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Key Fob Repair: Replacing the Battery

Getting jostled around in pockets and purses keys fobs can deteriorate and fail to register presses with accuracy. This issue can be resolved by replacing the small battery that is usually found in the snap-out case of the majority of car key repairs fobs.

If the contacts inside your key fob have damaged, a replacement might not be enough to make it work again. There's an easy fix you can attempt at home:

Replace the Battery

If your key fob feels slow or takes longer than usual to unlock or lock your vehicle, it could be time to replace the battery. Replacing a key fob's battery is among those easy tasks you can complete yourself. This is a simple fix that will save you money when you go to the dealership or locksmith.

You can buy coins-style (CR2032) battery at any auto parts or home improvement store, or general retailer. Key fobs come with an opening for these batteries and it is simple to replace the battery. Based on the brand you might need to use a screwdriver to open the compartment.

If your key fob has clips that keep the batteries in place, gently remove them with your fingers or non-metallic tools. Remove the old battery and install the new one, but be cautious to note the orientation so that you can put it in the correct place. Avoid touching the flat surfaces of the batteries as this could reduce their lifespan.

Close the case of the fob's key and test the functionality by pressing the button. If the key fob does not work, you'll have to reopen it and verify that the battery is inserted correctly.

It could also be that replacing the battery is not enough to fix the problem. This could be due to physical or electrical trauma. In this case you'll need to bring your key fob to a dealership or auto service center for repairs. Before you do, there are four issues a replacement battery cannot fix. You must be aware of these issues to be able to seek help from a qualified technician if you need it. You can also find out how to fix the defective transmitter of a key fob in order to determine the reason why it's not working.

Clean the Contacts

Keeping your key fob clean is vital to its functionality and longevity. Over time, the natural oils of your hands and pockets can build up on the key fob's buttons and crevices, and can even cause keys to stop functioning completely. It's not difficult to fix all you need is ruby alcohol and a cotton swab.

First, you need to open the key fob by removing the lid off using the help of a coin or screwdriver and gently prying out the battery. Note the kind of battery (negative and positive sides) so that you can install it correctly.

Then, wet a cotton small or swab with isopropyl (rubbing) alcohol and start taking off the dirt from all the buttons on the fob and the surrounding areas. Make sure to pay special attention to the battery's contacts and ensure 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 want to reset the system. Refer to the owner's manual of your device for instructions on how to do this and follow them. If the key fob was dead, this could be enough to bring it back to life.

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

Reset the system

Despite the fact that today's high-tech keys fobs are more capable and secure than ever, it is possible for them to encounter certain problems. Most of the time, these issues aren’t serious or complex and can be solved with simple methods, such as changing the battery. If the issue is more serious or is not resolved with simple methods, an auto key repair repair shop will replace and reprogram your key fob.

The primary function of the device is to lock or unlock your car key repair service, but you can also make use of it to enable certain features of your vehicle. One example is the ability to lower or raise a sunroof with the key fob. This feature can be very beneficial if you need to open the roof when stuck in traffic or when your hands are full. The key fob can be used to call your car when it's stuck in a parking location.

A key repairs fob's internal circuitry and buttons may fail due to manufacturing defects or wear and tear. The signs are erratic behavior or the complete inability to lock or unlock the car. Sometimes moisture, as well as other electromagnetic interference sources could interfere with the operation of a key fob. If your key fob has become dirty or wet, or is contaminated by dust, it's likely to require cleaning prior to being used again.

Replacing the battery of your key fob or cleaning the contacts could fix a malfunctioning device, but if the device persists to operate in a erratic manner it may be necessary to do a factory reset. This can fix system-related issues and improve the performance of your device.

If you're not sure how to perform a reset, consult your device's owner's manual or the manufacturer's website. Certain models require a specific tool to complete the reset, but you should be able locate instructions that are applicable to your specific model.

Another option to resolve problems with your key fob is to contact an Apache Junction mobile car locksmith. These experts are able replace and program key fobs on almost all models of automobiles. In addition, they can also repair car keys (efactgroup.com explained in a blog post) with chips in the keys.