Car Key Fob Repairs

Today's key fobs can do more than unlock and start vehicles. This added complexity can lead to expensive repair bills when it fails.

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

Battery Replacement

A dead battery is the most frequent reason for the fob's key not working. This is easy to repair, and is worth a try before you decide to spend money on a new fob. You can buy a new button cell battery at your local auto part retailer or hardware store if you have one. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to open and replace the battery inside your fob.

You'll need to gently pry off the sides of many fobs to reach the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a small blade. You can wedge your tool into a slot on the bottom of the key fob. It is also advisable to look for small pieces that could be loosened while working.

When you have your new battery, place it in the same way that you removed the old one. Make sure that the positive (+) side is facing up towards the buttons and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.

Test the fob to see if it works by pushing a button. If it doesn't work, there could be an issue with your vehicle that requires a professional to fix or replace.

Certain key fobs are difficult to open, and the contacts may be fragile and easily corrosion-prone. In these situations the best choice is to talk to a expert or dealer. If you need to replace a battery, try to be very gentle and adhere to the specific instructions in your owner's manual. You might be able to find an identical battery in a big-box store or discounter, but make sure to check your owner's guide to ensure that it's compatible with your car.

Replace the internal key

To protect against theft, the majority of key fobs come with a mechanical key hidden inside. When the battery in a fob dies, a blank key is left behind, which can be used to open doors and trunks. In some instances it is possible to start certain vehicles. Most people don't realize that they can avoid a trip to the dealership by replacing the fob batteries. Most modern fobs use flat watch-style batteries that are easy to find at auto parts stores and hardware shops. It is essential to choose the correct kind of battery. A wrong type of battery can harm the electronic circuitry, which can cause the fob to fail much faster.

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

Fobs can also malfunction because of faulty transmitter receivers. They are usually found close to the steering wheel or in the dashboard. They transmit signals to allow you to unlock your car and start it with the fob. If you notice that you're being required to get closer and closer to your car to be able to make it work, there's a high possibility that the transmitter is not working.

It might be required for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver can usually accomplish the task however, some fobs have complicated release mechanisms that require a special tool or specialized equipment available only at a dealership. It's best to have a certified mechanic handle this job to ensure you don't damage the fob or cause injury to yourself.

Reprogramming the Key

A key fob that is not functioning just requires a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, it's the ideal first step before investing in an entirely new car key fob.

You may also be able to program the fob on your own by following the steps. The process is different for different vehicles makes, so it's important to refer to the owner's manual and research the specifics of the model you own. One key fob could 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 process is straightforward. First, ensure that the new battery is securely in place. Then, get into the driver's seat and shut all doors, with the exception of the driver's side door. This will ensure that the new key fob is communicating with the vehicle correctly. Then, put the old key back in 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 making sure to point it towards the transmission receiver, which is usually situated on the front of the mobile car key repair above the mirror. Within a short time frame, the key will indicate to the vehicle that it's been programmed by cycling the doors' locks or emitting a chime. This is a difficult process, so pay close attention to the timing and avoid pressing too hard the button.

If the key fob doesn't work after reprogramming it, try using a new battery. If the problem persists you should visit your dealer for your car key repair cost or a locksmith is a good idea. A professional locksmith will have the tools and equipment to reprogram your car's fob or create a new one if needed.

Genesky claims he is able to program newer fobs ranging from $200 and $250, depending on the model of vehicle. He's experienced European models turned away because they don't have the equipment required. Most aftermarket fobs can be programmed, but always consult your local car dealer to find out the cost.

A New Fob

If your key fob is beyond repair, you might need to get an entirely new 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 however, it will also have the tools and software necessary to program your car properly. If you are looking for a less expensive solution, many independent locksmiths can provide you with new car keys for a much more reasonable price.

It is a good thing to attempt to reset your current fob before you make the decision to purchase another one. The owner's manual should outline the correct procedure for reset. It is typically a series button presses that restores the factory programming.

It is also recommended to check the owner's manual and warranty information to see whether you can obtain a replacement key fob. If your car's warranty is in good standing or you have an auto key fob repair club or insurance policy that covers bumper to bumper, you may qualify for a reimbursement on the cost of a replacement fob.

Getting a fob is easy enough however, finding the right place to have it done can be a challenge. If you own a new vehicle and you want the peace of mind that comes with knowing that your keys fobs are in working condition, you may be better off going to the dealership to get this service. If you're looking for an option that is more affordable, it is often possible to find a locksmith independent who can offer the same services for a significantly lower price.

A professional locksmith is a great choice for those who aren't comfortable with this type of work. They are equipped and trained to change or reprogram car key fobs of all kinds, and can do so quickly. A locksmith can also visit your house or office which is convenient for many. They can even cut and program keys on-site in case you've lost keys, which is ideal for those who prefer not to leave their vehicles unattended.