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One Key Fob Repair Success Story You'll Never Be Able To
Remote Key Fob Repair

Modern vehicles are equipped with a remote key fob that can be used to lock, unlock or start the car. But, like all pieces of high-tech equipment, it can sometimes experience issues.

They are generally easy to fix. You can reset it by following the steps in the manual of your owner.

Check the Battery

The battery of the fob that powers it is responsible for the remote control function. It's a small and inexpensive component that needs to be replaced frequently to ensure that the fob's function is maintained. There are other reasons why your key fob may not be working besides the battery. Physical damage, water exposure or internal component malfunction could be the reason. Regardless of the cause, if your key fob is unresponsive, it's time to replace the battery.

Make sure you have the right size battery. Most modern key fobs are powered by a CR2032 three-volt battery which is easily found in a variety of stores. The majority of these batteries are stamped with the size on one of the fob's edges. A quick search for the name of your vehicle's brand will help you identify the exact kind of battery that it uses.

Once you have the right battery then carefully open the key fob, and then remove the battery. Photograph the inside of the fob before you do this to make sure you put it back together in the correct way. This simple step can save you from buying an entirely new fob if you made an error when putting it back together.

Some key fobs also have a mechanical backup key called an emergency blade. The key blade is situated inside the key fob, and it lets you unlock the driver's door of your vehicle in the event that the remote control fails. In order to access the key blade, you need to locate the notch at the center of your fob. The notch is typically an oval shape that is hidden by the plastic casing of the fob.

If you're looking to be extra vigilant, you can make use of a multimeter to test the voltage of the battery. Most modern key fobs come with an voltmeter in their casings, but you can also get a multimeter for a couple of dollars at many hardware stores. Generally speaking, the battery should read at 3.0 volts or greater. A reading that is lower than this could mean that the battery is on its last legs and needs to be replaced immediately.

Check the Buttons

Car key fobs may seem like nothing more than fancy, high-tech convenience items however, they're not indestructible. They can cease working after some time, particularly if they are used often or if they were subjected to physical abuse. Fortunately, a majority of the times it's easy to diagnose and fix a problem with the remote key fob and replacing the battery is often all that's required.

The majority of modern car keys have multiple buttons for different functions including locking and unlocking doors and activating the panic button and opening the trunk. When a button on the fob is hit, it transmits a radio code to a receiver inside the vehicle. Some fobs also have a button that can start the engine, which is especially handy on cold winter mornings or hot summer days.


Typically, the buttons of keys can be reset by taking the device apart and checking to make sure they aren't broken or stuck. Key fobs aren't usually designed to be disassembled however, the battery connectors on a key fob can become loose over time. Soldering is a method to connect the button contacts to the circuit board if they've been cut off. This will restore the fob's functionality.

In addition, if a fob was damaged or dropped in any other way, the buttons could be broken or out of alignment, or misaligned in any way. These issues are more difficult to repair by yourself. However, key fob repairs can fix them with the right equipment and expertise.

Keep a spare key fob in an area that is secure, just in case the one you use most often stops working. This will to avoid being stuck without your keys or having to pay a lot of money to get the vehicle towing back to the dealer. Check your car insurance, car club membership, or extended warranty coverage for the cost of replacing a new key fob.

Check the Casing

It's not unusual for a keyfob to get wet. It could be the result of an in-ground pool, a downpour, or even from your washing machine. The moisture that results can trigger a myriad of issues with the electronic. The good thing is that a key fob can often be saved from the brink of death by drying it thoroughly and following a few simple steps.

The first step is to ensure that the buttons are working properly. This usually means removing the buttons, cleaning them and rebuilding them. If the buttons don't pop back in or feel stuck, it's probably time to replace the remote.

Examine the case to make sure that nothing is interfering in the operation of the key fob. Utilize tweezers to remove the case and remove the battery but do not disassemble the circuit board or antennas. These batteries have electric current flowing through them that keep the key fob's programming to your car, and if you disturb those circuits, you'll need go to a dealer or choose an Interstate All Battery Center location to re-program the device.

After you've replaced and removed the battery, it's an ideal idea to dry the fob by putting it in a plastic bag containing silica gel packs or other desiccating agent. This will help prevent future moisture problems and will make your key fob more durable.

If, after key fob repairs , the fob isn't functioning properly, you'll need to visit a dealership or an independent shop that specializes in your particular type of vehicle. They can reprogramme the key fob for your particular vehicle, and hopefully restore its full functionality.

If you're not able to find the replacement key fob offered by NAPA can be purchased through the internet or at your local NAPA Auto Parts store. These do-it-yourself-operated remotes look like the original key fob, but are much less expensive and can be easily connected with your vehicle using simple instructions. If you're looking to avoid the expense and hassle of a trip to the dealership, NAPA offers several do-it-yourself replacements that can be programmed in a matter of minutes at your home.

Check the Connections

The key fob you have may stop working even though it is still programmed to work for your vehicle. It could be due to various reasons, including broken battery terminal contacts or buttons. It is possible to solve the issue yourself by performing basic maintenance.

The first thing you need to do is make sure that your backup remote is able to lock and unlock your car's doors. If it can, then you probably have problems with your primary remote. If you still can't do it, try replacing the batteries in your backup remote.

Before replacing the battery it's a good idea to pull off your key fob and perform an inspection of the circuit board. Make sure there are no cracks in the solder joints. After you're finished you can replace the battery in your key fob and reassemble it.

After you have replaced the battery and reassembled your key fob, make sure you test the connection to your vehicle. Use a flathead screwdriver in the notch at the bottom of the key fob. From there, you can break the two pieces of your key fob, and gently remove the circuit board. Insert a new CR2032 3V battery with the negative end facing down. Once you have inserted the board and reassembled your key fob.

If this doesn't work for you, then you have a bigger issue. If this is the case, contact your dealer or a repair shop that is specialized in the car's model. They can identify the issue with a radio frequency test which is a gadget that determines whether or not your key fob transmits a signal to the computer in your car.

I hope this guide has been helpful to anyone having trouble with their vehicle's key fob. If you have any further questions or concerns, don't hesitate to reach us for assistance. We'll be glad to assist you in getting back on the road in Deptford or Cherry Hill!

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