Car Key Fob Repairs

Key fobs today can do much more than simply unlock and start vehicles. This added complexity could lead to expensive repair bills when it fails.

It's good to know that the majority of fobs are powered by flat watch-style batteries, that can be replaced at home. You may find that a simple reset is enough to bring your fob back to life.

Battery Replacement

A dead battery is the main cause of a key fob that isn't working. This is a simple repair, and is worth a try before you spend money on a new fob. Simply take your car to a local auto parts store or hardware retailer that carries button cells and choose a replacement. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to repair car key fob to replace and open the battery in your fob.

You'll need to gently pry apart the sides of most fobs in order to access the battery. You'll typically need a small screwdriver or a different tool equipped with a thin, flat blade. It might help to look for a notch along the bottom of the fob which you can use to wedge your tool between. You might also want to keep an eye for tiny pieces that may come loose while you work.

When you have your new battery, insert it in the same way that you removed the old one. The positive (+) side should face the buttons and the negative (-) the marks on the compartment for the battery.

Check the fob to determine whether it is working by pressing a button. If it doesn't, you might have an issue with your car that requires a professional to repair or replace.

Certain key fobs require special tools to open, and the contacts inside may be delicate and easily corroded. In these instances you should consult a specialist in your car or the dealer will likely be your best option. When replacing a battery, be gentle and follow the owner's guide. You may be able to locate a comparable 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.

Replace the internal key

To protect against theft, the majority of key fobs come with an electronic key inside. If the battery of the fob fails, it leaves an internal key that is blank that is able to unlock trunks and doors (and in some cases start certain vehicles). Many people don't realize this however they could save from a trip to the dealer by simply replacing the fob battery. The flat watch-style battery is used in the majority of modern fobs. These batteries can be found in hardware stores and auto parts stores. Choosing the right type of battery is essential however. The wrong type can damage the circuitry and cause the fob to fail much earlier.

If you replace the battery and find the problem persists, it could be a sign something else is going on in your vehicle. If you have an owner's guide, check to see if a reset procedure is available to restore the fob's factory programming. If that doesn't help you'll have to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also malfunction because of faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and transmit signals that allow you to open and start your car using the fob. You may need to get closer to your car to enable it.

It might be required for a professional to open the case of the fob to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a specific tool or a special piece of equipment that can only be found at a dealer. It is a good idea to have a certified mechanic perform this task so you don't damage the fob or cause injury to yourself.

Reprogramming the Key

Often a non-functional key fob simply needs a fresh battery. Since these batteries are inexpensive and easily available at pharmacies and home improvement stores, this is the ideal first step before buying a new car key fob.

You can also change the programming of your key fob yourself by following some basic steps. The process is different for different vehicles makes, so it's important to read the owner's manual and research the specifics of the model you own. A key fob may require that the ignition be turned on while programming. Another key might require the key to be removed and inserted repeatedly.

The basic procedure is simple. First, make sure the new battery is firmly in place. Close all doors, with the exception of the driver's door. This will ensure that the new key is communicating with the vehicle in a correct manner. Place the old key in the ignition, then turn it on but do not start the engine. Press the lock button while aiming the fob at the transmission receiver. This is typically located on the left side, just above the mirror. The key will signal to the vehicle within a short amount of time that it is being programmed. This can be done by turning the door locks or emitting an audible chime. This can be a difficult process, so it's important to be attentive to the timing and to not over-press the key button.

If the key fob isn't working Try reprogramming it using new batteries. If the problem persists you should visit your dealer for your emergency car key Repair or locksmiths should be considered. A professional will have all the tools and equipment to reprogram your car's fob, or even create a brand new one if needed.

Genesky claims he is able to program newer fobs that range between $200 and $250, based on the vehicle. He's had European models rejected because they don't have the equipment required. Most aftermarket fobs can be programmed, but you should always inquire with your local car dealer to determine the price.

A New Fob

If the key fob you have cannot be repaired, you may have to purchase 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 option for a replacement fob however, they'll have all the required tools and software to program your vehicle correctly. Numerous locksmiths who are independent offer a new car key fob for an affordable price.

It's a good idea 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 usually just pushing a few buttons that restores it to factory programming.

It is also recommended to check the owner's manual and warranty information to see if you can get a replacement key fob. If your car's warranty is still in effect or you have an auto club or car insurance policy that covers bumper-to-bumper you could qualify for a reimbursement of the cost of replacing the fob.

The process of getting a fob can be simple enough however finding the best place to have it done isn't easy. If you own a new car and want the security with knowing that your key fobs are in good condition, you may be better off visiting the dealership to get this service. However, if you're looking for an affordable alternative it is usually possible to find an independent locksmith who can offer the same services for a lower cost.

If you're not confident handling this type of work on your own A professional locksmith could be a great option. They are certified and Emergency car key repair equipped to repair or replace the majority of car key fobs, and often they can accomplish the task in a short time. Locksmiths is also able to visit your house or office which is a great option for a lot of people. They can even cut and program keys repair on the spot if you have lost them, which is ideal for those who prefer not to leave their cars in the dark.