How to Repair repair car keys
Although most remote key fobs come with impressive battery lives they'll eventually get worn out. Sometimes it's as simple as changing the batteries in the device, but in other cases the issue can be more serious.
repair car keys that could help is dismantling the remote and cleaning the buttons before moving them in and out. These methods could be all you need to get your key fob to work.
Battery
If the fob continues to working you can replace the CR2025 or CR2032 battery. If it's not then you can remove the fob and check the battery terminals and buttons for any indication of looseness or broken parts. Often the terminals and buttons can be repaired by soldering them back into place however you'll need be aware of the exact type of battery your fob uses.
If the battery isn't the issue Try using an alternate key fob to determine whether you are able to start or unlock your vehicle with it. If it's possible, it's probably time to replace the primary fob. If not, a professional inspection is needed to figure out why it's not working properly. It could be as easy as reprogramming or it may require different types of repairs. There's also the possibility that your car has forgotten your fob that you can fix yourself.
Case
The outer plastic housing of a remote is called the case. It usually comes with an additional button pad. It is recommended to purchase a brand new case, as the original case is likely to be quite dirty. Also, it is vital that the circuit board within the case is placed correctly. The circuit board is responsible for the function of the key fob. It can be tested with a standard multimeter by setting it to RF (radio frequency) mode and then holding a radio scanner tuned to the same frequency that the key fob operates on next to it, listening for pulsing signals upon button presses.
Check the contact points of the keys on the keypad. They could be loose over time or broken. A careful soldering process to put them back in place can often return them to full functionality unless they snap off completely.
Buttons
IF your key fob buttons do not function anymore or are difficult to press, a dorman or motormite key housing replacement for your remote can be purchased for a low price online for the year, make and model of your. Then, take the circuit board from your old case and put it into the new one. For certain models it may be necessary to adjust the position of the board slightly. The black contact points of the buttons can be bonded to with aluminum foil and double-sided tape.
Programming
The key fob is linked with the receiver of your vehicle. This connection could be damaged. A professional will examine the car to determine the manufacturer, year model, year and model. They will use specialist equipment to re-pair or program a blank fob or transponder chip (or make a key replica if this is possible). Then, they test the remote to be sure it functions.
When programming blank keys, it is important to be careful. The process is complicated and each manufacturer comes with different instructions. It is also possible to miss a step, or wait too long before exiting the programming mode, therefore it is recommended to hire professionals with extensive knowledge of your car's security system to minimize the risk of damaging your car. Certain key programming tools can also read diagnostic trouble codes on your vehicle. This can help you repair or troubleshoot other issues.