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Car Key Fob Repairs

Key fobs today can do more than unlock and start cars. This added complexity can result in costly repairs if it breaks.

The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. You might find that a simple reset will make your fob work again.

Battery Replacement

The most common reason that a key fob doesn't work is due to an inoperative battery. This is easy to repair, and is worth trying before you decide to spend money on a new fob. You can buy an additional button cell battery at a local auto part store or hardware retailer if you have one. You can also refer to the owner's manual (or, if you don't have one, YouTube is full of videos from people who show you 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 pry apart the sides of most fobs to access the battery. You'll typically need a small screwdriver or a different tool that has a flat, thin blade. It may be helpful to look for a notch on the bottom of the fob that you can place your tool between. It is also advisable to be on the lookout for small pieces that could fall off while working.

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

You can push a button to test the fob. If it fails, it may be a problem with your vehicle that requires to be fixed or replaced by a professional.

Certain key fobs require specific tools to open and close them, and the contacts inside may be delicate and easily corroded. In these cases the best choice is to consult a car expert or a dealer. When replacing a battery be gentle and follow your owner's instructions. You may be able find an identical battery at a big-box retailer or discounter, but make sure you check your owner's guide to ensure it is compatible with your vehicle.

Replacing the Internal Key

Most key fobs contain a physical mechanical key, but it's hidden inside the fob to keep it from being stolen. If the battery inside the fob fails and the key is discarded, a blank one is left behind that can be used to unlock trunks and doors. In some instances it is possible to start certain vehicles. A majority of people don't realize they can avoid a trip to the dealership by replacing the fob batteries. The flat watch-style battery is found in most modern fobs. They can be located at hardware and auto parts stores. The right kind of battery is crucial however. A bad battery can cause damage to the circuitry, causing the fob's failure much sooner.

If you try replacing the battery and find the issue is still there, it could be a sign something else is happening in your vehicle. Go through the owner's manual to determine if you have a reset procedure that will bring the fob back to factory-setup. If this fails, you'll need to visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.

Fobs may also malfunction because of faulty transmitter receivers. They are typically located on the dashboard or close to the steering wheel, and they transmit signals that allow you to open and start your car with the fob. If you're having to get closer and closer to your vehicle in order to make it work, there's a good chance the transmitter is failing.

It may be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver can usually accomplish the task, but some fobs have complicated release mechanisms that require a specific tool or specialized equipment that is available only through a dealer. This job must be handled by a certified mechanic in order to avoid damaging the fob and yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working simply needs a fresh battery. These batteries are easily found in home improvement and pharmacy stores and are cheap. This is a good way to start before buying a new key fob.

You can also change the programming of your key fob on your own If you follow some basic steps. The procedure varies for different vehicle makes, so it's important to refer to the owner's manual and research the specifics of your model. For instance one key fob could require that the ignition be on while reprogramming it. One key fob could require the key to be inserted multiple times.

The procedure is easy. Make sure the battery is securely in place. Then, get in the driver's seat and close all doors, excluding the driver's side door. This will ensure that the new key fob can communicate with the vehicle properly. Then, place the old key back in the ignition and switch it to the ON position, but do not start the engine. Then press the lock button on the fob while looking at the transmission receiver, which is usually situated on the front of the car key fob repair service above the mirror. Within a brief time the key will announce to the vehicle that it's been programmed by cycling the doors' locks or emitting a chime. This is a difficult process, so pay close attention to timing and don't over-press the button.

If the key lock repair near me fob does not function after reprogramming, you can try replacing the batteries. If the issue persists then a visit to your dealer for your car or locksmiths should be considered. A professional will have all the tools and equipment needed to reprogram the car fob or design a new one, if required.

Genesky says he can usually program newer fobs at around $200 to $250, based on the car. However, he's had to refuse customers with European models because there's no equipment required. Most aftermarket fobs can be programmed, but always consult your local car dealer to find out the cost.

Getting a New Fob

If your key fob is simply damaged beyond repair, you could need to purchase a new one. Depending on the brand and model, the dealer or an auto locksmith may be able to help. The dealership is likely to be the most expensive choice for a replacement fob but it will also have the tools and software needed to program your car correctly. Many independent locksmiths offer a new car key fob at the lower cost.

It is a good thing to try to reset the fob you have before you make the decision to purchase an entirely new one. The owner's manual should explain the proper procedure for reset that is typically pushing a few buttons which restores the factory settings.

It's recommended to review your owner's manual and warranty information before you decide which place to go for the replacement of your key fob. If your car is still under warranty or you have a car key repair-insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of a new fob.

Finding the best location to purchase a fob can be difficult. If you have a relatively new car and want the security from knowing that your key fobs are in good working condition, you may prefer going to the dealership for this service. However, if you're looking for an option that is more affordable it is usually possible to find an independent locksmith who can provide the same services at a much lower cost.

A locksmith professional is a good option If you're not confident doing this type of work. They are skilled and equipped to replace or reprogram all kinds of car key fobs and often, they can accomplish the task in a short time. In addition, a locksmith is often able to come to your office or home to complete the task which is convenient for some people. They can cut keys and program them on the spot in case you've lost keys. This is great for those who don't want to leave their vehicle without a key.