Key Fob Repair: Replacing the Battery

The buttons on key fobs may get damaged and stop working after being jostled in pockets and purses. Replacing the small battery, which most car fobs are equipped with in a snap-out case, can sometimes fix this issue.

However, a new replacement could not be able to revive your key fob if the internal switch contacts are worn out. Fortunately, this is an easy fix you can do 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 that you can perform yourself. It's also a cost-effective fix that could save you the hassle of a professional locksmith or dealership.

The majority of key fobs need batteries that look like coins (CR2032 or similar) which you can purchase at any general store or home improvement store or auto parts stores. The key fobs come with slots for these batteries and it is simple to replace the battery. Depending on the brand, you may have to use a screwdriver to open the compartment.

If your key fob is equipped with clips that keep the batteries in place, remove them with your fingers or other non-metallic tools. Remove the battery that was in use and replace it with the new one, but be cautious to note the orientation so that you can put it in the correct place. It is crucial to avoid touching the battery's flat surfaces since scratches from fingers can decrease their lifespan.

Close the case of the key fob and test its functionality by pressing the button. If it's still not working you might need to open the case again and make sure whether the new battery has been inserted correctly.

It's also possible that a simple battery replacement will not be enough to resolve the issue, for instance physical or electrical injury. In that situation, you'll need bring your key fob to an auto service or dealer center to repair. Before you do this, there are four issues the replacement battery can't fix. You must be aware of these issues, so that you can seek help from a qualified technician when necessary. It is also important to learn how to repair car remote control key a key fob's defective transmitter to find out more about the reasons it may not be working properly.

Clean the Contacts

Cleaning your key fob is essential to its function and life. Over time, natural oils from your fingers and pocket lint can accumulate on the crevices and buttons and may cause keys to cease working completely. It's not difficult to fix - all you need is some ruby alcohol and a cotton swab.

The key fob must be opened first by gently prying the battery out using either a screwdriver or coin. Make sure you note the type of battery it's (negative and positive sides) so that you can re-insert it correctly when you're done.

Then, apply a cotton swab (or a small brush) to clean the buttons and the surrounding areas of the fob. Be sure to pay particular attention to the contacts of the battery and ensure that they are clean. Once you are done, yure, or other sources of electromagnetic interference can interfere with the proper operation of the key fob. If your key fob has been dirty or has become wet, it must be cleaned before you can use it again.

If the device continues to behave in a strange manner after replacing the key fob or cleaning the contacts, you may require a factory resetting. This can clear up bugs in the system and restore the operation of the device.

If you're unsure of how to do a factory reset on your device, check the official website of the manufacturer or your owner's manual. Some devices require special tools to reset them, but you should find instructions for the model you have.

Contacting a mobile locksmith for cars in Apache Junction is another option to fix problems with your key fob. These professionals can program and replace keyfobs for nearly all models of cars. Additionally, they can also repair car keys with chips in the keys.