Key Fob Repair: Replacing the Battery

Being tossed around in purses and pockets key fob buttons may deteriorate and fail to register presses with accuracy. This problem can be fixed by replacing the battery that is usually located in the snap-out cases of the majority of car fobs.

If the contacts in your key fob have damaged, a replacement may not be enough to make it work again. Fortunately, this is an easy fix that you can attempt at home:

Replace the Battery

It's possible to change the battery in your key fob if it isn't working properly or takes longer to unlock or lock your car than it does on a regular. It's good news that replacing a key fob battery is one of the easiest tasks you can tackle yourself. It is also an inexpensive fix that can save you a trip to an expert locksmith or dealer.

The majority of key fobs need the use of a coin-type battery (CR2032 or similar) that you can find at any general store or home improvement center or auto parts stores. Key fobs typically have a slot that can accept the batteries, and opening the case to replace batteries is relatively simple. Depending on the manufacturer, you may require an instrument such as a screwdriver to remove the cover from the battery compartment.

If your key fob has clips that hold the batteries in place, gently remove them using your fingers or with non-metallic tools. Install the new battery, making sure to install it correctly. Note its orientation when removing the old one. It is important to avoid touching the battery's flat surfaces since finger marks can reduce their lifespan.

Once the new battery is installed then close the key fob's case and test it by pressing the button to make sure it works. If the key fob still does not work, you'll have to open it again and make sure the battery is properly inserted.

You may also find that a simple replacement of the battery is not enough to fix the problem. This could be caused by physical trauma or electrical damage. In this case, you'll need to bring your key fob to an auto service or dealer center for repair. Before you do that, there are four problems that a replacement battery cannot fix. You must be aware of these issues, to be able to seek assistance from a certified technician when necessary. You should also read about how to repair a key fob's defective transmitter to understand the reasons it may not be working correctly.

Clean the Contacts

Keeping your key fob clean is crucial to its function and lifespan. Over time, the natural oils of your fingertips and pocket lint can build up on the keys' buttons and crevices, and can even cause the keys to stop functioning completely. It's simple enough to fix, though - all you need is some ruby alcohol and a cotton swab.

Open the key fob first by gently prying the battery away with either a screwdriver or coin. Note the type of battery (negative and positive side) so that you can reinstall it correctly.

Then, wet a small or swab with isopropyl (rubbing) alcohol and begin taking off the dirt from all of the fob's buttons and the surrounding areas. Be particular about the battery's contacts, making sure they are free of any grease or dirt. Once you are done, you must allow the fob and its components dry completely.

If your fob isn't functioning even after cleaning, you might need to reset the system. Refer to the owner's manual of your device for instructions on how to do this, and follow them accordingly. This could be able to bring the key fob back to life if the problem was due to the battery being dead.

After the key fob's been cleaned and resynced it is a good idea to ensure regular maintenance. electronic key repair near me can ensure that your key fob functioning for many years by wiping it with a damp towel and mild soap.

Reset the System

Although today's modern key fobs come with more features that are safer, more secure, and are more convenient than they ever were however, they may still experience some issues. Most of the time, these issues aren't too serious or difficult and can be resolved with simple methods, such as changing the battery. If the problem is more serious, or if the issue isn't resolved with simple methods such as a professional auto repair shop can repair and replace the key fob.

Making your car lock or unlock with the key fob is the primary function of the device, but it also can be used to activate some vehicle features. The key fob can be used to lift or lower the sunroof. This feature is useful when you have to open the roof when you are stuck in traffic or your hands are full. The key fob can also be useful in summoning your car when it's parked in an awkward spot.

The internal circuitry of the key fob could fail due to defects in manufacturing or wear and tear. Symptoms include erratic behavior, or a complete failure to lock or unlock the car. Moisture or other electromagnetic interference sources can occasionally interfere with the function of a keyfob. If your key fob has been damaged by dust or been wet, it needs to be cleaned prior to attempting to use it again.

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

If you're not sure the best way to perform a reset then consult the device's owner's manual or manufacturer's site. Certain devices require a specific tool to complete the reset, however, you should be able to find the instructions for your specific model.

Another option for resolving problems with your key fob is to call an Apache Junction mobile car locksmith. These experts are able replace and program key fobs for almost all models of automobiles. They can also repair car keys that have chips inside the keys.
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