Car Key Fob Repairs
Key fobs today do much more than just unlock and start vehicles. But that extra complexity can add up to expensive repair costs if one of them breaks.
The good news is that the majority of fobs are equipped with flat-watch-style batteries that are simple to replace at home. You may find that a simple reset will bring your fob back to life.
Battery Replacement
The most frequent reason a key fob stops working is due to the battery being dead. It's a simple fix and worth trying before you invest in an alternative fob. You can buy a new button cell battery at your local auto part store or hardware retailer if you have 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.
Most fobs have two halves that snap together -- you'll need to gently pry the sides apart in order to access the battery. You'll require a small flat-bladed screwdriver, or a different tool with a small blade. It may be helpful to look for a notch along the bottom of the fob that you can put your tool in between. You might also want to watch for tiny pieces that might break loose as you work.
Install the new battery in the same way as you removed the previous one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the compartment for the battery.
Press a button to test the fob. If it doesn't work, there could be a problem in your car that needs to be repaired or replaced by a specialist.
Certain key fobs are difficult to open and the contacts could be fragile and easily corrosion-prone. In these instances the best choice is to consult a car specialist or a dealer. If you're in need of replacing the battery, make sure to be very gentle and adhere to the instructions that are specific to your owner's manual. You might be able find a similar battery at a discounter store or a big-box retailer however, you'll need to check the owner's manual to ensure that it matches your car.
Replace the internal key
Most key fobs include a physical mechanical key, but it's hidden inside the fob to stop thieves from getting. If the battery of the fob fails it will leave an internal key blank that can unlock trunks and doors (and in some cases, even start certain cars). The majority of people do not realize that they can avoid a trip to the dealership by replacing the fob's batteries. Most modern fobs use flat watch-style batteries that are easy to find at auto parts stores and hardware shops. It is essential to choose the right type of battery. A bad battery can cause damage to the circuitry and cause the fob's failure earlier.
If you change the battery, and the problem persists, it could be an indication that something else is happening in your vehicle. If you have an owner's guide and you're not sure, try to determine if there is a reset option available to restore the fob's original programming. If that doesn't help, you'll need to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.
Fobs can also fail due to malfunctioning transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and transmit signals that allow you to unlock and start your car using the fob. You may have to move closer to the car to enable it.
A professional might need to open the case to replace the transmitter. A simple screwdriver will usually suffice, but certain fobs require a special tool or a special piece of equipment that can only be found at a dealership. This is a job that must be handled by a qualified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
Often a non-functional key fob simply requires a new battery. These batteries are easily found in home improvement and pharmacy stores and are inexpensive. This is a good method to start before you purchase the new key fob.
You may also be able to re-program the fob yourself by following the steps. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual as well as research the specifics of the model you own. For instance the key fob might require that the ignition be on while reprogramming it. Another may require the key to be inserted and removed repeatedly.
The general process is simple. Make sure the battery is securely in place. Then, get into the driver's seat, and close all doors, with the exception of the driver's side door. remote key fob repair will ensure that the new key fob can communicate with the vehicle in a proper manner. Put the old key in the ignition, then turn it ON however, 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. Within a short time frame, the key will indicate to the vehicle that it's been programmed by cycling the doors' locks or generating an emitted sound. This process can be tricky, so it's important to pay attention to the timing and to not over-press the key button.
If the key fob does not work after reprogramming it, try replacing the batteries. If the issue isn't resolved you should visit your dealer for your car or a locksmith is a good idea. A professional locksmith will have the tools and equipment required to reprogram the car fob, or even create a brand new one if necessary.
Genesky claims he is able to program newer fobs that range between $200 and $250, depending on the vehicle. He's experienced European models rejected because he lacks the expensive equipment required. The majority of aftermarket fobs can be programmed, but you should always consult your local dealer to find out the price.
A New Fob
If your key fob is simply beyond repair, you might need to purchase a new one. Depending on the brand and model, the dealership or an auto locksmith might be able to help. The dealership will likely be the most expensive alternative for replacing a fob However, they'll have all of the necessary tools and software needed to program your car correctly. For a more affordable solution, many independent locksmiths will be able to provide you with new car keys at a lower cost.
Before you purchase an entirely new device it's an excellent idea to try resetting your current device. The owner's guide should explain the correct reset procedure. This is usually an orderly press that restores the factory programming.
You should also check your owner's guide and warranty information to determine whether you can obtain a replacement fob for your key. If your car's warranty still in effect 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.
The process of getting a fob can be simple enough, but finding the right location to get it done can be tricky. You may want to visit the dealer for this service if you are driving a brand new car and want peace of mind knowing that your key fobs are functioning correctly. However, if you're looking for an affordable alternative it is usually possible to find an independent locksmith who can offer the same services for a lower cost.
If you aren't comfortable handling this type of work on your own A professional locksmith could be a great choice. They are skilled and equipped to repair or replace the majority of car key fobs and often they can accomplish the task in a short time. A locksmith is also able to visit your house or office which is convenient for many people. They can cut keys and program them on site if you've lost keys. This is perfect for those who do not want to leave their car without a key.
