The 10 Scariest Things About Car Key Fob Repair
Car Key Fob Repairs
Key fobs of today do a lot more than unlock and start cars. However, the added complexity could result in high repair bills in the event that one of them malfunctions.
It's good to know that most fobs are powered by flat-watch-style batteries which can be easily replaced at home. You may find that a simple reset is enough to make your fob work again.
Battery Replacement
A dead battery is the most common reason for a key fob that isn't working. It's simple to fix and worth trying before you invest in a replacement fob. You can purchase an additional button cell battery at your local auto part store or hardware retailer If you own one. You can also check the owner's manual (or, if you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions on opening and replacing the battery on the specific type of fob you have.
You'll need to gently pry away the sides of the majority of fobs to reach the battery. It's usually a screwdriver or a different 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 place your tool between. It is also advisable to keep an eye out for small pieces that may come loose while you work.
Once you have the new battery, you can insert it in the same way that you removed the old one. The positive (+) side should be facing the buttons and the negative (-) the marks on the compartment for the battery.
Push a button to test the fob. If it doesn't work, you might have a problem with your car that requires a professional to fix or replace.
Certain key fobs can be difficult to open and their contacts may be brittle and easily corrosion-prone. In these cases the best solution is to consult a car specialist or dealer. When replacing a battery, be patient and follow your owner's instructions. You might be able to find a similar battery at a discounter store or a big-box retailer, but you'll need to check the owner's manual to make sure that it's compatible with your vehicle.
Replace the internal key
To prevent theft, most key fobs are equipped with an internal mechanical key that is hidden within. If the battery inside a fob dies it will leave a blank key left behind that can be used to unlock trunks and doors. In certain cases it is possible to start certain vehicles. Most people don't know this however they could save a trip to the dealership by simply replacing the fob's battery. The flat watch-style battery is used in the majority of modern fobs. These batteries can be found at hardware stores and auto parts stores. It is essential to choose the correct type of battery. The wrong kind can damage the electronic circuitry and cause the fob to fail faster.
If you change the battery and discover that the issue is still there it could be a sign something else is going on with your car. Go through the owner's manual to determine if there's an option to reset the fob and bring the fob back to factory programming. If that doesn't help you'll have to visit a dealership or an independent shop that specializes in vehicle security systems and fob programming.
Fobs could also fail due to faulty transmitter receivers. These are usually located close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your car and begin it using the fob. If you're required to move closer and closer to your vehicle to get it to work, there's a good chance the transmitter is failing.
It might be necessary for a professional to access the case of the fob to replace the transmitter. A simple screwdriver will usually work, however some fobs require a specialized tool or a special piece of equipment that can only be found at a dealership. It's a good idea to have a certified mechanic perform this task so you don't break the fob or injure yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working just requires a new battery. These batteries are easily found in both pharmacy and home improvement stores and are affordable. This is a good method to start before you purchase the new key fob.
You may also be able to program the fob on your own by following some basic steps. This process varies between vehicle makes, so it's important to read the owner's manual as well as research the specifics of your particular model. For instance, one key fob may require the ignition to be turned on while reprogramming it. One key fob could require the key to be inserted several times.
The general procedure is very simple. Make sure that the battery is securely in place. Then, get in the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. Then, place the old key back into the ignition and switch it to the ON position, but do not start the engine. Next, press the lock button on the fob while looking at the transmission receiver, which is usually located in the front of the vehicle above the mirror. The key will notify the vehicle within a brief amount of time that it's being programmed. This can be done by cycling the door locks or by emitting an audible chime. This can be a tricky process, so pay close attention to the timing and avoid pressing too hard the button.
If the key fob does not function after reprogramming, you can try replacing the batteries. If the issue persists then a visit to your dealer for your car or locksmiths should be considered. A professional locksmith will have the tools and equipment required to reprogram your car's fob or create a new one if necessary.
Genesky claims he is able to program newer fobs ranging from $200 and $250, depending on the vehicle. Genesky has experienced European models rejected because they don't have the equipment needed. A majority of the aftermarket fobs are programmed, but always inquire with your local car dealer to determine the price.
How to get a new fob
If your key fob can't be repaired, you may need to buy an entirely new one. Depending on your vehicle's model and make, an auto locksmith or dealership may be able help. The dealership is likely to be the most expensive choice for a replacement fob, however, it will also have the tools and software needed to program your car properly. If additional hints are looking for a less expensive solution, many independent locksmiths can provide you with new car keys for a more affordable price.
It's a good idea to try to reset your current device before you rush out to buy a new one. The owner's manual should provide the correct method of reset. It is typically an orderly press that reset the factory program.
You should also check the owner's manual and warranty information to see if you can get a replacement fob for your key. If your vehicle is under warranty, or you have a car insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of the new fob.
Getting a fob is easy enough however finding the best place to have it done can be tricky. If you have a relatively new car and would like the assurance with knowing that your keys fobs are in good order, you may be better off going to the dealership to get this service. However, if you want an affordable alternative it is usually possible to find a locksmith who is independent who can provide the same service at a much lower cost.
A locksmith professional is a great option If you're not confident doing this kind of work. They are trained and equipped to repair or replace keys for cars of all types and do it quickly. A locksmith can also visit your office or home, which is convenient for a lot of people. They can even cut and program keys on-site if you have lost keys, which is ideal for those who do not want to leave their vehicles unattended.