sided tape to stick to the black contact points on the buttons.
Programming
The key fob and receiver inside your car are connected however, this connection may be damaged. A professional will assess your car to determine the year, make, and model. They'll then use special equipment to reconnect or program a blank transponder chip or fob (or clone the key if that is possible). They will then test the remote to make sure that it works.
When reprogramming keys that are blank it is crucial to take care. The process can be complex and each manufacturer has distinct instructions. It is easy to miss a crucial step or to wait too long before exiting the programming mode. To avoid the risk of causing damage to your vehicle, it is best to hire a professional who has vast knowledge of the security system of your vehicle. remote car key repair near me programming tools can also be capable of analyzing diagnostic trouble codes from your vehicle, which could aid in repairing or resolving further issues.