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10 No-Fuss Ways To Figuring Out Your Car Key Fob Repair
Car Key Fob Repairs

Key fobs today can do more than unlock and start vehicles. This added complexity could lead to expensive repair bills when it fails.

The good news is that the majority of fobs use flat watch-style batteries that are simple to replace at home. And you may find that a reset can make your device work again.

Battery Replacement

A dead battery is the most frequent cause of the fob's key not working. car key fob repair 's a simple repair, and is worth trying before you spend money on a new key fob. You can buy the new button cell at your local auto part retailer or hardware store If you own one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to open and replace the battery in your fob.


Most fobs have two halves that snap togetherYou'll need to pull the sides apart to get to the battery. You'll typically need a small screwdriver or another tool with a thin, flat blade. It's a good idea to look for a notch on the lower edge of the fob that you can use to wedge your tool between. It is also advisable to look out for tiny pieces that may come loose while working.

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

Push a button to test the fob. If it doesn't, you may have an issue with your vehicle that requires a specialist to repair or replace.

Some key fobs require special tools to open and close them, and the contacts inside may be delicate and easily corroded. In these instances the best solution is to speak with a expert or dealer. When replacing a battery, be patient and follow your owner's manual. You may be able find an identical battery at a big-box retailer or discounter, but make sure you check the owner's manual to make sure it is compatible with your vehicle.

Replace the internal key

To prevent theft, most key fobs are equipped with an electronic key inside. When the battery in the fob goes out it will leave a blank key left behind and can be used to unlock doors and trunks. In some instances it is possible to start certain vehicles. The 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 the majority of modern fobs. They can be found at hardware and auto parts stores. It is essential to choose the right type of battery. The wrong kind can damage the electronic circuitry and cause the fob to fail much sooner.

If you replace the battery and discover that the issue persists it could be a sign something else is happening with your car. If you have an owner's guide look for there is a reset option available to restore the fob's original programming. If this doesn't help you'll have to go to a dealership or an independent shop that specializes in vehicle security systems and fob programming.

Fobs may also fail because of faulty transmitter receivers. These are usually located close to the steering wheel or in the dashboard. They transmit signals to allow you to unlock your vehicle and start it using the fob. You may need to get closer to the car to get it to work.

A professional might need to open the case of the fob to replace the transmitter. A simple screwdriver will usually accomplish the task however some fobs come with complex release mechanisms that require a special tool or equipment that is available only at a dealer. It's best to have a qualified mechanic handle this job to ensure you don't damage the fob or injure yourself.

Reprogramming the Key

A key fob that is not working may simply need a new battery. They are easily available in home improvement and pharmacy stores and are affordable. This is a great way to start before buying a new key fob.

You can also re-program your key fob by yourself by following a few basic steps. This process varies between vehicle manufacturers, so it is important to refer to the owner's manual as well as research the specifics of your particular model. One key fob could require that the ignition switch be turned on while programming. One key fob may require the key to be inserted several times.

The general process is simple. Make sure that the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure that the new key is communicating with the vehicle correctly. Then, put the old key back into the ignition and turn it to the ON position, 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 car above the mirror. The key will notify the vehicle within a short amount of time that it is being programmed. This can be accomplished by turning off the door locks or by emitting an audible chime. This process can be tricky, so it's important to be attentive to the timing and don't over-press the key button.

If the key fob doesn't function after reprogramming, you can try using new batteries. If the problem persists you might want to check with your car dealer or locksmith. A professional will have all the tools and equipment to reprogram the car fob or create a new one, if required.

Genesky says he can usually program newer fobs for around $200-$250, depending on the car. However, he's had to turn down customers who have European models because they don't have the costly equipment required. A majority of the aftermarket fobs are programmed, but always inquire with your local dealer to find out the price.

A New Fob

If your key fob is simply damaged beyond repair, you could need to get a new one. Depending on the make and model, the dealership or an auto locksmith might be able to help. The dealership will likely be the most expensive option for a fob replacement however, they'll have all the required tools and software needed to programme your vehicle properly. If you're looking for a cheaper option, a number of independent locksmiths can offer you an entirely new car key fob at a lower cost.

It is a good thing to attempt to reset your current fob before you rush out to buy a new one. The owner's manual should explain the proper procedure for reset that is typically the pushing of a button that reset it to factory programming.

It is also recommended to check your owner's guide and warranty information to determine whether you can obtain a replacement fob for your key. If your car is still under warranty or you have a car insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be eligible to receive a reimbursement for the cost of an entirely new fob.

Getting a fob is easy enough however finding the best location to get it done can be a challenge. If you have a relatively new car and want the peace of mind that comes from knowing that your key fobs are in working condition, you might prefer going to the dealership to get this service. If you're looking for a cheaper alternative, it is possible to find a locksmith who will offer the same service at a lower price.

If you aren't comfortable handling this type of work on your own, a professional locksmith may be a good option. They are trained and equipped to replace or reprogram keys for cars of all types, and can do so quickly. Locksmiths can also visit your office or home, which is convenient for many. They can cut keys and program them on the spot if you've lost keys. This is ideal for those who do not want to leave their vehicle unattended.

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