10 Erroneous Answers To Common Car Key Fob Repair Questions: Do You Know The Right Ones?
10 Erroneous Answers To Common Car Key Fob Repair Questions: Do You Know The Right Ones?
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Car Key Fob Repairs
Key fobs today do much more than unlock and start vehicles. However, the added complexity could cause costly repairs when one of them fails.
The good news is that the majority of fobs use flat watch-style batteries that are easy to replace at home. You might find that a simple reset will allow your fob to function again.
Battery Replacement
A dead battery is the main reason for a key fob that isn't working. It's a simple fix, and it's worth a try before you spend money on a new key fob. You can buy an additional button cell battery at your local auto parts retailer or hardware store If you own one. You can also refer to your 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 the specific type of fob you have.
The majority of fobs have two halves that snap togetheryou'll have to gently break the sides in order to access the battery. It's usually a screwdriver or another tool that has a flat, thin blade. It's a good idea to look for a notch along the bottom of the fob which you can use to place your tool between. You might also want to look for tiny pieces that could break loose while working.
Insert the new battery the same manner as 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 correctly with the markings in the battery compartment of your fob.
Check the fob to determine whether it is working by pressing the button. If it fails, it could be a problem in your vehicle that needs to be fixed or replaced by a specialist.
Some key fobs require special tools to open and close them, and the contacts inside may be delicate and easily corroded. In these situations, the best option is to talk to a specialist or a dealer. When replacing a battery be patient and follow your owner's guide. You might be able to find an identical battery at a big-box store or discounter, but be sure to check the owner's manual to ensure that it's compatible with your vehicle.
Replace the internal key
To protect against theft, the majority of key fobs are equipped with an electronic key inside. When the battery in the fob dies it leaves behind a blank internal key that is able to unlock doors and trunks (and in some cases, start certain vehicles). Many people don't realize this however, they can save themselves a trip to the dealership by simply replacing the fob's battery. The flat watch-style batteries are used in most modern fobs. These batteries can be found at hardware stores and auto parts stores. Choosing the right type of battery is crucial however. The wrong kind can damage the electronic circuitry, which can cause the battery to fail sooner.
If you try replacing the battery and find the issue persists, it could be a sign something else is going on with your vehicle. Review the owner's manual of your vehicle to determine if there's a reset procedure that will restore the fob to 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 could also fail because of faulty transmitter receivers. They are typically located near the steering wheel or in the dashboard. They transmit signals to enable you to unlock your car and start it with the fob. It is possible that you will need to get closer to your car to get it to work.
A professional may need to open the case to replace the transmitter. A simple screwdriver is usually enough to work, however certain fobs require a specific tool or a special piece of equipment that can only be purchased at a dealer. This is a job that should be performed by a certified mechanic to key repair avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that's not working may simply need an upgrade in battery. Because these batteries are cheap and easily available at pharmacies and home improvement stores, this is a good first step before buying an entirely new car key fob.
You can also change the programming of your key fob by yourself by following a few basic steps. This procedure can differ between vehicles, so it is recommended to read the owner's manual and research your specific model. One key fob could require the ignition to be switched on when changing the program. Another might need the key to be removed and inserted repeatedly.
The process is straightforward. First, make sure that the new battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. After that, put the old key back into the ignition and turn it to the ON position, but don't start the engine. Next, 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 inform the vehicle within a brief amount of time that it is being programmed. This can be accomplished by cycling the door locks or by emitting an audible chime. This procedure can be difficult so it's essential to be aware of the timing and to not over-press the key button.
If the key fob won't work after reprogramming, try using a new battery. If the issue persists, you might want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram your car fob or create a new one, if required.
Genesky says he's able to program newer fobs for around $200-$250, depending on the model of vehicle. He's been denied European models rejected because they don't have the equipment needed. Luckily, the majority of aftermarket fobs can be programmed, but it's always best to talk to the dealer of your choice first to determine the price.
How do I get a new fob
If your key fob is beyond repair, you may need to get an alternative. Based on the make and model, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive option for a replacement fob but it will also have the tools and software necessary to program your car properly. Many locksmiths in independent shops offer a brand new car key fob at a much lower price.
It is a good thing to try to reset your current fob before you rush out to buy a new one. The owner's manual should provide the correct procedure for reset. This is usually a series button presses that reset the factory program.
It's an excellent idea to read your owner's manual and warranty information prior to deciding the best place to get an replacement fob for your key. If your car is 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 a new fob.
The process of getting a fob can be simple enough however, finding the right location to do it isn't easy. It is possible to go to the dealer for this service if have a newer vehicle and you want peace of mind knowing that your keyfobs are working properly. If you are looking for a more affordable alternative, it is possible to find a locksmith that will provide the same service at an affordable cost.
If you're not comfortable doing this type of work yourself, a professional locksmith may be a great option. They are trained and equipped to change or reprogram car key fobs of all types and do it quickly. A locksmith is also able to visit your house or office which is a great option for a lot of people. They can even cut and program keys on-site in case you've lost keys, which is great for those who don't like to leave their cars unattended.