Don't Forget Key Fob Repair: 10 Reasons That You No Longer Need It

· 6 min read
Don't Forget Key Fob Repair: 10 Reasons That You No Longer Need It

Remote Key Fob Repair

Modern vehicles are equipped with a remote control that can be used to lock, unlock and start the vehicle. Like any high-tech piece of equipment, there are problems.

These are usually very easy to repair. It is as easy as resetting it which you should be able do by following the resetting guidelines in the owner's manual.

Check the Battery

The battery in the key fob powers the remote control function. It's a tiny and affordable part that should be replaced frequently to ensure the fob's functionality. However, in addition to the battery, there could be other reasons your key fob may not be working. Water exposure, physical damage or internal component failure could be the cause. Whatever the cause the key fob's sensor is not responding, it's time to replace the battery.

First, ensure that you have the correct size battery. Nearly all modern key fobs utilize a common three-volt CR2032 battery that is easily accessible at a variety of stores. The majority of these batteries are engraved with the size on one of the edges of the fob. A quick search for the name of your car's brand will help you identify the exact type of battery you need.

The fob must be opened carefully and take out the original battery. Take a photograph of the inside of the fob to ensure you put it back together correctly. This simple step will save you from having to purchase an entirely new fob because you made a mistake when putting it back together.

Some key fobs have a mechanical backup key known as an emergency blade. The key blade is within the key fob and allows you to unlock the door of the driver's seat of your vehicle in the event that the remote control fails. To access the blade of the key, you must find the notch in the middle of your fob. The notch is usually a circle hidden by the plastic casing of the fob.

If you'd like to test the battery's voltage using more care, use the multimeter. The majority of modern key fobs come with an integrated voltmeter, however you can purchase a multimeter at many hardware stores for a few dollars. In general the battery should read 3.0 volts or more. If it reads lower than that, it could mean that the battery is in its last days and needs to be replaced immediately.

Check the Buttons

Car key fobs might appear to be nothing more than modern, high-tech gadgets however they're not impervious to damage. It's not uncommon for remotes to fail after a certain time, especially when the vehicle is being frequently used or if there's lots of physical abuse involving it. In most cases it is easy to identify the issue and fix it by using the remote fob. Most of the time all that's required is an upgrade to the battery.

Modern car key fobs have numerous buttons that serve different functions. For instance they can be used to lock and unlock the doors and activate the panic button, and even open the trunk. When a button on the fob is hit, it sends a radio signal to a receiver within the vehicle. Some fobs include an option to start the car, which is particularly useful in cold winter mornings as well as hot summer days.

Typically, the buttons on the key fob can be reset by snapping the device apart and then checking to ensure they're not broken or stuck. The battery connector terminals on a key fob may become loose over time, even though they aren't designed to be removed. Soldering is a method to connect the button contacts to the circuit board in case they have been disconnected. This will bring back the fob's functionality.

If a fob gets damaged or dropped, the buttons could be damaged, misaligned, or out of alignment. These kinds of issues are generally more difficult to solve on your own, however, they can be fixed by a local auto shop with the right equipment and experience.

It's always recommended to keep an extra fob in the event that one you regularly use stops working. You'll be able to avoid being in the middle of nowhere without your keys, or paying for a large amount to have your vehicle taken to the dealer. Check your car insurance or car club membership or extended warranty coverage to determine the cost of replacing a replacement key fob.

Check the Casing

It's not uncommon for the key fob to become wet, whether from a pool, a rainstorm, or even your washing machine. The moisture that results can trigger a myriad of malfunctions within the electronics. The good part is that keys can typically be saved from the brink of death by drying it thoroughly and following a few simple steps.



The first step is to make sure the buttons are still functioning properly.  visit the website  involves taking out the buttons, cleaning them, and rebuilding them. If the buttons aren't functioning or pop in, it may be the time to replace your remote.

It is also important to inspect the case to make sure nothing is interfering with the functioning of the key fob. Remove the case using tweezers and take out the battery. Don't disassemble the circuit board or antennas. These batteries have electric current flowing through them that keeps the key fob's programming to your vehicle, and if you disturb those circuits, you'll need to go to a dealer or choose an Interstate All Battery Center location to re-program the device.

After you've removed and replaced your battery, it is recommended to dry the key fob by placing it in the bag of a plastic bag with silica gel packets. This will prevent future moisture issues and make the battery last longer.

If the fob doesn't work, you should visit a dealership or an independent shop, that is specialized in the model and make of your vehicle. They can reprogram the key fob to your vehicle and hopefully return it to full functionality.

If you're not able to find a replacement key fob from NAPA can be purchased online or at your local NAPA Auto Parts store. These DIY remotes function just like the factory fob but much cheaper. They can be easily connected to your vehicle with simple instructions. If you want to skip 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

Your key fob might cease to function even though it's programmed for your vehicle. This could be due many reasons, including damaged battery terminal buttons or contacts. If this is the case, you might be capable of fixing it yourself by carrying out basic maintenance.

The first thing you need to do is ensure that your backup remote can lock and unlock the doors of your car. If it can't, you probably have problems with your primary remote. If you're still having trouble doing it, try replacing the batteries in the backup remote.

Before you replace the battery it's a good idea to pull off your key fob and perform a visual examination of the circuit board. You'll want to ensure that there aren't any damaged solder joints that need to be re-soldering. After you're finished replacing the battery in your key fob and put it back together.

Once you've replaced your battery and reassembled your key fob, you're now ready to test the connection to your vehicle. Use a flathead screwdriver in the notch at the bottom of the key fob. From there, you can pry apart the two halves of your key fob, and gently remove the circuit board. Carefully insert a new CR 2032 3V battery, making sure that it's placed with the negative side facing downwards. Once you've successfully inserted the circuit board, put it back together and try again.

If this doesn't work, there is a bigger problem. If this is the case, contact your dealer or a service shop that is specifically geared to your car's make. They can identify the issue with a radio-frequency analyzer, which is a device that can determine whether your key fob sends a signal to the car's computer.

Hopefully, this guide was helpful for anyone having issues with their vehicle's key fob. Contact us if you have any questions or concerns. We'll be glad to help you get back on the road again in Deptford or Cherry Hill.