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Car Key Fob Repairs

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

It's important to know that most fobs are powered by flat watch-style batteries which can be easily replaced at home. You may even find that a reset can bring it back to life.

Battery Replacement

The most frequent reason why the key fob ceases to function is due to a dead battery. It's easy to fix and worth trying before you purchase an alternative fob. You can purchase an additional button cell battery at your local auto parts retailer or hardware store in the event that you already have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to remove and replace the battery inside your fob.

Most fobs come with two halves that snap together -You'll need to pull the sides apart to access the battery. You'll usually need a small screwdriver or a different tool equipped with a thin, flat blade. It might help to look for a notch along the bottom of the fob which you can use to wedge your tool between. It is also advisable to look for small pieces that could fall off while working.

Insert the new battery in the same way as you removed the previous one. Make sure the positive (+) side is facing up toward the buttons, and that the negative (-) side of the battery is aligned correctly with the marks inside the battery compartment of your fob.

You can push a button to test the fob. If it doesn't, you might have a problem with your car that requires a specialist to fix or replace.

Some key fobs are difficult to open and their contacts may be brittle and easily damaged. In these situations, the best option is to talk to a specialist or a dealer. If you're looking to replace batteries, you should be gentle and follow the specific instructions in the owner's manual. You might be able to find an identical battery at a big-box store or discounter, but be sure you check the owner's manual to make sure it's compatible with your car.

Replacing the Internal Key

To guard against theft, many key fobs come with an electronic key inside. When the battery in the fob dies it leaves an internal key blank that can unlock doors and trunks (and in some cases start certain cars). A majority of people don't realize that they can avoid a trip to a dealership by replacing the fob batteries. Most modern fobs have flat watch-style batteries that are easy to find at hardware stores and auto parts shops. It is crucial to choose the correct kind of battery. A bad battery can damage the electronic circuitry, causing the fob to fail faster.

If you try replacing the battery and discover that the issue persists it could be an indication that something else is happening in your vehicle. If you have an owner's manual and you're not sure, try to determine if a reset procedure is available to restore the fob's factory programming. If that doesn't help, you'll need to go to a dealership or an independent shop that specializes in vehicle security systems and fob programming.

Fobs may also fail due to faulty transmitter receivers. They are typically located on the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car with the fob. It is possible that you will need to get closer to the car in order to enable it.

It could be required for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver is enough to accomplish the task however some fobs come with complicated release mechanisms that require a specialized tool or specialized equipment available only through a dealer. This is a job that should be done by a qualified mechanic to ensure that the fob is not damaged and yourself.

Reprogramming the Key

A key fob that is not functioning just requires a new battery. They are easily available in home improvement and pharmacy stores and are inexpensive. This is a great method to start before you purchase a new key fob.

You can also reprogram your key fob by yourself if you follow a few basic steps. The procedure varies for different vehicle makes, so it's important to consult your owner's manual as well as research the specifics of your particular model. For example the key fob might require the ignition to be turned on while reprogramming it. Another may require the key to be inserted and removed several times.

The general procedure is very easy. First, make sure that the new battery is firmly in place. Close all doors except the driver's door. This will ensure the new fob is communicating with the vehicle in a correct manner. Then, place the old key back into the ignition and turn it on to the ON position, but don't start the engine. Next, press the lock button on the fob, while looking at the transmission receiver, which is typically located on the front of the vehicle above the mirror. The key will inform the vehicle within a brief amount of time that it's being programmed. This can be accomplished by turning off the door locks or emitting an audible chime. This process can be tricky so it's essential 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 replacing the batteries. If the issue persists you should visit the dealer of your vehicle or locksmiths should be considered. A professional will have the tools and programming equipment to reprogram your car's fob, or create the key if needed.

Genesky says he's able to program newer fobs for around $200 to $250, based on the model of vehicle. Genesky has had European models rejected because he lacks the expensive equipment needed. Fortunately, most aftermarket fobs are programmable however it's best to check with an auto dealer first to determine what their price is.

A New Fob

If your key fob is simply damaged beyond repair, you could need to get a new one. Depending on the brand and model, the dealership or an auto locksmith might be able to assist. The dealership is likely to be the most expensive option for a fob replacement, but they will also have the necessary tools and software needed to programme your vehicle properly. If you're looking for a cheaper solution, many independent locksmiths can offer you new car keys for a much more reasonable price.

Before you rush to get a new fob it's a good idea to try resetting your current device. The owner's manual will outline the correct procedure for reset that is typically pushing a few buttons which restores the original programming.

It is also recommended to check the owner's manual and warranty information to determine whether you can obtain an additional fob for your key. If your vehicle's warranty is still active or you have an auto club or car insurance policy that covers bumper to bumper you could be eligible for a reimbursement on the cost of replacing the fob.

Finding the best location to purchase the fob you need can be difficult. If you own a new car and want the peace of mind that comes from knowing that your key fobs are in working order, you may prefer going to the dealership to get this service. If you are looking for a cheaper alternative, it's possible to find a locksmith that can provide the same service for less cost.

If you aren't comfortable handling this type of work on your own A professional locksmith could be a great option. They are equipped and trained to change or reprogram keys for cars of all kinds and can do it quickly. A locksmith is also able to visit your office or home which is convenient for many people. They can 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.