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Car Key Fob Repairs

Key fobs today can do more than unlock and start vehicles. However, the added complexity could add up to costly repairs when one of them fails.

It's good to know that a majority of fobs are powered by flat watch-style batteries, which can be easily replaced at home. And you may find that a reset will 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 fix and worth trying before you invest in an alternative fob. Simply drive your car to an auto parts store or a hardware retailer that stocks button cell batteries and purchase a replacement. You can also refer to your owner's manual (or, if 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 on the particular type of fob.

You'll need to gently pull off the sides of many fobs to reach the battery. You'll typically need a small screwdriver or some other tool with a thin, flat blade. You can put your tool into a slot on the bottom of the key fob. It is also advisable to look out for small pieces that may come loose while you work.

Insert the new battery the same manner as you removed the old 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, there could be an issue with your remote control car key repairs that requires a specialist to repair or replace.

Some key fobs are difficult to open and their contacts may be brittle and easily corrosion-prone. In these situations you should consult a specialist in your car or dealer may be your best option. When replacing a battery be gentle and follow the owner's instructions. You may be able to locate the same battery in a big-box store or discounter, but be sure you read your owner's guide to ensure it is compatible with your vehicle.

Replace the internal key

The majority of key fobs have the physical key mechanical however, it's hidden within the fob to keep it from being stolen. When the battery in a fob dies and the key is discarded, a blank one is left behind, which can be used to unlock doors and trunks. In some cases, this key can even start certain cars. The majority of people do not realize that they can avoid a trip to a dealership by replacing the fob batteries. The majority of modern fobs utilize flat watches-style batteries that can be found at hardware stores and auto parts shops. The right kind of battery is crucial, however. A wrong type of battery can harm the electronic circuitry, causing the fob to fail much faster.

If you replace the battery, and the issue persists, it could be a sign that something else is wrong in your vehicle. If you have an owner's guide look for a reset procedure is available to restore the fob's factory programming. If this doesn't work then you'll need to go to a dealership or an independent shop that specializes in vehicle security systems and fob programming.

Fobs may also fail because of faulty transmitter receivers. They are usually found close to the steering wheel, or in the dashboard. They transmit signals that enable you to unlock your vehicle and start it using the fob. If you notice that you're being required to get closer and closer to your vehicle to get it to work, there's a great chance that the transmitter isn't working.

A professional might need to open the case to replace the transmitter. A simple screwdriver is usually enough to do the trick, but certain fobs require a special tool or special equipment that can only be purchased at a dealership. It's best to have a qualified 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's not working could just require a new battery. These batteries are readily available in pharmacy and home improvement stores and are inexpensive. This is a great way to start before buying an entirely new key fob.

You can also reprogram your key fob on your own if you follow the steps below. This process can vary between vehicles, so it is recommended to refer to the owner's manual and study the specific model of your vehicle. A key fob may require the ignition to be switched on when reprogramming. Another might need the key to be removed and inserted repeatedly.

The general procedure is very easy. Make sure the battery is securely in place. Close all doors, except the driver's door. This will ensure that the new key fob communicates with the vehicle in a proper manner. Put the old key in the ignition, turn it on however, don't start the engine. Press the lock button while aiming the fob at the transmission receiver. This is usually located on the left side, just above the mirror. In a short period of time, the key will indicate to the vehicle that it's programmed by triggering the doors locks or emitting a chime. This is a difficult process, so pay close attention to timing and don't over-press the button.

If the key fob isn't working Try reprogramming it with fresh batteries. If the problem persists you might want to visit your car dealer or locksmith. A professional will have the tools and equipment needed to reprogram your car's fob or clone an entirely new key if needed.

Genesky says he's able to program newer fobs for $200-$250, depending on the vehicle. Genesky has been denied European models rejected because they don't have the equipment required. The majority of aftermarket fobs can be programmed, but always check with your local dealer to find out the cost.

Finding a New Fob

If your key fob can't be fixed, you could require another one. Depending on your vehicle's make and model, an auto locksmith or a dealership may be able to help. The dealership is likely to be the most expensive choice for a replacement fob but it will also have the tools and software required to program your car properly. If you are looking for a less expensive option, a number of independent locksmiths can provide you with new car keys for a much more reasonable cost.

Before you decide to purchase an entirely new device it's recommended to consider resetting your current device. The owner's manual will outline the proper procedure for reset that is typically the pushing of a button that restores the factory settings.

It's recommended to review your owner's manual as well as warranty information prior to deciding where to go for a key fob replacement. If your car is still under warranty, or you have a car-insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of the new fob.

Finding a fob is simple enough however finding the best location to get it done can be tricky. If you have a relatively new vehicle and you want the security from knowing that your key fobs are in good working condition, you might be better off visiting the dealership to get this service. If you're looking for an option that is more affordable it is possible to find a locksmith independent who can provide the same service for a lower cost.

A professional locksmith is a great option for those who aren't comfortable with this kind of work. They're trained and equipped to change or reprogram keys for cars of all kinds, and can do so quickly. Locksmiths is also able to visit your office or home which is convenient for many people. They can cut keys and program them on site if you've lost them. This is perfect for those who don't want to leave their vehicle without a key.