5 Common Phrases About Car Key Fob Repair You Should Avoid

5 Common Phrases About Car Key Fob Repair You Should Avoid

Car Key Fob Repairs

Key fobs today can do much more than unlock and start vehicles. However, that added complexity can result in costly repairs if one of them breaks.

The good news is that the majority of fobs are equipped with flat-watch-style batteries that are easy to replace at home. You might find that a simple reset can make your fob work again.

Battery Replacement

The most frequent reason why a key fob stops working is because of a dead battery. It's easy to repair and worth a try before you purchase a replacement fob. Simply drive your car to a local hardware or auto parts retailer that sells button cell batteries and pick up an alternative. You can also check the owner's manual (or in the case that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions on opening and replacing the battery in the specific type of fob you have.


You'll need to gently pull apart the sides of most fobs to access the battery. You'll usually need a small screwdriver or a different tool that has a flat, thin blade. It might help to look for a notch on the bottom of the fob which you can place your tool between. You might also want to be on the lookout for small pieces that could be loosened while working.

When you have your new battery, insert it the same way that you removed the previous one. Make sure that the positive (+) side is facing up towards the buttons, and that the negative (-) side of the battery is aligned correctly with the markings inside the battery compartment of your fob.

Push a button to test the fob. If it doesn't, there could be an issue with your car that requires a specialist to fix or replace.

Some key fobs require special tools to open and close, and the connections inside could be fragile and easily corroded. In these instances the best solution is to consult a car expert or dealer. When replacing a battery, be patient and follow your owner's guide. You might be able to find an identical battery in a big-box store or discounter, but make sure to check the owner's manual to make sure it's compatible with your vehicle.

Replace the internal key

Most key fobs include an actual mechanical key that is hidden within the fob to prevent thieves. When the battery in the fob dies it will leave an internal key blank that can unlock doors and trunks (and in some cases, start certain vehicles). Most people aren't aware of this however, they can save themselves from a trip to the dealer by simply replacing the fob's battery. The flat watch-style battery is found in the majority of modern fobs. They can be found at hardware stores and auto parts stores. The right kind of battery is crucial however. A wrong battery can harm the circuitry and cause the fob's failure much sooner.

If the issue persists after replacing the battery, it could be a sign that something else is going on with your vehicle. Check your owner's manual to determine if there's a reset procedure that can restore the fob to factory programming. If this doesn't work, you'll need to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also fail due to faulty transmitter receivers. These are usually located near the steering wheel or on the dashboard. They transmit signals to enable you to unlock your vehicle and start it using the fob. If you notice that you're required to move closer and closer to your car in order to make it work, there's a great possibility that the transmitter is not working.

It may be required for a professional to access the case of the fob to replace the transmitter. A simple screwdriver can usually get the job done however, some fobs have complicated release mechanisms that require a specific tool or specialized equipment that is available only at a dealer. It's best to have a certified mechanic handle this job to ensure you don't accidentally break the fob or cause injury to yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working simply needs a fresh battery.  broken car key repair near me  are easily available in both pharmacy and home improvement stores and are inexpensive. This is a great method to start before you purchase the new key fob.

Alternatively, you may be able to program the fob on your own by following some basic steps. The procedure may differ for different vehicles, so it is recommended to read the owner's manual and research the model you have. For example the key fob might require the ignition to be on while reprogramming it. One key fob may require the key to be inserted multiple times.

The procedure is simple. Make sure the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure the new fob is communicating with the vehicle in a correct manner. Put the old key in the ignition, then turn it ON, but do not start the engine. Next, press the lock button on the fob, while aiming it at the transmission receiver, which is usually located on the front of the car above the mirror. The key will signal to the vehicle within a short amount of time that it is being programmed. This can be done by turning the door locks or by emitting an audible chime. This can be a difficult process and it's crucial to be aware of the timing and to not over-press the key button.

If the key fob does not function after reprogramming, you can try using new batteries. If the problem persists then a visit to your dealer for your car or a locksmith should be considered. A professional will have all the tools and equipment to reprogram the car fob, or even create a brand new one if necessary.

Genesky says he's able to program newer fobs for around $200-$250, depending on the model of vehicle. But he's had to refuse customers with European models due to the fact that they don't have the costly equipment they require. Fortunately, many aftermarket fobs are programmable however it's recommended to consult a car dealer first to determine what their price is.

Finding a New Fob

If your key fob is beyond repair, you may require a new one. Depending on the brand and model, a dealership or an auto locksmith may be able to help. The dealership is likely to be the most expensive option for a replacement fob but it also has the tools and software necessary to program your car properly. If you're looking for a cheaper option, a number of independent locksmiths can provide you with an entirely new car key fob at a lower price.

Before you rush to get an entirely new device, it is a good idea to try resetting your current one. The owner's manual should outline the correct method of reset. It is typically an orderly press that restores the factory programming.

It's recommended to check the owner's manual and warranty information prior to deciding where to go for an replacement fob for your key. If your vehicle is under warranty or you have a car-insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be eligible to receive a reimbursement for the cost of a new fob.

Finding the best place to get the fob you need can be difficult. It is possible to visit the dealer for this service if you have a newer car and you want to be confident that your key fobs are functioning correctly. However, if you're looking for a more affordable option, it is often possible to find an independent locksmith who can provide the same service for a significantly lower price.

A locksmith who is professional is a great option for those who aren't comfortable with this type of work. They are trained and equipped to replace or reprogram the majority of car key fobs, and often, they can do it quickly. A locksmith can also visit your office or home, which is convenient for many people. They can also cut and program keys on the spot if you've lost keys. This is perfect for those who don't like to leave their car without a key.