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Key Fob Repair: Replacing the Battery

Being tossed around in pockets and purses keys fobs can deteriorate and fail to register presses with accuracy. This issue can be addressed by replacing the small battery that is typically found in the snap-out cases of the majority of car fobs.

If the contacts on your key fob have damaged, a replacement may not be enough to bring it back to life. There's an easy fix you can attempt at home:

Replace the Battery

If your key fob feels sluggish or takes a longer time to unlock or lock your car, it may be time to replace the battery. It's good news that replacing a key fob battery is among the simplest tasks you can tackle yourself. It is also an inexpensive fix that could help you avoid a trip to an expert locksmith or a dealership.

Most key fobs require the use of a coin-type battery (CR2032 or similar) which you can purchase at any general store, home improvement center, or auto parts stores. The key fobs have an opening for these batteries, and it is simple to replace the battery. Depending on the manufacturer you will need to use a screwdriver to open the compartment.

Certain key fobs have clips which hold the battery in place. If so you can gently lift them up with your fingers or a non-metallic tool. Remove the old battery and replace it with the new one, but be careful to note its orientation in order to put it in the correct place. It is crucial to avoid touching the batteries' flat surfaces as finger marks can shorten their life.

Close the case of the fob's key and test the function by pressing the button. If the key fob still doesn't function, you may have to open it again and verify that the battery is inserted correctly.

It's also possible that a simple replacement of the battery isn't enough to solve the problem, such as physical or electrical injury. In this scenario, you'll have to bring your key fob to an auto service or dealer center to be repaired. However, before doing so, there are four issues that a battery replacement won't fix. It is essential to be aware of the problems so that you're capable of contacting a qualified technician if necessary. You should also learn how to repair a defective key fob transmitter to learn more about the reasons it may not be functioning properly.

Clean the Contacts

Maintaining your key fob's cleanliness is vital to its functionality and longevity. Over time the natural oils on your fingers and pocket dust can build up in the key fob's buttons and in the crevices. This can cause keys to not function. It's simple enough to fix, though - all you need is some rubbing alcohol and a cotton swab.

First, you need to open the key fob by taking the lid off with a screwdriver or coin and gently prying out the battery. Be sure to note the type of battery it is (negative and positive sides) so that you can re-insert it correctly when you're done.

Then, moisten a cotton swab or small brush with isopropyl (rubbing) alcohol and begin cleansing the dirt off all the buttons on the fob and the surrounding areas. Make sure to pay special attention to the battery's contacts, and that they are clean. Once you are done, be sure to let the fob and its components dry completely.

If your fob doesn't work even after cleaning, you may be required to reset your system. Refer to the owner's manual of your device for directions on how to do this, and follow them. If the key fob is dead, this might be enough to bring it back to life.

Once the key fob has been cleaned and resynced it is a great idea to ensure regular maintenance. You can ensure that your key fob is working well for many years by wiping it clean with a damp towel and mild soap.

Reset the System

Even though today's high tech key fobs are equipped with more features, repair car keys are safer, and more convenient than ever however, they may still experience some problems. Most of the time these issues aren't too serious or difficult and can be resolved with simple solutions, like changing the battery. If the problem is serious or isn't resolved with simple methods, an auto repair shop will replace and reprogram your key fob.

The ability to lock or unlock with the key fob is the principal purpose of the device, but it also can be used to enable certain features of your vehicle. The key fob can be used to lower or raise the sunroof. This feature is very useful when you are stuck in traffic and need to open your roof. Similarly, the key fob can be used to summon your vehicle when it is located in a tight location.

A key fob's internal circuitry and buttons could fail due to manufacturing defects or wear-and-tear. Signs of this include irregular behavior, or an inability to lock or unlock the car key repair company. Sometimes moisture, or other sources of electromagnetic interference could interfere with the operation of a key fob. If your key fob has become damp or contaminated by dust, it will require cleaning prior to being used again.

If the device continues to behave erratically after replacing the key fob or cleaning the contacts, you may need to perform an initial reset. This will eliminate system issues and restore operation of the device.

If you're unsure of how to do a factory reset on your device, consult the device manufacturer's website or your owner's manual. Certain devices require specialized tools to reset them, however you should find instructions specific to your specific model.

Contacting a mobile locksmith for cars in Apache Junction is another option to solve issues with your key fob. These professionals can replace and program keyfobs for almost all models of cars. Additionally, they can also repair car keys that have chips inside them.