Car Key Fob Repairs
Key fobs today do much more than unlock and start vehicles. However, that added complexity can cause high repair bills if one of them breaks.
The good news is that the majority of fobs use flat watch-style batteries that are simple to replace at home. You may find that a simple reset is enough to allow your fob to function again.
Battery Replacement
A dead battery is the most common cause of a key fob not working. It's easy to fix and worth trying before you purchase an alternative fob. You can buy a new button cell battery at your local auto parts retailer or hardware store If you own one. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to replace and open the battery in your fob.
You'll need to gently pull apart the sides of most fobs to reach the battery. You'll usually need a small screwdriver or some other tool equipped with a thin, flat blade. You can insert your tool into a notch at the bottom of the key fob. You might also want to look out for small pieces that may come loose while you work.
Once you have the new battery, insert it in the same way that you removed the old 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.
You can push a button to test the fob. If it isn't working, there may be a problem with your vehicle that requires to be repaired or replaced by a professional.
Certain key fobs require special tools to open and close, and the connections inside may be delicate and easily corroded. In these cases you should consult a specialist in your car or a dealer could be your best option. When replacing a battery be patient and follow your owner's instructions. You might be able to find an identical battery at a big-box retailer or discounter, but make sure you check the owner's manual to make sure that it's compatible with your car.
Replacing the Internal Key
To guard against theft, many key fobs have an internal mechanical key that is hidden within. When the battery in the fob dies it will leave an internal key blank which can open trunks and doors (and in some cases, start certain vehicles). Most people do not realize that they can avoid a trip to a dealership by recharging the fob batteries. The flat watch-style battery is found in most modern fobs. They can be located at auto parts stores and hardware stores. It is important to use the right type of battery. The wrong type can damage the circuitry and lead to the fob's failure earlier.
If the problem persists after you replace the battery, it could be a sign that there is something else wrong in your vehicle. If you have an owner's manual and you're not sure, try to determine if you can use a reset procedure to restore the fob's factory programming. If this doesn't work then you'll need to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs may also fail because of faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they transmit signals that allow you to open and start your car with the fob. If you notice that you're having to get closer and closer to your car to get it to work, there's a high possibility that the transmitter is not working.
A professional might have to open the case to replace the transmitter. A simple screwdriver can usually do the trick, but certain fobs require a special tool or special equipment which can only be found at a dealer. It's best to have a certified mechanic handle this job to ensure you don't break the fob or hurt yourself.
Reprogramming the Key
A key fob that is not working could just require a new battery. These batteries are readily available in pharmacy and home improvement stores and are affordable. This is a good option to begin before purchasing the new key fob.
You can also re-program your key fob yourself by following a few basic steps. This process varies between vehicle brands, so it's essential to refer to the owner's manual as well as research the specifics of your model. For example the key fob might require the ignition to be switched on while reprogramming the key. A key fob might require the key to be inserted multiple times.
The general process is simple. First, make sure that the new battery is 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. Place the old key in the ignition and turn it on, but don't start the engine. Press the lock button while aiming the fob toward the receiver for transmission. This is usually located on the left side, just above the mirror. The key will signal to the vehicle within a brief amount of time that it is being programmed. This can be done by turning off the door locks or emitting an audible chime. This is a challenging process, so pay attention to the timing and don't press too hard the button.
If the key fob still doesn't work Try reprogramming it using new batteries. If the issue is still there, you might want to visit your local locksmith or dealer. A professional locksmith will have the tools and equipment necessary to re-program your car's fob or clone an entirely new key if required.
Genesky claims car key repair he is able to program newer fobs that range between $200 and $250, depending on the model of vehicle. Genesky has had European models rejected because they don't have the equipment needed. Fortunately, most aftermarket fobs can be programmable but it's always recommended to consult a car dealer first to determine what their price is.
How do I get a brand new fob
If the key fob you have cannot be repaired, you might need to buy an entirely new one. Depending on your vehicle's model and make, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive choice for a replacement fob, but it also has the tools and software needed to program your car properly. Many locksmiths in independent shops offer a brand new car key fob at an affordable price.
It is a good thing to attempt to reset the fob you have before you rush out to buy another one. The owner's manual should explain the proper procedure for reset which is typically a series of button pushes that reset the factory settings.
It is an excellent idea to read the owner's manual and warranty information prior to deciding the best place to get a key fob replacement. If your car's warranty still in effect or you have an auto club or insurance policy that covers bumper to bumper you could qualify for a reimbursement on the cost of replacing the fob.
Getting a fob is easy enough however finding the best place to have it done can be a challenge. You might want to go to the dealer for this service if have a newer car and you are looking to feel secure knowing that your keyfobs are working correctly. However, if you're looking for an option that is more affordable it is possible to find a locksmith independent who can provide the same services at a much lower cost.
A professional locksmith is a great option if you're not comfortable doing this type of work. They are trained and equipped to change or reprogram key fobs for cars of all kinds, and can do so quickly. Additionally, locksmiths can often come to your home or office to complete the task which is useful for certain people. They can even cut and program keys on the spot in case you've lost keys, which is great for those who prefer not to leave their cars in the dark.