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7 Simple Tips For Rocking Your Key Fob Repair
Remote Key Fob Repair

Modern vehicles are equipped with a remote control that can be used to lock, unlock, or start the vehicle. But, like all pieces of modern technology it is not without its own problems.

Usually, they are easy to fix. You can reset it by following the directions in your owner’s manual.

Check the Battery

The battery in the key fob powers the remote control function. The battery is a small, inexpensive part that needs to be replaced on a regular basis to ensure the function of the device. But, aside from the battery, there are other reasons your key fob may not be working. Physical damage, water exposure or internal component failure could be the reason. Whatever the reason, if your key fob is unresponsive and is not responding, it's time for a replacement battery.

Ensure you have the correct size battery. Nearly all modern key fobs utilize the CR2032 CR2032 battery, which is a standard three-volt unit that is easily accessible at a variety of stores. The size of the majority of these batteries is engraved on the outside of the key fob. You can find the type of battery your vehicle requires by searching for the brand name.

When key repairs have the correct battery take a moment to open your key fob and remove its existing battery. Take a photograph of the inside of your fob to ensure that you put it back together correctly. This simple step could save you from having to purchase a replacement fob if you make an error while making it.

It is also important to know that some key fobs have an alternate mechanical key, also known as an emergency blade. It's located inside the fob's key and allows you to open your car's driver's side door in the event that your remote control isn't working. To access the key blade, you need to locate the notch that's in the center of your fob. The notch is usually covered by the plastic casing of the fob.

If you're looking to test the battery's voltage with more care, use the multimeter. The majority of modern key fobs come with a built-in voltmeter, but you can get a multimeter at most hardware shops for a few bucks. Generally, the battery should read at 3.0 volts or higher. If it is below that level, it could indicate that the battery is in its final stages and should be replaced immediately.

Check the Buttons

Car key fobs may seem to be nothing more than, high-tech convenience items however they're not impervious to damage. Remotes can stop functioning after a certain period of time, particularly when they are frequently used or if they have been subjected to physical abuse. Fortunately, a majority of the times, it's simple to diagnose and fix a problem with remote key fobs, and replacing the battery is typically all that is required.

Modern car key fobs have multiple buttons that perform different functions. For instance, they can be used to lock and unlock the doors, activate the panic button, and even open the trunk. When a button on the fob is hit, it sends a radio code to a receiver within the vehicle. Some fobs also include a button to start the engine, which is particularly useful during cold winter mornings or hot summer days.

Typically, the buttons of a key fob can be reset by snapping the device apart and then checking to ensure they aren't broken or stuck. Key fobs aren't usually designed to be taken apart however, the battery connectors on a key fob may be loose as time passes. Soldering is a method to connect the button contacts to the circuit board if they've been cut off. This will allow the fob to function again.

In addition, if a fob was damaged or dropped in some other way, the buttons might be damaged or out of alignment, or misaligned. These types of issues are usually more difficult to repair on your own but can usually be addressed by a local auto shop that has the right equipment and experience.

It's always an excellent idea to have an extra key somewhere in the event that one of the ones you regularly use stops working. You can avoid being stranded in the in the middle of nowhere with no keys, or having to pay a lot to have the vehicle transported to the dealer. Make sure to check your car insurance, car club membership, or extended warranty coverage to determine the cost of replacing a replacement key fob.

Check the Casing

It's not unusual for a keyfob to get wet. This can happen from a swimming pool, a downpour or even from your washing machine. The moisture that is resulting can cause a range of malfunctions within the electronic components. The good part is that keys can typically be kept from death's edge by drying it thoroughly and executing a few simple steps.

First, make sure whether the buttons are working properly. This usually means removing the buttons, cleaning them and reassembling them. If the buttons are stuck or don't appear to be able to open, it could be the time to replace your remote.

Check the case to ensure that there is nothing blocking the operation of the key fob. Open the case with tweezers, and then remove the battery. Don't disassemble the antennas or circuit board. These batteries have electric current flowing through them, which keeps the key fob's programming to your car, and should you disrupt these circuits, you'll need to go to a dealer or choose an Interstate All Battery Center location to re-program the device.

After you have replaced and removed your battery, it is an ideal idea to dry the key fob by placing it into a plastic bag containing silica gel packets. This will prevent any future moisture issues and make the battery last longer.

If the fob does not work, you should visit a dealership, or an independent shop that specializes in the make and model of your vehicle. They can reprogram the key fob for your particular vehicle and hopefully restore it to full functionality.

If nothing else works then you can purchase an additional keyfob online, or in your local NAPA Auto Parts shop. These do-it-yourself-operated remotes look like your factory fob, but are much more affordable and can be easily connected with your vehicle using simple instructions. NAPA offers a number of replacements that can be programmed in a matter of minutes.

Check the Connections

The key fob you have may cease to function even though it is still programmed to work for your vehicle. This could be due to many reasons, including damaged battery terminal buttons or contacts. It is possible to solve the issue yourself by performing a simple maintenance.

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

It's a great idea to disassemble your key fob prior to replacing the battery and then inspect the circuit board. You'll want to ensure that there aren't any broken solder joints that must be re-soldering. Once you're done replacing the battery in your key fob and reassemble it.

Once you've replaced your battery and reassembled your key fob, it's now time to test out its connection to your vehicle. Insert a flathead mini screwdriver in the notch at the bottom of the key fob. From there, you'll be in a position to take apart the two halves of your key fob and gently remove the circuit board. Carefully insert a new CR 2032 3V battery, ensuring that it is placed with the negative side facing downwards. After you have reinserted the board you can put it back together. key fob.


If this doesn't resolve the issue, you might have a bigger issue. If this is the case, contact your dealer or a service shop that specializes in your car's make. They can determine the problem with a radio-frequency analyzer, a device which determines whether your key fob sends a signal to the car's computer.

This guide will be helpful to anyone who is having issues with their car key fob. If you have any other questions or concerns, don't hesitate to reach us for assistance. We'll be glad to assist you getting back on the road in Deptford or Cherry Hill!

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