Car Key Fob Repairs

Key fobs today can do more than unlock and start cars. This added complexity can lead to expensive repair car key remote bills when it fails.

The good news is that most fobs are equipped with flat-watch-style batteries that are easy to replace at home. It is possible that a reset will bring it back to life.

Battery Replacement

The most frequent reason that a key fob doesn't work is due to an inoperative battery. It's easy to fix and worth trying before you spend money on the replacement fob. Simply take your car to a local auto parts store or a 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 open and replace the battery in your fob.

Most fobs come with two halves that snap together -You'll need to pry the sides apart to get to the battery. You'll typically need a small screwdriver or a different tool equipped with a thin, flat blade. It's a good idea to look for a notch on the bottom of the fob that you can use to put your tool in between. You might also want to look for small pieces that may fall off while working.

Install the new battery in the same way as 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.

Press a button to test the fob. If it fails, it could be a problem in your car that needs to be fixed or replaced by a specialist.

Certain key fobs are difficult to open, and the contacts may be brittle and easily damaged. In these cases the best choice is to consult a car expert or a dealer. If you're in need of replacing the battery, make sure to be very gentle and follow the specific instructions in your owner's manual. You might 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 make sure that it's the right one for your vehicle.

Replacing the Internal Key

To prevent theft, most key fobs are equipped with an internal mechanical key that is hidden within. If the battery of the fob fails, it leaves an internal key blank that can unlock trunks and doors (and in some cases start certain cars). 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 batteries are used in the majority of modern fobs. These batteries can be found in hardware and auto parts stores. Choosing the right type of battery is important, however. A bad battery can cause damage to the circuitry and lead to the fob to fail much earlier.

If the problem persists even after you have replaced the battery, it may be an indication that something else is wrong with your vehicle. If you have an owner's manual look for a reset procedure is available to restore the fob's factory programming. If this doesn't work, you'll have to visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.

Fobs may also fail due to malfunctioning transmitter receivers. They are usually found close to the steering wheel, or in the dashboard. They transmit signals that enable you to unlock your car and start it with the fob. You may need to get closer to the car in order to enable it.

It could be necessary for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver will usually work, however some fobs require a specialized tool or special equipment that can only be found at a dealership. This job should be performed by a qualified mechanic to ensure that the fob is not damaged and yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working simply requires a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, it's a good first step before buying the purchase of a new car key fob.

Alternately, you might be able to reprogram the fob by following a few basic steps. The procedure varies for different vehicle makes, so it's important to refer to the owner's manual and research the specifics of the model you own. For example, one key fob may require that the ignition be switched on while reprogramming the key. A key fob might require the key to be inserted multiple times.

The general procedure is very easy. Make sure the battery is securely in place. Then, get in the driver's seat, and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob is communicating with the vehicle correctly. Put the old key in the ignition, turn it ON, but do not start the engine. Press the lock button while aiming the fob toward the receiver for transmission. This is typically located on the left side, just above the mirror. The key will notify the vehicle within a short amount of time that it's being programmed. This can be done by cycling the door locks or emitting an audible chime. This procedure can be difficult, so it's important to be aware of the timing and don't over-press the key button.

If the key fob still isn't working try reprogramming it with new batteries. If the problem persists you might want to visit your local locksmith or dealer. A professional will have the tools and programming equipment to reprogram your car's fob or make the key if required.

Genesky says he's able to program newer fobs at around $200-$250, depending on the vehicle. However, he's had the need to refuse customers with European models due to the fact that he doesn't have the expensive equipment they require. A majority of the aftermarket fobs are programmed, but you should always inquire with your local dealer to find out the price.

How to get a new fob

If your mobile key repair fob cannot be repaired, you may have to purchase an entirely new one. Based on the make and model, a dealership or an auto locksmith may be able to assist. The dealership is likely to be the most expensive alternative for replacing a fob, but they will also have the necessary tools and software needed to program your vehicle correctly. If you're looking for a cheaper solution, a variety of locksmiths can provide you with new car keys for a much more reasonable price.

It is a good thing to try to reset the fob you have before you decide to buy a new one. Your owner's manual should outline the proper reset procedure that is typically a series of button pushes that restores the original programming.

You should also check the owner's guide and warranty information to see if you can get an alternative fob for your key. If your car is under warranty, or you have a car-insurance policy or auto club membership that provides bumper-to-bumper protection, you may be able to receive some reimbursement for the cost of a new fob.

Finding the best location to purchase a fob can be a challenge. It is possible to visit the dealer for this service if are driving a brand new car and you want to be confident that your key fobs work correctly. If you are looking for a cheaper alternative, it is possible to find a locksmith who can provide the same service at an affordable cost.

If you aren't comfortable handling this type of work yourself, a professional locksmith may be a great option. They are trained and equipped to replace or reprogram keys for cars of all types, and can do so quickly. Locksmiths is also able to visit your office or home which is a great option for a lot of people. They can cut and program keys on the spot if you've lost them. This is perfect for those who do not like to leave their Remote control car key repairs without a key.