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Remote Key Fob Repair

Modern vehicles are equipped with a remote key fob that can lock, unlock and start the car. Like any high-tech piece of equipment, there could be issues.

They are generally easy to repair. It is as easy as resetting it which you should be able to accomplish by following the instructions for resetting in your owner's manual.

Check the Battery

The battery inside 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 functioning. However, in addition to the battery, there could be other reasons your key fob might not be functioning properly. Water exposure, physical damage or internal component failure could be the reason. If your key fob has stopped functioning Replace the battery.

First, ensure you have the right size battery. The majority of modern key fobs are powered by a three-volt CR2032 that is readily available in many stores. The size of many of these batteries is stamped on the outside of the key fob. A quick search for the name of your car's brand should help you locate the specific kind of battery that it uses.

Open your key fob carefully and remove the existing battery. Take a picture of the inside of your fob to ensure you put it back in the correct way. This simple step could save you from needing to purchase a new fob because 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 inside the key fob and it allows you to unlock the door of the driver's seat of your car in the event that the remote control fails. To open the blade of the key, find the notch in the middle of your fob. The notch is typically a circle that's hidden by the fob's plastic casing.

If you want to be extra cautious you can make use of a multimeter to test the voltage of the battery. The majority of modern key fobs have a built-in voltmeter, but you can purchase a multimeter from many hardware stores for a few dollars. In general, the battery should read 3.0 volts and higher. If it is below that level, it could indicate a battery that is in its final stages and should be replaced immediately.

Check the Buttons

Car key fobs might appear like nothing more than fancy, high-tech convenience items however, they're not indestructible. They can cease functioning after a certain period of time, particularly if they are used often or if they have been exposed to physical abuse. Most of the time it is easy to identify an issue and fix it with a remote fob. In most cases all that's required is an updated battery.

Modern car key fobs have multiple buttons that perform different functions. For example, they can lock and unlock the doors as well as activate the panic button, and open the trunk. When a button on the fob is pressed it sends a radio signal to a receiver inside the vehicle. Some fobs also come with a button that will start the engine, which can be particularly useful in cold winter mornings and hot summer days.

The buttons on a key fob reset by taking it apart and checking that they are not broken or stuck. Key fobs aren't usually made to be removed, but the battery connector terminals on a key fob can get loose as time passes. If the button contacts are disconnected from the circuit board, a simple solder job can be enough to get them back into place and allow the fob back to full functionality.

If a fob gets damaged or dropped, the buttons may be damaged, misaligned, or out of alignment. These problems are more difficult to fix by yourself. However a local auto shop can fix them with the right equipment and expertise.

It's always an excellent idea to have a spare fob somewhere in the event that one that you frequently use fails to function. This can help prevent you from being stranded without your keys or having to pay a large amount of money to get the vehicle towed back to the dealer. Check see this site or car club membership or extended warranty coverage for the cost of replacing the key fob.

Check the Casing

It's not unusual for a key fob to get submerged, whether from a pool, rainstorm, or even your washing machine. The moisture that results can cause a variety of malfunctions within the electronic. It's important to be aware that you can save a key fob from destruction by following a few easy steps and thoroughly drying it.

First, make sure that the buttons still work correctly. This usually means removing the buttons, cleaning them and reassembling them. If the buttons don't click back in or feel stuck, it's time to replace your remote.

Examine the case to make sure that there isn't any obstruction to 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. If you damage the circuits that keep your key fob's programming you'll need to visit an Interstate All Battery Center or dealer to reprogram it.

After you've replaced and removed the battery it's a good idea to dry out the fob by putting it in a plastic bag containing silica gel packs or other desiccating agent. This will avoid future problems with moisture and make your key fob more robust.

If the fob still doesn't work, you can visit a dealership or an independent shop, that is focused on the model and make of your vehicle. They can reprogram the key fob for your vehicle and hopefully restore it to full functionality.

If all else fails then you can purchase an alternative keyfob online or at your local NAPA Auto Parts shop. These do-it yourself remotes are similar to the factory fob but much more affordable. They can be easily paired to your vehicle by following simple instructions. If you'd like to avoid the high cost and hassle of a trip to the dealership, NAPA offers several do-it-yourself replacements that can be re-programmed within a matter of minutes at home.

Check the Connections

Occasionally your key fob might simply stop working, even though it's still connected to your vehicle. This could be due a variety of reasons, including broken battery terminal contacts or buttons. You may be able solve the issue yourself by performing basic maintenance.





The first thing to do is ensure that your backup remote can lock and unlock the doors of your car. If it does, you may have a problem in your main remote. If you still can't do it, you can try replacing the batteries in the backup remote.

It's a good idea to take apart your key fob prior to replacing the battery and then inspect the circuit board. Make sure there are no cracks in the solder joints. When you're done you can replace the battery and reassemble the key fob.

After you have replaced the battery and reassembled your key fob, make sure you test the connection to your vehicle. Insert a flathead mini screwdriver into the notch on the bottom of the key fob. Then, you can break your key fob's two halves and gently remove the circuitboard. Be careful when inserting a new CR 2032 3V battery, ensuring that it's placed with the negative side facing downwards. After you have reinserted the board, you can reassemble your key fob.

If this does not resolve the issue, you might have a larger issue. In this case, call your dealer or a service shop that is specialized in the car's model. They can identify the issue using a radio-frequency tester, a device which determines the frequency at which your key fob transmits a signal to the car's computer.

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