How to Repair a Remote Key
Although many remote key fobs boast impressive battery lifespan, they eventually get worn out. Some times it is as simple as changing the batteries in the device but sometimes the problem can be more serious.
Remove the remote from the unit and clean the buttons. Then bend them in and out. These methods could be all you need to get your key fob back in working order.
Battery
Car key remotes are powered by CR2025 or CR2032 batteries and they can be replaced if the fob is still functioning. If not, you can examine the battery terminals or buttons to determine if there are any missing parts. The terminals and buttons can be re-soldered back into place however you'll need be aware of the type of battery is used by your fob.
If you're unsure whether the battery is at fault, use a backup fob to unlock or start your car. If these details , it's probably time to replace the primary fob. If not, a professional inspection is needed to figure out why it's not functioning properly. It could be a simple reset, or it could require other types of repair. You may also find that your vehicle has lost the fob. This isn't something you can tackle on your own.

Case
The plastic housing that covers the outside of a remote is called the case. relevant webpage comes with a replacement button pad. It is recommended to purchase a brand new case, as the original will likely to be extremely dirty. Additionally, it is crucial that the circuit board within the case is properly positioned. The circuit board is the main component of the key fob and can be tested with a standard multimeter by setting it to RF (radio frequency) mode and holding a radio scanner tuned to the same frequency the key fob operates on next to it, watching for signals that pulsate upon pressing the button.
Another thing to look at is the button contact points on the keypad. They could have become loose or broken in the course of time. Soldering them back into place will often allow them to return to their original function, unless they snap completely.
Buttons
If your key fob buttons no longer work or are difficult to press you may need a dorman or motormite remote key housing replacement can be purchased online for a reasonable price for your year/make and model. Then, you can take the circuit board out of your old case and insert it into the new one. In some cases, you may need to adjust the board's position slightly. Then, you can use aluminum foil and double-sided tape to adhere to the black contact points on the buttons.
Programming
The key fob is linked with the receiver in your vehicle and this connection can be corrupted. A professional will assess the car to determine the manufacturer, year of the vehicle, year of manufacture and model. They make use of specialist equipment to repair or program a blank fob or transponder chip (or duplicate a key in the event that it is possible). Then they test the remote to make sure it functions.
It is important to be cautious when programming a blank key, as the process can be a bit complicated and different manufacturers have slightly different steps. It is easy to miss a crucial step or to wait too long to exit the programming mode. To reduce the chance of damaging your car it is recommended to employ a professional who has vast knowledge of the security system in your vehicle. Certain key programming tools can also detect diagnostic trouble codes on your vehicle. This can help you fix or resolve other issues.