Key Fob Repair: Replacing the Battery

Getting jostled around in pockets and purses, key fob buttons can get damaged and stop registering presses reliably. Replacing the battery, which most car fobs are equipped with in a snap-out bag, may fix the issue.

But, a new one is not likely to restore your key fob if the internal switch contacts are worn out. Fortunately, this is an easy fix that you can do at home:

Replace the battery

If your key fob is feeling sluggish or takes longer than usual to unlock or lock your vehicle, it could be time to replace the battery. The replacement of a key fob's battery is one of the 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 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 easy to replace the battery. Depending on the manufacturer, you may require a screwdriver or other tool to open the cover for the compartment for batteries.

If your key fob comes with clips that keep the batteries in place, remove them using your fingers or non-metallic tools. Install the new battery, taking care to place it in the correct way. Be aware of its position when you take out the old one. Avoid touching the flat surfaces of the batteries as they can cause damage to their lives.

After the new battery has been installed then close the key fob's case and test it by pushing the button to ensure it works. If the key fob does not work, you'll need to open it again and verify that the battery is correctly inserted.

You may also find that replacing the battery is not enough to fix the problem. This could be caused by electrical damage or physical trauma. In that case, you'll need to bring your key fob to the dealership or service center to be repaired. Before you do, there are four issues a replacement battery cannot fix. It is crucial to be aware of these problems so that you're in a position to find an experienced technician should you need. It is also important to learn how to repair a defective key fob transmitter to find out more about why it may not be working correctly.

Clean the Contacts

It is essential to keep your key fobs clean in order to maintain their function and durability. Over time the natural oils on your fingers and pocket dust can accumulate in the key fob buttons and crevices. This can cause the keys not to work. It's simple enough to fix, though all you need is rubbing alcohol and a cotton swab.

First, open the key fob by gently prying the battery away with either a screwdriver or coin. Make sure you note the kind of battery it is (negative and positive sides) to ensure that you put it back in the correct way when you are finished.

After that then, make use of a cotton swab (or a small brush) to clean the buttons and surrounding areas of the fob. Pay special attention to the battery contacts, making sure that they are free of dirt or grease. Once you're done cleaning the fob, let it and its components completely dry.

If your fob doesn't work even after cleaning, you might need to reset the system. Refer to the owner's manual of your device for directions on how to do this, and follow them accordingly. This may be able to bring the key fob back to normal if the issue was due to a dead battery.

It is important to maintain the key fob regularly after it is cleaned and resynchronized. You can ensure that your key fob is working well for many years by wiping it clean using a damp towel and mild soap.

Reset the System

Even though today's high tech key fobs have more features, are safer, and are more convenient than ever but they are still susceptible to some problems. The majority of these issues aren't too serious or difficult and can be resolved with simple solutions, like changing the battery. If the issue is more severe, or if the issue cannot be resolved by simple solutions such as a professional auto repair shop can repair and replace the key fob.

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

The key fob's internal circuitry and buttons could fail due to manufacturing defects or wear and tear. The signs are erratic behavior or the complete inability to lock or unlock the car. Moisture or other electromagnetic interference sources can sometimes affect the function of the keyfob. If your key fob has been damaged by dust or become wet, it should 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 need to perform a factory resetting. This will help eliminate bugs in the system and restore the performance of the device.

If you are unsure of how to repair car key fob to reset your device then consult the device's owner's guide or the manufacturer's website. Some devices require a special tool to complete the reset but you should be able to find the instructions for your specific model.

Another option to resolve problems with your key fob is to contact an Apache Junction mobile car locksmith. These professionals can repair and program keyfobs to fit almost all models of cars. Additionally, they can also repair car keys with chips in the keys.