Car Key Fob Repairs
Key fobs today do much more than simply unlock and start vehicles. However, that added complexity can add up to costly repairs if one of them breaks.
The good news is that the majority of fobs use flat watch-style batteries that are easy to replace at home. It is possible that a simple reset is enough to make your fob work again.
Battery Replacement
A dead battery is the most frequent reason for the fob's key not working. This is a simple repair, and is worth trying before you spend money on a new key fob. You can purchase an additional button cell battery at a local auto part retailer or hardware store in the event that you already have one. You can also refer to the owner's manual (or, if you don't have one, YouTube is full of videos from people who show you how to do it) for specific instructions on opening and replacing the battery on your particular type of fob.
You'll need to gently pull off the sides of many fobs to reach the battery. You'll need a small flat-bladed screwdriver, or a different tool with a small blade. It might help to look for a notch along the bottom of the fob which you can wedge your tool between. You might also want to look out 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 up toward the buttons, and that the negative (-) side of the battery is aligned with the marks inside the battery compartment of your fob.
You can push a button to test the fob. If it doesn't work, there might be a problem with your vehicle that needs to be repaired or replaced by a professional.
Certain key fobs can be difficult to open and the contacts may be fragile and easily damaged. In these situations, a car specialist or the dealer will likely be the best choice. When replacing a battery be gentle and follow your owner's instructions. You may be able to find a similar battery at a discounter or a big-box retailer however, you'll need to consult your owner's manual to be sure that it's the right one for your vehicle.
Replace the internal key
The majority of key fobs have a physical mechanical key that is hidden within the fob to keep it from being stolen. When the battery in the fob fails, a blank key is left behind and can be used to open doors and trunks. In certain cases the key could even start certain vehicles. Most people don't know this however they could save having to go to the dealership by simply replacing the fob battery. Most modern fobs use flat watch-style batteries that are easy to find in hardware stores and auto parts shops. Using the correct type of battery is crucial however. The wrong kind can damage the electronic circuitry, causing the fob to fail faster.
If the issue persists even after you have replaced the battery, it could be an indication that there is something else going on 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 original programming. If this fails, you'll need to visit a dealership or an independent shop that specializes in vehicle-security systems and key fob programming.
Fobs may also fail because of faulty transmitter receivers. They are typically placed on the dashboard or next 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 your car to get it to work.
A professional might have to open the case of the fob to replace the transmitter. A simple screwdriver is usually enough to do the trick, but certain fobs require a special tool or special equipment which can only be found at a dealer. This job should be performed by a certified mechanic in order to ensure that the fob is not damaged and yourself.
Reprogramming the Key
Often a non-functional key fob simply needs a fresh battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, this is the ideal first step before buying a new car key fob.
You can also reprogram your key fob on your own by following some basic steps. The process is different for different vehicles brands, so it's essential to consult your owner's manual and study the specifics of your particular model. A key fob may require that the ignition switch be turned on while changing the program. A key fob might require the key to be inserted several times.
The process is straightforward. Make sure the battery is securely in place. Close all doors, except the driver's door. This will ensure that the new fob is communicating with the vehicle properly. Insert the old key into the ignition, then turn it ON however, don't start the engine. Press the lock button while aiming the fob at the receiver for transmission. It is usually located on the front, above the mirror. The key will signal to the vehicle within a brief amount of time that it's being programmed. This can be accomplished by cycling the door locks, or emitting an audible chime. This is a challenging procedure, so pay attention to timing and don't over-press the button.
If the key fob doesn't work after reprogramming it, try using new batteries. If the problem persists then a visit to the dealer of your vehicle or a locksmith is a good idea. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or make an entirely new key if required.
Genesky says he's able to program newer fobs for around $200-$250, based on the model of vehicle. But he's had to refuse customers with European models because he doesn't have the expensive equipment required. Luckily, the majority of aftermarket fobs can be programmable but it's always best to talk to the dealer of your choice first to see what their price is.
Getting a New Fob
If the key fob you have cannot be fixed, you could have to purchase another one. Depending on the make and model, the dealership or an auto locksmith may be able to assist. 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 correctly. If you're looking for a cheaper solution, many independent locksmiths will be able to provide you with a brand-new car key fob for a more affordable cost.
It's a good idea to attempt to reset your current device before you make the decision to purchase an entirely new one. The owner's guide should explain the correct reset procedure. It is typically a series button presses that restores the factory programming.
It's an excellent idea to review the owner's manual and warranty information before deciding which place to go for an replacement fob for your key. If your car is under warranty, or you have a car-insurance policy or auto club membership with bumper-to-bumper insurance, you might be able to receive some reimbursement for the cost of an entirely new fob.
Finding key car repair where to purchase a fob can be difficult. If you own a new car and would like the peace of mind that comes from knowing that your key fobs are in good condition, you might be better off visiting the dealership for this service. If you are looking for a more affordable alternative, it is possible to find a locksmith who will offer the same service at a lower price.
If you're not confident handling this kind of work yourself, a professional locksmith may be a great choice. They are certified and equipped to reprogram or replace the majority of car key fobs, and they can often complete the task quickly. A locksmith can also come to your office or home, which is convenient for many people. They can even cut and program keys on-site when you've lost keys, which is ideal for those who don't like to leave their vehicles unattended.