Key Fob Repair: Replacing the Battery

When they are tossed around in pockets and purses key fob buttons may get damaged and stop registering presses with accuracy. Replacing the small battery, which the majority of car fobs are equipped with in a snap-out case, can fix this problem.

However, a new replacement may not revive your key fob if the internal switch contacts are worn out. There's an easy fix you can attempt at home:

Replace the Battery

If your key fob is feeling sluggish or takes longer than normal to unlock or lock your vehicle, it could be time to replace the battery. Luckily, replacing the battery of your key fob is one of the easiest tasks you can complete yourself. It's also a cheap solution that will save you a trip to an expert locksmith or dealer.

You can purchase coins-style (CR2032) battery at any auto parts or home improvement general store. Key fobs come with slots for these batteries and it is simple to replace the battery. Depending on the manufacturer, you may need to use a screwdriver or other tool to open the cover for 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. Remove the old battery and install the new one, but be careful to note its orientation so that you can install it correctly. Avoid touching the flat surfaces of the batteries as this can reduce their life.

Once the new battery is installed and the key fob is closed, close its case and test it by pressing the button to ensure it works. If it's still not working, you may need to reopen the fob and verify that the new battery is inserted correctly.

It is also possible that a simple replacement of the battery will not be enough to resolve the issue, for instance physical or electrical trauma. In that situation, you'll need bring your key fob to the dealership or service center to be repaired. However, before doing so, there are four common problems that a battery replacement won't fix. It is essential to be aware of these problems so that you're capable of contacting an experienced technician should you need. You should also read about how to fix a key fob's faulty transmitter to learn more about why it may not be functioning properly.

Clean the Contacts

Maintaining your key fob's cleanliness is crucial to its function and life. Over time, the natural oils of your fingers and pocket lint can build up on the key fob's buttons and crevices and even central locking key repair cause keys to cease working completely. It's easy enough to fix, though all you need is some rubbing alcohol and a cotton swab.

Open the key fob first by gently prying the battery out with either a screwdriver or coin. Be sure to note the type of battery it's (negative and positive sides) so that you can put it back in the correct way when you are finished.

Then, apply a cotton swab (or a small brush) to clean the buttons as well as the surrounding areas of the fob. Make sure to pay special attention to the contacts of the battery and make sure they are clean. Once you are done, make sure to let the fob and its components dry completely.

If your fob doesn't work even after cleaning, you might be required to reset your system. Refer to the owner's manual of your device for instructions on how to do this, and follow them accordingly. 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 keep up with regular maintenance. By wiping it clean with a damp cloth and gentle soap, you can be sure that your key fob will perform well for the years to come.

Reset the System

Although today's modern key fobs have more features that are safer and more convenient than ever before 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 more serious or if the issue isn't resolved using simple methods, a professional auto repair shop can repair and replace the key fob.

The ability to lock or unlock using the key fob is the primary function of the device, but it also can be used to activate certain features of your vehicle. The key fob can be used to lower or lift the sunroof. This feature is very helpful when you are stuck in traffic and need to open your roof. In the same way, the key fob can be used to call your vehicle when it is stuck in a parking spot.

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. Sometimes moisture, as well as other electromagnetic interference sources can affect the operation of a key fob. If your key fob is damaged by dust or been wet, it needs to be cleaned before you can use it again.

If the device continues to behave unpredictably after replacing the key fob or cleaning the contacts, you might have to perform an initial reset. This will help eliminate bugs in the system and restore the operating efficiency of the device.

If you're unsure of how to do a factory reset on your device, check the device manufacturer's website or the owner's manual. Certain devices require special tools to reset them, but you'll need to find the correct instructions for your specific model.

Contacting a mobile locksmith for cars in Apache Junction is another option to resolve problems with your keyfob. They are able to replace and program key fobs on almost all car models. They can also fix keys that have chips.