These Are The Most Common Mistakes People Make When Using Car Key Fob Repair

Car Key Fob Repairs

Key fobs of today do a lot more than unlock and start cars. However, that added complexity can add up to expensive repair costs if one of them breaks.





It's good to know that most fobs are powered by flat watch-style batteries which can be easily replaced at home. And you may find that a reset will bring it back to life.

Battery Replacement

The most common reason a key fob stops working is due to an inoperative battery. This is easy to repair, and is worth trying before you decide to spend money on a new fob. You can pick up an additional button cell battery at a local auto part retailer or hardware store if you have one. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to remove and replace the battery inside your fob.

You'll need to gently pull away the sides of the majority of fobs to access the battery. You'll usually need a small screwdriver or another tool with a thin, flat blade. It may be helpful to look for a notch along the lower edge of the fob that you can use to put your tool in between. It is also advisable to keep an eye out for small pieces that could come loose while you work.

Install the new battery in 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.

Push a button to test the fob. If it isn't working, there might be a problem with your vehicle that needs to be repaired or replaced by a specialist.

Certain key fobs require specific tools to open and close, and the connections inside may be delicate and easily corroded. In these cases the best solution is to consult a car expert or dealer. If you need to replace a battery, try to be gentle and follow the specific instructions in the owner's manual. You might be able locate a comparable battery at a discounter or a big-box retailer however, you'll need to refer to your owner's manual to be sure that it matches your car.

Replacing the Internal Key

The majority of key fobs have a physical mechanical key that is hidden within the fob to keep it from being stolen. If the battery inside the fob goes out and the key is discarded, a blank one is left behind, which can be used to unlock doors and trunks. In some instances it is possible to start certain vehicles. Most people don't know this however, they can save having to go to the dealership by simply replacing the fob battery. The flat watch-style battery is found in most modern fobs. These batteries are easily located at hardware stores and auto parts stores. The right kind of battery is essential however. A bad battery can damage the electronic circuitry, causing the fob to fail earlier.

If the issue persists even after you have replaced the battery, it may be an indication that there is something else wrong with your vehicle. If you have an owner's manual, check to see if you can use a reset procedure 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 can also fail due to malfunctioning transmitter receivers. They are typically placed on the dashboard or close to the steering wheel, and transmit signals that allow you to open 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 possibility that the transmitter is not working.

A professional may need to open the case of the fob to replace the transmitter. A simple screwdriver can usually accomplish the task however some fobs come with complex release mechanisms that require a specific tool or equipment that is available only through a dealer. This is a job that should be performed by a certified mechanic in order to avoid damaging the fob and yourself.

Reprogramming the Key

Often a non-functional key fob just requires a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, this is a good first step before buying a new car key fob.

You can also change the programming of your key fob on your own if you follow a few basic steps. This process can vary between vehicles, so it is recommended to read the owner's manual and research the model you have. One key fob might require that the ignition switch be switched on when changing the program. A key fob might require the key to be inserted several times.

The general procedure is very simple. First, ensure that the new battery is firmly in place. Then, get in the driver's seat, and close all doors EXCEPT for the driver's side door. This will ensure the new fob is communicating with the vehicle properly. Place the old key in the ignition, turn it ON but don't start the engine. Press the lock button while aiming the fob at the transmission receiver. This is usually located on the front, above the mirror. Within a short time frame the key will announce to the vehicle that it's been programmed by triggering the doors' locks or generating an emitted sound. This is a challenging process, so pay attention to timing and don't over-press the button.

If the key fob won't function after reprogramming, you can try using a new battery. If the issue persists, you might want to visit your car dealer or locksmith. A professional will have all the tools and equipment to reprogram your car fob or create a new one, if required.

key fob repairs says that he can program newer fobs between $200 and $250, based on the model of vehicle. But he's had to refuse customers with European models because he doesn't have the expensive equipment required. Most aftermarket fobs can be programmed, but you should always consult your local dealer to determine the cost.

A New Fob

If the key fob you have cannot be repaired, you may have to purchase another one. Depending on the make and model, an auto locksmith or a dealership might be able to assist. 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 correctly. If you are looking for a less expensive solution, a variety of locksmiths will be able to provide you with a brand-new car key fob for a more affordable price.

It's a good idea to try to reset your current device before you rush out to buy an entirely new one. The owner's guide should explain the correct procedure for reset. This is usually the result of a series of button presses that reset the factory program.

It is also recommended to check the owner's guide and warranty information to determine whether you can obtain a replacement fob for your key. If your vehicle is under warranty, or you have a car-insurance policy or auto club membership that includes bumper-to-bumper protection, you may be eligible for reimbursement for the cost of an entirely new fob.

Getting a fob is easy enough however, finding the right place to have it done can be tricky. It is possible to go to the dealer for this service if have a newer vehicle and you want peace of mind knowing that your key fobs are functioning correctly. If you are looking for a cheaper alternative, it is possible to find a locksmith that will offer the same service at a lower price.

If you aren't comfortable handling this type of work on your own A professional locksmith could be a great option. They're trained and equipped to replace or reprogram car key fobs of all kinds and can do it quickly. Additionally, locksmiths can often come to your home or office to do the job, which can be very useful for certain people. They can cut and program keys on site if you've lost them. This is ideal for those who do not want to leave their vehicle without a key.