Key fobs today do much more than unlock and start vehicles. However, that added complexity can cause costly repairs in the event that one of them malfunctions.
It's a good idea to know that a majority of fobs are powered by flat-watch-style batteries which can be replaced at home. You might find that a simple reset can allow your fob to function again.
Battery Replacement
The most common reason that a key fob doesn't work is due to a dead battery. It's a simple repair and worth a try before you invest in the replacement fob. Take your car to a local auto parts store or hardware retailer that sells button cell batteries and purchase a replacement. You can also refer to the owner's manual (or in the event that 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 together -You'll need to break the sides in order to access the battery. You'll typically need a small screwdriver or some other tool that has a flat, thin blade. It's a good idea to look for a groove along the lower edge of the fob that you can put your tool in between. It is also advisable to keep an eye out for small pieces that could break loose while you work.
Install the new battery in the same way as you removed the previous one. The positive (+) side should be facing the buttons and the negative (-) the marks on the compartment for the battery.
Press a button to test the fob. If it doesn't, you may have a problem with your car that requires a professional to fix or replace.
Some key fobs require special tools to open and close them, and the contacts inside may be delicate and easily corroded. In these situations you should consult a specialist in your car or a dealer could be the best option. 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 big-box retailer however, you'll need to check the owner's manual to be sure that it's compatible with your vehicle.
Replacing the Internal Key
To protect against theft, the majority of key fobs come with an internal mechanical key that is hidden within. When the fob battery dies it will leave behind a blank internal key which can open trunks and doors (and in some cases start certain vehicles). Most people don't know this, but they can save a trip to the dealership by simply replacing the fob's battery. The flat watch-style batteries are used in the majority of modern fobs. These batteries are easily found at auto parts stores and hardware stores. Using the correct type of battery is important, however. A bad battery can cause damage to the circuitry and cause the fob's failure much sooner.
If the issue persists after replacing the battery, it may be an indication that there is something else going on with your vehicle. If you have an owner's manual look for you can use a reset procedure to restore the fob's factory programming. If key repair near me 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 due to malfunctioning transmitter receivers. They are typically located near the steering wheel or on the dashboard. They transmit signals that enable you to unlock your vehicle and start it using the fob. If you're being required to get closer and closer to your car in order to make it work, there's a high chance that the transmitter isn't working.
It could be required for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver can usually accomplish the task however some fobs come with complicated release mechanisms that require a specialized tool or equipment that is available only at a dealership. This task should be done by a qualified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working simply requires a new battery. These batteries are readily available in home improvement and pharmacy stores and are affordable. This is a good option to begin before purchasing an entirely new key fob.
You can also change the programming of your key fob by yourself if you follow a few basic steps. The procedure may differ for different automobiles, so read the owner's manual and research your specific model. One key fob might require that the ignition switch be turned on while changing the program. Another might need the key to be inserted and removed multiple times.
The basic procedure is simple. 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. Then, put the old key back into the ignition and turn it on to the ON position, but do not start the engine. Then press the lock button on the fob while looking at the transmission receiver, which is typically located on the front of the car above the mirror. The key will signal to the vehicle within a short period of time that it's being programmed. This can be done by cycling the door locks or by emitting an audible chime. This is a difficult procedure, so pay attention to the timing and avoid pressing too hard the button.
If the key fob won't work after reprogramming it, try replacing the batteries. If the issue is still there, you might want to visit your car dealer or locksmith. A professional will have the tools and programming equipment to reprogram your car's fob or clone an entirely new key if required.
Genesky says he's able to program newer fobs for $200 to $250, based on the model of vehicle. He's had European models rejected due to the fact that he lacks the expensive equipment needed. Fortunately, most aftermarket fobs can be programmed, but it's always recommended to consult the dealer of your choice first to find out the price.
Getting a New Fob
If your key fob can't be repaired, you might have to purchase another one. Depending on the brand and model, the dealer or an auto locksmith might be able to assist. The dealership is likely to be the most expensive alternative for replacing a fob however, they'll have the necessary tools and software needed to program your car correctly. For a more affordable solution, a variety of locksmiths will be able to provide you with new car keys for a more affordable price.
It is a good thing to try to reset the fob you have before you decide to buy an entirely new one. Your owner's manual should outline the proper reset procedure that is typically 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 a replacement fob for your key. If your vehicle is under warranty, or you have a car insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be able to receive some reimbursement for the cost of the new fob.
Getting a fob is easy enough however, finding the right place to have it done isn't easy. If you have a relatively new vehicle and you want the security with knowing that your key fobs are in good order, you may be better off going to the dealership for this service. If you are looking for a more affordable alternative, it is possible to find a locksmith who will provide the same service for a lower price.
A locksmith professional is a good option If you're not confident doing this type of work. They are trained and equipped to replace or reprogram all kinds of car key fobs, and often, they can accomplish the task in a short time. Locksmiths can also visit your office or home which is a great option for a lot of people. They can even cut and program keys on the spot in case you've lost keys, which is great for those who do not want to leave their cars in the dark.
