Car Key Fob Repairs

Key fobs today can do much more than simply unlock and start vehicles. This extra complexity can cause costly repair costs if it breaks.

The positive side is that many fobs have flat-watch-style batteries that are simple to replace at home. You may find that a simple reset will make your fob work again.

Battery Replacement

The most common reason the key fob ceases to function is due to the battery being dead. This is easy to fix, and it's worth trying before you decide to spend money on a new fob. You can purchase an additional button cell battery at your local auto part retailer or hardware store if you have one. You can also refer to the owner's manual (or, if you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions for opening and replacing the battery in the specific type of fob you have.

Most fobs come with two halves that snap together -You'll need to pry the sides apart to get to the battery. It's usually a screwdriver or another tool equipped with a thin, flat blade. You can insert your tool into a notch at the bottom of the key fob. It is also advisable to keep an eye out for tiny pieces that may come loose as you work.

Insert the new battery in the same way you removed the old one. The positive (+) side should be facing the buttons, while the opposite side is facing (-), the markings on the battery compartment.

You can push a button to test the fob. If it doesn't, there could be a problem with your car that requires a specialist to repair or replace.

Certain key fobs are difficult to open and their contacts may be fragile and easily damaged. In these cases you should consult a specialist in your car or dealer may be the best choice. If you need to replace the battery, make sure to be very gentle and adhere to the instructions that are specific to your owner's manual. You may be able to find a similar battery at a discounter or big-box retailer however, you'll need to consult your owner's manual to be sure that it matches your car.

Replacing the Internal Key

To protect against theft, the majority of key fobs come with a mechanical key hidden inside. When the battery in the fob fails, a blank key is left behind, which can be used to unlock trunks and doors. In some instances it is possible to start certain vehicles. Most people don't realize that they can avoid a trip to a dealership by replacing the fob's batteries. The flat watch-style battery is found in the majority of modern fobs. They can be found at auto parts stores and hardware stores. It is important to use the correct kind of battery. A bad battery can damage the electronic circuitry, causing the fob to fail much sooner.

If the problem persists after replacing the battery, it could be an indication that there is something else going on with your vehicle. Check your owner's manual to determine if you have an option to reset the fob and bring the fob back to factory programming. If that doesn't help then you'll need to visit a dealer or an independent shop that specializes in vehicle security systems and fob programming.

Fobs can also fail because of faulty transmitter receivers. They are usually found close to the steering wheel or in the dashboard. They transmit signals to enable you to unlock your car and begin it using the fob. You may have to move closer to the car in order to enable it.

It could be required for a professional to access the case of the fob 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 dealership. It is a good idea to have a certified mechanic perform this task so 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 the ideal first step before investing in the purchase of a new car key fob.

Alternately, you might be able to program the fob by following the steps. The process is different for different vehicles makes, so it's important to refer to the owner's manual and study the specifics of your particular model. One key fob could require the ignition to be turned on while changing the program. One key fob may require the key to be inserted multiple times.

The process is straightforward. First, make sure the new battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob is communicating with the vehicle in a proper manner. Then, place the old key back in the ignition and switch it to the ON position, but do not start the engine. Then, press the lock button on the fob, while looking at broken key repair the transmission receiver, which is typically located on the front of the car above the mirror. Within a brief time, the key will indicate to the vehicle that it's programmed by triggering the doors' locks or generating an emitted sound. This procedure can be difficult and it's crucial to pay attention to the timing and don't over-press the key button.

If the key fob still does not work try reprogramming it with new batteries. If the problem persists you might want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment necessary to re-program your car's fob or clone the key if required.

Genesky says that he can program newer fobs between $200 and $250, depending on the vehicle. However, he's had to turn down customers who have European models because there's no equipment they require. Luckily, the majority of aftermarket fobs can be programmable but it's always best to check with an auto dealer first to see what their price is.

Finding a New Fob

If your key fob is beyond repair, you may require an alternative. Depending on your vehicle's 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 car correctly. If you're looking for a cheaper solution, a variety of locksmiths will be able to provide you with an entirely new car key fob at a lower price.

It's a good idea to try to reset the fob you have before you rush out to buy an entirely new one. Your owner's manual should outline the proper procedure for reset that is typically a series of button pushes which restores the original programming.

It is also recommended to check the owner's guide and warranty information to determine whether you are eligible for a replacement key fob. If your car's warranty still active or you have an auto club or insurance policy that covers bumper-to-bumper you could be eligible for a reimbursement on the cost of replacing the fob.

Getting a fob is easy enough however finding the best location to do it can be a challenge. You may want to go to the dealer for this service if you have a newer car and you 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.

A locksmith professional is a great choice if you're not comfortable doing this kind of work. They are trained and equipped to change or reprogram key fobs for cars of all types, and can do so quickly. Locksmiths can also come to your office or home which is a great option for many. They can cut and program keys on the spot if you've lost keys. This is perfect for those who don't like to leave their car in the garage.