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Car Key Fob Repairs

Key fobs today do much more than just unlock and start vehicles. But that extra complexity can cause high repair bills in the event that one of them malfunctions.

It's a good idea to know that most fobs are powered by flat watch-style batteries that can be replaced at home. And you may find that a reset can bring it back to life.

Battery Replacement

A dead battery is the main reason for a key fob not working. It's a simple repair, and is worth trying before you spend money on a new fob. Simply take your car to an auto parts store or a hardware retailer that sells button cells and choose the replacement. You can also refer to the owner's manual (or, if 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 your particular type of fob.

Most fobs come with two halves that snap together -- you'll need to gently break the sides to access the battery. You'll typically need a small screwdriver or some other tool equipped with a thin, flat blade. You can wedge your tool into a slot on the bottom of the key fob. You may also want to keep an eye out for tiny pieces that might break loose while you work.

Insert the new battery in the same way you removed the old one. The positive (+) side should be facing the buttons, while the opposite side is facing (-), the markings on the battery compartment.

Press a button to test the fob. If it fails, it could be a problem in your vehicle that requires to be fixed or replaced by a specialist.

Certain key fobs require special tools to open, and the contacts inside could be fragile and easily corroded. In these instances you should consult a specialist in your car or the dealer will likely be the best option. If you're in need of replacing the battery, make sure to be very gentle and follow the instructions that are specific to the owner's manual. You might be able find a similar battery at a discounter or big-box retailer, but you'll need to consult your owner's manual to ensure that it matches your car.

Replace the internal key

To guard against theft, many key fobs have an internal mechanical key that is hidden within. If the battery inside the fob goes out and the key is discarded, a blank one is left behind that can be used to unlock doors and trunks. In certain cases it is possible to start certain vehicles. Most people don't know this however, they can avoid having to go to the dealership by simply replacing the fob 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 important, however. A bad battery can cause damage to the circuitry, causing the fob's failure earlier.

If the issue persists after replacing the battery, it could be a sign that something else is wrong with your vehicle. Check your owner's manual to see if there's an option to reset the fob and bring the fob back to factory programming. If this fails, you'll need visit a dealership or independent shop that specializes vehicle-security systems and key fob programming.

Fobs can also fail because of faulty transmitter receivers. These are usually located near the steering wheel or in the dashboard. They transmit signals to enable you to unlock your vehicle and start it using the fob. If you notice that you're having to get closer and closer to your vehicle in order to make it work, there's a high chance the transmitter is failing.

A professional might have to open the fob's case to replace the transmitter. A simple screwdriver can usually work, however some fobs require a specialized tool or equipment which can only be found at a dealership. This job should be done by a certified mechanic to avoid damaging the fob as well as yourself.

Reprogramming the Key

A key fob that is not functioning simply requires a new battery. These batteries are readily available in home improvement and pharmacy stores and are affordable. This is a good method to start before you purchase the new key fob.

You can also change the programming of your key fob on your own If you follow a few basic steps. This procedure can differ between automobiles, so consult your owner's guide and study the specific model of your vehicle. One key fob could require that the ignition switch be switched on when changing the program. Another may require the key to be removed and inserted several times.

The process is straightforward. Make sure that 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 correctly. Put the old key in the ignition and turn it ON but do not start the engine. Then, press the lock button on the fob, while aiming it at the transmission receiver, which is usually situated on the front of the vehicle above the mirror. In a short period of time the key will announce to the vehicle that it's programmed by triggering the doors' locks or generating an emitted sound. This is a difficult procedure, so pay attention to the timing and avoid pressing too hard the button.

If the key fob does not work after reprogramming, try replacing the batteries. If the issue is still there, you may want to visit your local dealer or locksmith. A professional will have all the tools and equipment required to reprogram the car fob or create a new one if needed.

Genesky says that he can program newer fobs ranging from $200 and $250, based on the vehicle. But he's had to turn away customers with European models due to the fact that he doesn't have the expensive equipment they require. Luckily, the majority of aftermarket fobs can be programmed however it's best to check with a car key repairs dealer first to find out what their price is.

how to repair car key fob do I get a new fob

If your key fob is beyond repair, you might need to get an entirely 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 also has the tools and software necessary to program your car correctly. Numerous locksmiths who are independent offer a brand new car key fob at a much lower price.

Before you rush to get an entirely new device, it is an excellent idea to try resetting your current one. The owner's manual will outline the proper procedure for reset that is typically pushing a few buttons that restores the original programming.

It is an excellent idea to review your owner's manual and warranty information before deciding where to go for an replacement fob for your key. If your vehicle's warranty is still in effect or car key fob repairs you have an auto club or car insurance policy that covers bumper to bumper you could qualify for a reimbursement of the cost of a replacement fob.

Finding the best location to purchase the fob you need can be difficult. It is possible to go to the dealer to get this service if you have a newer vehicle and you want to be confident that your key fobs are functioning correctly. If you're seeking a less expensive alternative, it is possible to find a locksmith who will offer the same service at less cost.

A locksmith professional is a great option If you're not confident doing this kind of work. They are trained and equipped to replace or reprogram car key fobs of all types, and can do so quickly. Locksmiths can also visit your house or office which is a great option for many. They can even cut and program keys on the spot if you have lost them, which is ideal for those who prefer not to leave their vehicles unattended.