Car Key Fob Repairs
Key fobs of today do a lot more than unlock and start cars. This added complexity can cause costly repair costs when it fails.
The good news is that most fobs use flat watch-style batteries that are easy to replace at home. And you may find that a reset will make your device work again.
Battery Replacement
The most frequent reason the key fob ceases to function is due to an inoperative battery. It's a simple fix and worth trying before you spend money on an alternative fob. Simply take your car to a local hardware or auto parts retailer that sells button cells and choose an alternative. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery inside your fob.
You'll have to gently pull apart the sides of most fobs in order to access the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a thin blade. You can wedge your tool into a notch on the bottom of the key fob. You may also want to keep an eye out for small pieces that may come loose while you work.
Insert the new battery in the same way you removed the previous one. The positive (+) side should face the buttons, while the opposite side is facing (-) the markings on the compartment for the battery.
Press a button to test the fob. If it doesn't, you might have an issue with your car that requires a professional to fix or replace.
Certain key fobs require special tools to open, and the contacts inside can be fragile and easily corroded. In these situations, the best option is to consult a car expert or a dealer. When replacing a battery, be gentle and follow the owner's guide. You may be able to locate the same battery at a big-box store or discounter, but be sure you read the owner's manual to make sure it is compatible with your vehicle.
Replace the internal key
To guard against theft, many key fobs are equipped with a mechanical key hidden inside. When the battery in a fob dies and the key is discarded, a blank one is left behind and can be used to unlock trunks and doors. In some cases the key could even start certain vehicles. The majority of people don't realize they can avoid a trip to the dealership by replacing the fob's batteries. The flat watch-style batteries are used in the majority of modern fobs. They can be found at hardware stores and auto parts stores. Using the correct type of battery is important however. A wrong battery can harm the circuitry and cause the fob's failure much sooner.
If you replace the battery, and the problem persists, it could be an indication that something else is going on in your vehicle. Review the owner's manual of your vehicle to see if there's a reset procedure that will restore the fob's the factory program. If this doesn't help, 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 usually found near the steering wheel or on the dashboard. They transmit signals that enable you to unlock your car and begin it using the fob. You may need to get closer to the car in order to get it to work.
It could be required for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a special tool or special equipment that can only be found at a dealership. It is a good idea to have a certified mechanic do this job so that you don't accidentally break the fob or cause injury to yourself.
Reprogramming the Key
A key fob that is not functioning simply needs a fresh battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, this is a good first step before investing in the purchase of a new car key fob.
You can also re-program your key fob on your own by following the steps below. This process varies between vehicle manufacturers, so it is important to read the owner's manual and study the specifics of your particular model. One key fob might require that the ignition be turned on while changing the program. One key fob may require the key to be inserted multiple times.
The procedure is easy. First, make sure the new battery is firmly in place. Close all doors except the driver's door. This will ensure that the new fob is communicating with the vehicle properly. Put the old key in the ignition and turn it on, but don't start the engine. Then press the lock button on the fob while looking at the transmission receiver, which is typically situated on the front of the car key repair car above the mirror. In a short period of time the key will announce to the vehicle that it's been programmed by turning off the doors locks or emitting the sound of a chime. This can be a tricky procedure, so pay attention to timing and don't over-press the button.
If the key fob won't work after reprogramming, try replacing the batteries. If the problem persists, 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 the car fob or design a new one if needed.
Genesky claims he is able to program newer fobs ranging from $200 and $250, depending on the vehicle. Genesky has had European models rejected due to the fact that they don't have the equipment needed. Fortunately, many aftermarket fobs can be programmable however it's best to check with the dealer of your choice first to determine the price.
How do I get a new fob
If your key fob is simply beyond repair, you may need to get an alternative. Depending on the make and model, the dealer or an auto locksmith might be able to help. The dealership is likely to be the most expensive choice for a replacement fob however, it will also have the tools and software required to program your car properly. Many locksmiths in independent shops offer a brand new car key fob for the lower cost.
It's a good idea to try to reset your current fob before you make the decision to purchase another one. Your owner's manual should outline the correct procedure for reset, which is usually just pushing a few buttons that reset the factory settings.
It is also recommended to check your owner's guide and warranty information to see whether you are eligible for an additional fob for your key. If your car's warranty in good standing or you have an auto club or car insurance policy that covers bumper to bumper, you may qualify for a reimbursement on the cost of replacing the fob.
Finding the right place to get the fob you need can be difficult. You may want to visit the dealer to get this service if you have a newer car and you are looking to feel secure knowing that your keyfobs are working properly. However, if you're looking for a more affordable option it is possible to find a locksmith independent who can provide the same services for a lower cost.
If you're not comfortable doing this kind of work yourself A professional locksmith could be a good option. They are trained and equipped to replace or reprogram car key fobs of all types, and can do so quickly. In addition, a locksmith will often visit your office or home to do the job which can be extremely useful for certain people. They can also cut and program keys on site if you've lost them. This is ideal for those who don't want to leave their vehicle in the garage.