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Car Key Fob Repairs

Today's key fobs do a lot more than unlock and start cars. However, the added complexity could cause high repair car remote control key bills in the event that one of them malfunctions.

It's good to know that most fobs are powered by flat-watch-style batteries that can be replaced at home. And you may find that a reset can make your device work again.

Battery Replacement

A dead battery is the main cause of the fob's key not working. It's a simple repair and local worth a try before you invest in an alternative fob. You can pick up 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 YouTube for videos explaining how to replace the battery) for specific instructions on how to replace and open the battery inside your fob.

The majority of fobs have two halves that snap together -- you'll need to gently pull the sides apart to access the battery. It's usually a screwdriver or some other tool that has a flat, thin blade. It may be helpful to look for a groove along the bottom of the fob which you can use to place your tool between. It is also advisable to watch for tiny pieces that might break loose as you work.

When you have your new battery, insert it in the same way that you removed the old one. The positive (+) side should face the buttons and the reverse (-), the markings on the compartment for the battery.

Check the fob to determine whether it is working by pressing a button. If it doesn't work, there could be an issue with your car that requires a professional to keyless entry repair or replace.

Some key fobs are difficult to open and the contacts may be fragile and easily corrosion-prone. In these cases, the best option is to consult a car specialist or dealer. When replacing a battery be gentle and follow the owner's instructions. You might be able find a similar battery at a discounter 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 guard against theft, many key fobs have a mechanical key hidden inside. When the battery in a fob dies it will leave a blank key left behind that can be used to unlock trunks and doors. In some cases the key could even start certain vehicles. Many people don't realize this however they could save themselves from a trip to the dealer by simply replacing the fob battery. Most modern fobs have flat watch-style batteries that are easy to find in auto parts stores and hardware shops. Using the correct type of battery is essential, however. The wrong type can damage the circuitry, causing the fob's failure much sooner.

If the problem persists after you replace the battery, it may be a sign that there is something else wrong in your vehicle. If you have an owner's manual look for a reset procedure is available to restore the fob's original programming. If this doesn't work, you'll have visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.

Fobs may also fail because of faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they send signals that allow you to unlock and start your car with the fob. If you're being required to get closer and closer to your car to be able to make it work, there's a great chance the transmitter is failing.

A professional might need to open the fob's case to replace the transmitter. A simple screwdriver will usually accomplish the task however, some fobs have complex release mechanisms that require a specific tool or specialized equipment available only through a dealer. It is a good idea to have a certified mechanic handle this job to ensure you don't accidentally break the fob or injure yourself.

Reprogramming the Key

Often a non-functional key fob just requires a new battery. Because they are cheap and easily available at pharmacies and home improvement stores, it's an excellent first step prior to buying a new car key fob.

Alternatively, you may be able to reprogram the fob yourself by following a few basic steps. This process varies between vehicle makes, so it's important to consult your owner's manual and research the specifics of your model. One key fob could require that the ignition switch be turned on while changing the program. Another key might require the key to be removed and inserted repeatedly.

The general procedure is very simple. First, make sure that the new battery is securely in place. Close all doors, except the driver's door. This will ensure that the new key is communicating with the vehicle properly. Then, put the old key back in the ignition and turn it to the ON position, but do not start the engine. Press the lock button while aiming the fob at the receiver of the transmission. This is typically located on the left side, just above the mirror. The key will notify the vehicle within a brief amount of time that it is 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 replacing the batteries. If the problem persists you may want to visit your car dealer or locksmith. A professional will have the tools and equipment needed to reprogram your car's fob, or create the key if needed.

Genesky says he's able to program newer fobs at around $200 to $250, based on the vehicle. He's been denied European models rejected due to the fact that they don't have the equipment required. A majority of the aftermarket fobs are programmed, but you should always check with your local car dealer to determine the price.

How do I get a new fob

If your key fob is simply beyond repair, you may need to get a new one. Depending on the make and model, an auto locksmith or dealership may be able help. The dealership is likely to be the most expensive option for a fob replacement, but they will also have all the required tools and software to program your car correctly. Many independent locksmiths offer a new car key fob at a much lower price.

Before you decide to purchase a new key fob it's a good idea to try resetting your current device. The owner's manual should explain the proper procedure for reset which is typically a series of button pushes that reset the original programming.

It's an excellent idea to check the owner's manual and warranty information prior to deciding which place to go for the replacement of your key fob. If your car's warranty still active or you have an auto club or insurance policy that covers bumper to bumper, you may qualify to receive a reimbursement for the cost of a replacement fob.

The process of getting a fob can be simple enough however, finding the right location to do it can be a challenge. It is possible to go to the dealer to get this service if you have a newer car and you want to be confident that your key fobs work properly. If you're looking for a more affordable option, it is often possible to find an independent locksmith who can provide the same services for a significantly lower price.

If you're not confident handling this kind of work yourself A professional locksmith could be a great choice. They are trained and equipped to replace or reprogram car key fobs of all kinds and do it quickly. Locksmiths can also come to your office or home, which is convenient for many people. They can cut keys and program them on the spot if you've lost them. This is ideal for those who don't want to leave their car in the garage.