Car Key Fob Repairs

Key fobs today do much more than simply unlock and start vehicles. However, the added complexity could add up to expensive repair costs in the event that one of them malfunctions.

The good news is that most fobs have flat-watch-style batteries that are easy to replace at home. And you may find that a reset will make your device work again.

Battery Replacement

A dead battery is the most frequent cause of the fob’s key not working. It’s a simple fix, and it’s worth a try before you decide to spend money on a new key fob. Take your car to an hardware or auto parts retailer that carries button cell batteries and pick up an alternative. You can also consult the owner’s manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to open and replace the battery inside your fob.

You’ll have to gently pull off the sides of many fobs to reach the battery. You’ll need a small, flat-bladed screwdriver, or a different tool with a thin blade. You can put your tool into a notch at the bottom of the key fob. It is also advisable to look out for tiny pieces that could break loose as you work.

Insert the new battery the same way you removed the previous one. Make sure the positive (+) side is facing up toward the buttons, and that the negative (-) side of the battery is aligned correctly with the marks inside the battery compartment of your fob.

Check the fob to determine if it works by pushing a button. If it fails, it may be a problem with your vehicle that requires to be fixed or replaced by a professional.

Certain key fobs require special tools to open, and the contacts inside could be fragile and susceptible to corroding. In these instances, the best option is to speak with a expert or a dealer. When replacing a battery, be gentle and follow your owner’s instructions. You might be able find a similar battery at a discounter or big-box retailer, but you’ll need to consult your owner’s manual to ensure that it’s compatible with your vehicle.

Replacing the Internal Key

To prevent theft, most key fobs are equipped with a mechanical key hidden inside. When the battery in the fob dies it leaves an internal key that is blank that can unlock trunks and doors (and in some cases, start certain vehicles). Most people aren’t aware of this, but they can save themselves from a trip to the dealer by simply replacing the fob’s battery. The flat watch-style batteries are used in the majority of modern fobs. These batteries are easily located at auto parts stores and hardware stores. The right kind of battery is crucial, however. A bad battery can damage the electronic circuitry, causing the fob to fail much faster.

If you change the battery and find the issue persists it could be a sign something else is wrong with your car. 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 help, you’ll need to visit a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also malfunction due to malfunctioning transmitter receivers. These are usually built into 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 notice that you’re being required to get closer and closer to your car to be able to make it work, there’s a good chance that the transmitter isn’t working.

A professional might need to open the fob’s case to replace the transmitter. A simple screwdriver will usually work, however certain fobs require a special tool or a special piece of equipment which can only be found at a dealer. It’s a good idea to have a qualified mechanic do this job so that you don’t damage the fob or hurt yourself.

Reprogramming the Key

A key fob that is not working may simply need an upgrade in battery. Since these batteries are inexpensive and easily available at pharmacies and home improvement stores, it’s a good first step before buying the purchase of a new car key fob.

You can also re-program your key fob on your own by following some basic steps. The procedure varies for different vehicle brands, so it’s essential to consult your owner’s manual as well as research the specifics of your model. For emergency car key repair might require the ignition to be on while reprogramming it. One key fob could require the key to be inserted multiple times.

The process is straightforward. Make sure that the battery is securely in place. Close all doors, with the exception of the driver’s door. This will ensure that the new key fob is communicating with the vehicle properly. Insert the old key into the ignition and turn it on however, don’t start the engine. Next, press the lock button on the fob, while looking at the transmission receiver, which is typically situated on the front of the vehicle above the mirror. Within a brief time the key will signal to the vehicle that it’s being programmed by turning off the doors locks or emitting a chime. This procedure can be difficult, so it’s important to be attentive to the timing and to not over-press the key button.

If the key fob does not work, try reprogramming it again with new batteries. If the issue isn’t resolved, a visit to the dealer of your vehicle or a locksmith should be considered. A professional locksmith will have the tools and equipment required to reprogram your car’s fob, or even create a brand new one if necessary.

Genesky claims he is able to program newer fobs that range between $200 and $250, based on the model of vehicle. He’s had European models rejected due to the fact that they don’t have the equipment needed. Fortunately, most aftermarket fobs are programmable, but it’s always recommended to consult an auto dealer first to determine what their price is.

How do I get a new fob

If your key fob is simply damaged beyond repair, you could require an alternative. Depending on the make and model, the dealer or an auto locksmith might be able to help. The dealership will likely be the most expensive alternative for replacing a fob however, they’ll have all the required tools and software needed to program your car correctly. Many locksmiths in independent shops offer a brand new car key fob at an affordable price.

It’s a good idea to attempt to reset your current fob before you make the decision to purchase another one. The owner’s manual should provide the correct procedure for reset. It is typically the result of a series of button presses that reset the factory program.

It is also recommended to check the owner’s manual and warranty information to determine if you can get an additional key fob. If your car’s warranty in good standing or you have an auto club or car insurance policy that covers bumper to bumper, you may qualify for a reimbursement of the cost of replacing the fob.

Finding the right location to purchase a fob can be difficult. If you own a new car and want the security with knowing that your keys fobs are in good working condition, you may be better off visiting the dealership to get this service. However, if you want an affordable alternative it is usually possible to find a locksmith independent who can provide the same service for a significantly lower price.

A professional locksmith is a great option If you’re not confident doing this type of work. They are trained and equipped to reprogram or replace the majority of car key fobs, and often, they can do it quickly. Locksmiths can also come to your office or home which is convenient for many people. They can even cut and program keys on-site when you’ve lost keys, which is ideal for those who prefer not to leave their vehicles unattended.