Key Fob Repair: Replacing the Battery

The buttons on key fobs could become damaged and stop functioning properly after being jostled in purses and pockets. Replacing the small battery, which a majority of remote car key repairs fobs have in a snap-out case may fix the issue.

If the contacts in the key fob are damaged, a replacement might not be enough to revive it. This is a simple fix you can perform at home.

Replace the Battery

It's possible to replace the battery if your key fob isn't working or takes longer to unlock or lock your vehicle than it does on a regular. Replacing the battery of your key fob is one of those simple tasks you can do yourself. It's also a cost-effective fix that could help you avoid a trip to a professional locksmith or dealership.

The majority of key fobs require a coin-style battery (CR2032 or similar) which can be found at any general store, home improvement center, or auto parts store. Key fobs typically have a slot that can accept the batteries and opening the case for battery replacement is quite simple. Depending on the brand you will need to use a screwdriver to open the compartment.

Certain key fobs have clips which hold the battery in place; if so then gently lift them up with your fingers or a non-metallic tool. Install the new battery, making sure to install it correctly. Take note of the position when you take out the old one. Avoid touching the flat surfaces of batteries as this could reduce their lifespan.

Once the new battery is installed and the key fob is closed, close its case and test it by pressing the button to confirm it is working. If it doesn't work you might need to reopen the fob and make sure that the new battery is properly inserted.

It's also possible that a simple battery replacement isn't enough to fix the issue, for instance physical or electrical injury. In this scenario you'll be required to bring your key fob to a dealer or auto service center for repairs. Before you do this, there are four issues that replacing the battery won't fix. It is crucial to be aware of the problems so that you're able to seek out a qualified technician if necessary. You should also learn how to repair a key fob's defective transmitter to understand the reasons it may not be working correctly.

Clean the Contacts

It is important to keep your key fobs clean in order to maintain their functionality and longevity. Over time the natural oils on your fingers and pockets can build up in the key fob buttons and crevices. This can cause the keys not to work. All you need is rubbing alcohol, a cotton swab and some alcohol rubbing.

First, open the key fob by gently prying the battery away with the help of a screwdriver or a coin. Make sure to note down the kind of battery it's (negative and positive sides) so that you can insert it again correctly after you're done.

After that you can use a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Be particular about the battery's contacts, making sure that they are free of dirt or grease. Once you are done, be sure to let the fob and its cts, you may require a factory resetting. This will help eliminate system issues and restore operation of the device.

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

Contacting a mobile car key repair near me car locksmith in Apache Junction is another option to resolve problems with your keyfob. These experts are able replace and program key fobs for almost all car models. In addition, they can also repair car keys with chips in the keys.