The 10 Scariest Things About Car Key Fob Repair

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Car Key Fob Repairs

Key fobs today can do much more than just unlock and start vehicles. However, that added complexity can cause high repair bills when one of them fails.

It's a good idea to know that most fobs are powered by flat watch-style batteries which can be easily replaced at home. It is possible that a simple reset can bring your fob back to life.

Battery Replacement

The most common reason a key fob stops working is because of the battery being dead. It's a simple repair, and is worth trying before you go spending money on a new key fob. You can purchase the new button cell at your local auto parts store or hardware retailer in the event that you already have one. You can also consult 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 apart the sides of most fobs to reach the battery. You'll usually need a small screwdriver or another tool that has a flat, thin blade. It might help to look for a notch on the lower edge of the fob that you can use to put your tool in between. It is also advisable to keep an eye for tiny pieces that could break loose while you work.

Insert the new battery the same way as you removed the old one. The positive (+) side should face the buttons and the reverse (-) the markings on the compartment for the battery.

Push a button to test the fob. If it doesn't work, there could be an issue with your vehicle that requires a professional to repair or replace.

Certain key fobs require special tools to open, and the contacts inside may be delicate and susceptible to corroding. In these instances, the best option is to speak with a expert or a dealer. If you need to replace the battery, make sure to be very gentle and follow the specific instructions in your owner's manual. You may be able to locate a comparable battery at a discounter or a big-box retailer, but you'll need to refer to your owner's manual to ensure that it's compatible with your vehicle.

Replacing the Internal Key

Most key fobs include an actual mechanical key that is hidden within the fob to stop thieves from getting. When the battery in the fob dies it will leave an internal key blank which can open trunks and doors (and in some cases start certain vehicles). Most people don't know this however they could save themselves a trip to the dealership by simply replacing the fob's battery. The flat watch-style battery is used in most modern fobs. They can be found at hardware stores and auto parts stores. The right kind of battery is essential however. A bad battery can damage the electronic circuitry, which can cause the fob to fail much faster.

If you try replacing the battery and discover that the issue is still there, it could be an indication that something else is happening with your car. If you have an owner's guide, check to see if there is a reset option available to restore the fob's factory programming. If this fails, you'll need visit a dealership or an independent shop that specializes in vehicle-security systems and key fob programming.

Fobs may also malfunction due to faulty transmitter receivers. They are usually found close to the steering wheel or on the dashboard. They transmit signals to enable you to unlock your vehicle and start it using the fob. If you notice that you're required to move closer and closer to your car in order to make it work, there's a high possibility that the transmitter is not working.

It might be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver can usually do the trick, but some fobs require a specialized tool or a special piece of equipment that can only be purchased at a dealership. It's best to have a certified mechanic perform this task so G28carkeys you don't accidentally break the fob or injure yourself.

Reprogramming the Key

Often a non-functional key fob just requires a new battery. They are easily available in both pharmacy and home improvement stores and are cheap. This is a good option to begin before purchasing an entirely new key fob.

Alternatively, you may be able to program the fob by following a few basic steps. This procedure can differ between vehicles, so it is recommended to read the owner's manual and study the specific model of your vehicle. One key fob might require that the ignition switch be turned on while reprogramming. One key fob could require the key to be inserted multiple times.

The general procedure is very easy. Make sure the battery is securely in place. Then, sit in the driver's seat, and close all doors, with the exception of the driver's side door. This will ensure the new key is communicating with the vehicle correctly. After that, put the old key back in the ignition and turn it on 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 typically located on the front of the car above the mirror. Within a short time frame, the key will indicate to the vehicle that it's been programmed by turning off the doors' locks or emitting an emitted sound. This can be a tricky procedure, so pay attention to timing and don't over-press the button.

If the key fob doesn't work after reprogramming, try replacing the batteries. If the issue persists, you may want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment needed to reprogram your car fob or design a new one if needed.

Genesky says that he can program newer fobs between $200 and $250, depending on the vehicle. However, he's had to turn down customers who have European models because they don't have the costly equipment they require. A majority of the aftermarket fobs are programmed, but you should always inquire with your local car dealer to determine the cost.

How do I get a new fob

If your key fob is simply beyond repair, you may need to purchase an entirely new one. Based on the model and make, an auto locksmith or a dealership may be able to help. The dealership is likely to be the most expensive option for a replacement fob however, it will also have the tools and software necessary to program your car correctly. Many locksmiths in independent shops offer a new car key fob for an affordable price.

Before you decide to purchase an entirely new device it's an excellent idea to try resetting your current device. The owner's manual will outline the proper reset procedure which is typically pushing a few buttons that reset the factory settings.

It's also a good idea to review the owner's manual and warranty information before you decide which place to go for the replacement of your key fob. If your vehicle's warranty is still active or you have an auto club or car insurance policy that covers bumper to bumper you could be eligible for a reimbursement of the cost of a replacement fob.

Getting a fob is easy enough however finding the best location to get it done can be a challenge. You may want to go to the dealer to get this service if you are driving a brand new car and want to be confident that your key fobs work correctly. However, if you're looking for an option that is more affordable, it is often possible to find a locksmith who is independent who can provide the same service at a much lower cost.

If you're not comfortable doing this type of work yourself, a professional locksmith can be a good option. They are skilled and equipped to repair or replace most types of car key fobs, and they can often accomplish the task in a short time. Additionally, locksmiths will often visit your office or home to complete the task, which can be very practical for some. They can even cut and program keys on the spot when you've lost keys, which is great for those who do not want to leave their cars unattended.