Car Key Fob Repairs

Key fobs today can do much more than unlock and start vehicles. But that extra complexity can cause high repair bills if one of them breaks.

The positive side is that many fobs use flat watch-style batteries that are simple to replace at home. You may even find 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 fix, and it's 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 parts store or hardware retailer if you have one. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery in your fob.

You'll need to gently pull off the sides of many fobs to access the battery. You'll typically need a small screwdriver or a different tool equipped with a thin, flat blade. You can wedge your tool into a slot on the bottom of the remote key repairs fob. You may also want to look for small pieces that may be loosened while working.

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

Push a button to test the fob. If it doesn't, you may have an issue with your vehicle that requires a professional to fix or replace.

Certain key fobs can be difficult to open and their contacts may be brittle and easily corroded. In these instances you should consult a specialist in your car or the dealer will likely be the best option. If you need to replace a battery, try to be gentle and follow the instructions that are specific to your owner's manual. You might be able to find a battery similar at a big-box retailer or discounter, but make sure to check your owner's guide to ensure it's compatible with your vehicle.

Replace the internal key

To protect against theft, the majority of key fobs have an internal mechanical key that is hidden within. If the battery of the fob fails it will leave an internal key blank which can open doors and trunks (and in some cases, start certain cars). Many people don't realize this, but they can save themselves having to go to the dealership by simply replacing the fob's battery. The flat watch-style battery is used in most modern fobs. These batteries can be found at auto parts stores and hardware stores. Choosing the right type of battery is important, however. A wrong type of battery can harm the electronic circuitry, which can cause the fob to fail much sooner.

If you change the battery and find the problem persists it could be a sign something else is happening with your vehicle. Go through the owner's manual to determine if you have a reset procedure that can restore the fob's factory-setup. If this fails, you'll need visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.

Fobs can also malfunction because of faulty transmitter receivers. They are typically placed on the dashboard or broken key repair near the steering wheel, and transmit signals that allow you to unlock and start your car with the fob. You may need to get closer to your car to enable it.

It could be required for a professional to access 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 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 break the fob or cause injury to yourself.

Reprogramming the Key

A key fob that is not working might just need an upgrade in 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 by following some basic steps. The procedure varies for different vehicle manufacturers, so it is important to refer to the owner's manual and study the specifics of the model you own. For example, one key fob may require the ignition to be on while reprogramming it. Another broken key Repair might require the key to be removed and inserted multiple times.

The general procedure is very easy. First, ensure that the new battery is firmly in place. Then, get into the driver's seat and close all doors, with the exception of the driver's side door. This will ensure the new fob is communicating with the vehicle properly. Then, place the old key back into the ignition and switch it to the ON position, but don't 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 car above the mirror. The key will signal to the vehicle within a short period of time that it's being programmed. This can be accomplished by turning off the door locks, or emitting an audible chime. This can be a tricky procedure, so pay attention to the timing and don't press too hard the button.

If the key fob doesn't work Try reprogramming it using new batteries. If the issue isn't resolved you should visit your dealer for your car or locksmiths should be considered. A professional locksmith will have the tools and programming equipment needed to reprogram your car's fob or clone a new key if it's needed.

Genesky says he can usually program newer fobs for around $200-$250, depending on the car. Genesky has had European models rejected because they don't have the equipment needed. Fortunately, many aftermarket fobs can be programmable but it's always best to talk to a car dealer first to determine the price.

How do I get a new fob

If the key fob you have cannot be fixed, you could need to buy an entirely new one. Depending on the model and make, an auto locksmith or dealership may be able help. The dealership is likely to be the most expensive option for a replacement fob However, they'll have all of the necessary tools and software to programme your vehicle properly. Numerous locksmiths who are independent provide a new car key fob for the lower cost.

It is a good thing to attempt to reset your current device before you rush out to buy another one. Your owner's manual should outline the proper reset procedure which is typically a series of button pushes which restores the original programming.

It's recommended to read your owner's manual as well as warranty information before you decide where to go for a key fob replacement. 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 the new fob.

The process of getting a fob can be simple enough however finding the best location to get it done can be tricky. You might want to visit the dealer to get this service if you have a newer car and want peace of mind knowing that your key fobs work properly. If you're looking for a cheaper alternative, it is possible to find a locksmith that can provide the same service at less cost.

If you're not confident handling this type of work yourself, a professional locksmith can be a great choice. They are trained and equipped to repair or replace keys for cars of all kinds, and can do so quickly. In addition, a locksmith can often come to your workplace or home to complete the task which can be extremely useful for certain people. They can even cut and program keys on-site if you have lost keys, which is ideal for those who do not want to leave their cars in the dark.