Car Key Fob Repairs
Today's key fobs do a lot more than unlock and start cars. This added complexity can cause costly repair costs in the event that it malfunctions.
It's a good idea to know that the majority of fobs are powered by flat watch-style batteries that can be replaced at home. And you may find that a reset will make your device work again.
Battery Replacement
A dead battery is the most frequent cause of a key fob that isn't working. It's simple to solve and is worth a try before you purchase the replacement fob. You can buy a new button cell battery at your local auto part store or hardware retailer If you own one. You can also refer to your 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 on opening and replacing the battery on the specific type of fob you have.
You'll need to gently pull away the sides of the majority of fobs to access the battery. You'll usually need a small screwdriver or a different tool that has a flat, thin blade. You can put your tool into a slot on the bottom of the key fob. You may also want to keep an eye out for small pieces that may come loose while you work.
Insert the new battery in the same way as you removed the old one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the compartment for the battery.
Test the fob to see whether it functions by pressing the button. If it isn't working, there could be a problem in your car that needs to be fixed or replaced by a professional.
Certain key fobs require specific tools to open and close them, and the contacts inside can be fragile and easily corroded. In these situations you should consult a specialist in your car or dealer may be your best option. When replacing a battery be gentle and follow the owner's guide. You might be able find a similar battery at a discounter or a big-box retailer, but you'll need to refer to your owner's manual to make sure that it matches your car.
Replace the internal key
Most key fobs contain the physical key mechanical, but it's hidden inside the fob to keep it from being stolen. When the battery in the fob dies, it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases start certain cars). Most people don't know this, but they can save from a trip to the dealer by simply replacing the fob battery. Most modern fobs have flat watches-style batteries that can be found in auto parts stores and hardware shops. Using the correct type of battery is important however. A bad battery can cause damage to the circuitry and cause the fob's failure much sooner.
If you replace the battery and discover that the issue persists it could be an indication that something else is wrong with your vehicle. 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 help, you'll need to visit a dealer or an independent shop that specializes in vehicle security systems and fob programming.
Fobs may also malfunction because of faulty transmitter receivers. They are usually found close to the steering wheel or in the dashboard. They transmit signals to allow you to unlock your car and begin it using the fob. If you notice that you're having to get closer and closer to your vehicle to get it to work, there's a high possibility that the transmitter is not working.
A professional might have to open the fob's case to replace the transmitter. A simple screwdriver is enough to accomplish the task however some fobs come with complex release mechanisms that require a specialized tool or equipment that is available only at a dealer. It is a good idea to have a qualified mechanic perform this task so 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. Because key repairs are cheap and readily available at pharmacies and home improvement stores, this is an excellent first step prior to buying the purchase of a new car key fob.
Alternately, you might be able to program the fob yourself by following a few basic steps. This process varies between vehicle makes, so it's important to consult your owner's manual and research the specifics of your model. One key fob might require that the ignition switch be switched on when changing the program. Another key might require the key to be removed and inserted repeatedly.
The general procedure is very simple. First, make sure that the new battery is firmly in place. Then, get in the driver's seat and close all doors, with the exception of the driver's side door. This will ensure that the new key fob communicates with the vehicle in a proper manner. Put the old key in the ignition, turn it ON however, don't start the engine. Press the lock button while aiming the fob towards the receiver of the transmission. It is usually located on the left side, just above the mirror. Within a short time frame the key will signal to the vehicle that it's been programmed by cycling the doors locks or emitting an emitted sound. This process can be tricky so it's essential to pay attention to the timing and to not over-press the key button.
If the key fob does not work after reprogramming, try using a new battery. If the problem persists you might want to check with your car dealer or locksmith. A professional will have all the tools and equipment to reprogram the car fob, or even create a brand new one, if required.
Genesky says he's able to program newer fobs at around $200-$250, based on the model of vehicle. Genesky has had European models rejected due to the fact that there isn't the equipment needed. A majority of the aftermarket fobs are programmed, but always consult your local car dealer to find out the price.
A New Fob
If your key fob is beyond repair, you might need to purchase a new one. Based on the make and model, a dealership or an auto locksmith may be able to help. The dealership is likely to be the most expensive option for a replacement fob, but they will also have all the required tools and software to programme your vehicle properly. car key repair cost who are independent offer a brand new car key fob at a much lower price.
Before you purchase a new fob it's a good idea to try resetting your current device. The owner's manual should outline the correct procedure for reset. This is usually the result of a series of button presses that restores the factory programming.
You should also look over your owner's guide and warranty information to see if you can get an alternative fob for your key. 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 able to receive some reimbursement for the cost of the new fob.
Finding the best location to purchase a fob can be a challenge. If you have a relatively new car and would like the security from knowing that your key fobs are in good order, you may prefer going to the dealership to get this service. If you're looking for a more affordable alternative, it's possible to find a locksmith who will offer the same service for less cost.
A professional locksmith is a great option If you're not confident doing this type of work. They are trained and equipped to change or reprogram keys for cars of all kinds and do it quickly. Additionally, locksmiths can often come to your home or office to do the job which is practical for some. They can cut and program keys on site if you've lost them. This is perfect for those who don't want to leave their car without a key.