How To Save Money On Key Fob Repair Key Fob Repair: Replacing the Battery

Being tossed around in purses and pockets keys fobs can get damaged and stop registering presses accurately. This issue can be addressed by replacing the battery that is typically found in the snap-out cases of most car fobs.

However, a fresh replacement may not revive your key fob if the switch's internal contacts are worn out. This is a simple fix you can do at home.

Replace the battery

It may be time to replace the battery if your key fob is slow or takes longer to unlock or lock your car than normal. Fortunately, replacing a key fob battery is one of the easiest tasks that you can do yourself. This is a straightforward fix that will save you money on a trip to the dealership or a locksmith.

Most key fobs require the use of a coin-type battery (CR2032 or similar) which you can purchase at any general store, home improvement center, or auto parts stores. The key fobs come with an opening for these batteries and it is simple to replace the battery. Depending on the manufacturer, you may require a screwdriver or another tool to open the cover of the battery compartment.

If your key fob is equipped with clips that keep the batteries in place, gently remove them using your fingers or non-metallic tools. Remove the battery that was in use and replace it with the new one, but be mindful of its orientation to ensure that you install it correctly. Avoid touching the flat surfaces of the batteries as they can cause damage to their lives.

Close the case of the key fob and test the functionality by pressing the button. If the key fob still isn't working, you might need to open it again and ensure that the battery is inserted correctly.

It is also possible that a simple battery replacement isn't enough to fix the issue, for instance physical or electrical injury. In this case, you will need to bring your key fob to a dealership or auto service center for repairs. But, before doing so, there are four issues that a battery replacement won't solve. It is crucial to be aware of these problems so that you're in a position to find an expert technician in the event of need. You can also learn how to fix the malfunctioning transmitter of a key fob in order to discover the reason it's not working.

Clean the Contacts

It is essential to keep your key fobs clean to ensure their function and durability. Over time the natural oils on your fingers and pockets can build up in key fob's buttons and crevices. This can lead to the keys not to work. It's easy enough to fix all you need is ruby alcohol and a cotton swab.

The key fob must be opened first by gently prying the battery away with either a screwdriver or coin. Note the type of battery (negative and positive side) so you can install it correctly.

Then, wet a swab or small brush with isopropyl (rubbing) alcohol and start taking off the dirt from all the buttons on the fob and the surrounding areas. Pay particular attention to the battery's contacts and make sure they are clean. Once you're done cleaning the fob, let it and its components completely dry.

If your fob isn't functioning even after cleaning, you may want to reset the system. Consult your owner’s manual for instructions on how to reset the system. If the key fob was dead, this could be enough to bring it back to life.


It is crucial to maintain the key fob in good condition after it has been cleaned and resynchronized. You can ensure that your key fob functioning for many years by wiping it with a damp towel and mild soap.

Reset the system

Despite the fact that today's modern-day key fobs are more capable, secure, and convenient than ever, it is possible that they run into some problems. Most of the time these problems aren't major or complicated and can be solved with simple methods, such as changing the battery. If the issue is more severe or the issue can't be solved using simple methods, 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 the sunroof using the key fob. car remote key repair is very useful when you are stuck in traffic and need to open your roof. The key fob is also helpful in bringing your car to life even if it's in an awkward spot.

A key fob's internal circuitry and buttons can become faulty due to manufacturing defects or wear and tear. It could be a sign of erratic behavior or total failure to lock or unlock the car. Moisture or other electromagnetic interference sources may sometimes interfere with the proper function of a keyfob. If your key fob is dirty or wet, or is contaminated by dust, it will require cleaning prior to being used again.

If the device continues to behave in a strange manner after replacing the key fob or cleaning the contacts, you could need to perform the factory reset. This will fix system issues and restore device performance.

If you're unsure how to perform a factory reset on your device, consult the device manufacturer's website or the manual of your owner. Certain devices require a specific tool to complete the reset, but you should be able find instructions that apply to the specific model you have.

Contacting a mobile locksmith for cars in Apache Junction is another option to resolve problems with your key fob. They can repair and program keyfobs for almost all models of cars. They can also fix keys that have chips.