5 Car Key Fob Repair Myths You Should Avoid

Car Key Fob Repairs

Key fobs today can do much more than just unlock and start vehicles. But that extra complexity can cause high repair bills in the event that one of them malfunctions.

The good news is that most fobs have flat-watch-style batteries that are simple to replace at home. It is possible that a reset can make your device work again.

Battery Replacement

A dead battery is the most frequent cause of 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 purchase an additional button cell battery at your local auto part store or hardware retailer If you own one. You can also consult your owner's manual (or in the event that 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 in your particular type of 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 another tool with a blade that is thin. It may be helpful to look for a notch on the bottom of the fob that you can use to wedge your tool between. You might also want to watch out for small pieces that might break loose while you work.

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

Push a button to test the fob. If it doesn't work, you might have an issue with your vehicle that requires a specialist to repair or replace.

Certain key fobs can be difficult to open and their contacts may be fragile and easily corrosion-prone. In these instances, the best option is to consult a car expert or a dealer. When replacing a battery be gentle and follow your owner's instructions. You might be able locate a comparable battery at a discounter or big-box retailer, but you'll need to refer to your owner's manual to ensure that it's compatible with your vehicle.

Replace the internal key

The majority of key fobs have an actual mechanical key that is hidden within the fob to stop thieves from getting. When the fob battery dies, it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases, even start certain vehicles). Many people don't realize this however, they can save a trip to the dealership by simply replacing the fob's battery. The majority of modern fobs utilize flat-watch-style batteries which can be found in hardware stores and auto parts shops. It is important to use the correct kind of battery. A bad battery can cause damage to the circuitry and cause the fob to fail much earlier.

If you replace the battery and discover that the problem persists, it could be a sign something else is going on with your car. If you have an owner's manual look for there is a reset option available to restore the fob's original programming. If this doesn't work, you'll have go to a dealer or a shop independent that specializes in security systems for vehicles and key fob programming.

Fobs could also key repair car fail because of faulty transmitter receivers. They are typically placed on the dashboard or near the steering wheel, and they transmit signals that allow you to open and start your car using the fob. If you notice that you're having to get closer and closer to your car to get it to work, there's a high chance that the transmitter isn't working.

A professional might have to open the fob's case to replace the transmitter. A simple screwdriver will usually suffice, but some fobs require a specialized tool or a special piece of equipment that can only be purchased at a dealer. It is a good idea 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

Often a non-functional key fob just requires a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, it's an excellent first step prior to investing in an entirely new car key fob.

You can also re-program your key fob yourself If you follow some basic steps. This process varies between vehicle makes, so it's important to read the owner's manual as well as research the specifics of your particular model. One key fob could require that the ignition switch be turned on while changing the program. A key fob might require the key to be inserted several times.

The basic procedure is simple. Make sure the battery is securely in place. Close all doors except the driver's door. This will ensure that the new fob is communicating with the vehicle in a correct manner. Then, put the old key back into the ignition and turn it to the ON position, but don't start the engine. Press the lock button while aiming the fob toward the receiver of the transmission. This is typically located on the front, above the mirror. In a short period of time, the key will indicate to the vehicle that it's programmed by turning off the doors' locks or generating the sound of a chime. This process can be tricky so it's essential to be attentive to the timing and not to over-press the key button.

If the key fob won't work after reprogramming, try using a new battery. If the problem persists then a visit to your car dealer or locksmiths should be considered. A professional will have the tools and equipment necessary to re-program your car's fob, or create the key if required.

Genesky says he can usually program newer fobs for $200 to $250, based on the model of vehicle. Genesky has had European models rejected because he lacks the expensive equipment required. Fortunately, most aftermarket fobs are programmable, but it's always best to check with a car dealer first to see what their price is.

Getting a New Fob

If the key fob you have cannot be fixed, you could require an entirely new one. Based on the make and model, an auto locksmith or dealership may be able help. The dealership will likely be the most expensive alternative for replacing a fob however, they'll have all of the necessary tools and software to program your vehicle correctly. Many independent locksmiths offer a brand new car key fob at the lower cost.

It's a good idea to attempt to reset your current fob before you make the decision to purchase an entirely new one. The owner's manual should outline the correct procedure for reset. It is typically a series button presses that reset the factory program.

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

The process of getting a fob can be simple enough, but finding the right location to do it can be a challenge. If you have a relatively new car and would like the peace of mind that comes from knowing that your key fobs are in good condition, you might be better off visiting the dealership to get this service. If you are looking for a cheaper alternative, it's possible to find a locksmith that can provide the same service for a lower price.

A professional locksmith is a great choice if you're not comfortable doing this kind of work. They're trained and equipped to change or reprogram key fobs for cars of all types and can do it quickly. A locksmith can also visit your house or office which is a great option for a lot of people. They can even cut and program keys on the spot if you have lost keys, which is ideal for those who do not want to leave their cars unattended.