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10 Myths Your Boss Is Spreading Concerning Car Key Fob Repair
Car Key Fob Repairs

Key fobs today can do more than unlock and start vehicles. But that extra complexity can result in high repair bills when one of them fails.

It's a good idea to know that the majority of fobs are powered by flat watch-style batteries, that can be replaced at home. You may find that a simple reset is enough to make your fob work again.

Battery Replacement

A dead battery is the most frequent reason for a key fob that isn't working. This is easy to repair, and is worth trying before you decide to spend money on a new key fob. You can pick up a new button cell battery at your local auto parts store or hardware retailer if you have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to replace and open the battery inside your fob.

You'll need to gently pull apart the sides of most fobs in order to access the battery. It's usually a screwdriver or some other tool with a thin, flat blade. It may be helpful to look for a groove along the bottom of the fob that you can use to put your tool in between. You may also want to watch for tiny pieces that may come loose while you work.

Once you have your new battery, insert it in the same way that you removed the old one. The positive (+) side should face the buttons and the negative (-) the marks on the compartment for the battery.

Check the fob to determine whether it is working by pressing the button. If it doesn't, you may have a problem with your car that requires a specialist to repair or replace.

Certain key fobs require special tools to open and close, and the connections inside could be fragile and easily corroded. In car remote key repair , the best option is to consult a car expert or dealer. When replacing a battery be gentle and follow the owner's guide. You might be able locate a comparable battery at a discounter store or a big-box retailer however, you'll need to check the owner's manual to be sure that it matches your car.

Replacing the Internal Key

Most key fobs include a physical mechanical key however, it's hidden within the fob to keep it from being stolen. When the battery in the fob dies, it leaves an internal key blank that can unlock doors and trunks (and in some cases, even start certain cars). Most people don't know this, but they can avoid having to go to the dealership by simply replacing the fob's battery. The majority of modern fobs utilize flat-watch-style batteries which are readily available in auto parts stores and hardware shops. It is important to use the right type of battery. The wrong kind can damage the electronic circuitry, causing the fob to fail faster.

If you change the battery and find the problem persists it could be a sign something else is wrong in your vehicle. If you have an owner's guide look for there is a reset option available to restore the fob's original programming. If this fails, you'll need to visit a dealership or an independent shop that specializes in security systems for vehicles and key fob programming.

Fobs can also malfunction due to faulty transmitter receivers. They are typically located on the dashboard or close to the steering wheel, and they transmit signals that allow you to unlock and start your car using the fob. You may need to get closer to the car in order to make it work.


It may be necessary for a professional to open the case of the fob to replace the transmitter. A simple screwdriver will usually do the job however, some fobs have complex release mechanisms that require a specific tool or specialized equipment available only at a dealer. This is a job that should be done by a certified mechanic in order to ensure that the fob is not damaged and yourself.

Reprogramming the Key

A key fob that's not working could just require a new battery. These batteries are easily found in both pharmacy and home improvement stores and are affordable. This is a great method to start before you purchase a new key fob.

You can also re-program your key fob yourself by following the steps below. The procedure may differ for different vehicles, so it is recommended to read the owner's manual and research your specific model. One key fob might require that the ignition be turned on while programming. One key fob could require the key to be inserted several times.

The basic procedure is simple. Make sure that the battery is securely in place. Then, get in the driver's seat and shut all doors, excluding the driver's side door. This will ensure that the new key is communicating with the vehicle properly. Place the old key in the ignition, then turn it on, but don't start the engine. Then, press the lock button on the fob, while looking at the transmission receiver, which is usually located in the front of the vehicle above the mirror. In a short period of time the key will signal to the vehicle that it's been programmed by triggering the doors locks or emitting an emitted sound. This is a challenging process, so pay close attention to the timing and don't press too hard the button.

If the key fob won't function after reprogramming, you can try using a new battery. If the issue isn't resolved you should visit the dealer of your vehicle or a locksmith is a good idea. A professional will have all the tools and equipment required to reprogram your car's fob, or even create a brand new one, if required.

Genesky says he's able to program newer fobs between $200 and $250, based on the model of vehicle. But he's had to turn down customers who have European models because he doesn't have the expensive equipment required. Luckily, the majority of aftermarket fobs are programmable but it's always best to talk to the dealer of your choice first to find out what the cost is.

How do I get a brand new fob

If your key fob is damaged beyond repair, you could require an alternative. Depending on the make and model, the dealer or an auto locksmith might be able to assist. The dealership is likely to be the most expensive option for a replacement fob however, it will also have the tools and software needed to program your car properly. If you're looking for a cheaper option, a number of independent locksmiths can provide you with a brand-new car key fob for a more affordable price.

It is a good thing to attempt to reset the fob you have before you rush out to buy an entirely new one. The owner's manual should explain the proper reset procedure, which is usually just pushing a few buttons that reset it to factory programming.

You should also look over the owner's guide and warranty information to determine whether you can obtain an additional fob for your key. If your car is still under warranty, or you have a car insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of the new fob.

Finding a fob is simple enough, but finding the right location to do it isn't easy. If you have a relatively new car and want the security with knowing that your keys fobs are in good working condition, you might prefer going to the dealership for this service. However, if you want an affordable alternative, it is often possible to find a locksmith independent who can provide the same services for a significantly lower price.

A professional locksmith is a great option for those who aren't comfortable with this kind of work. They are skilled and equipped to replace or reprogram most types 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 can be extremely useful for certain people. They can cut keys and program them on site if you've lost them. This is perfect for those who do not want to leave their car without a key.

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