Car Key Fob Repairs
Key fobs today can do much more than unlock and start vehicles. This extra complexity can lead to expensive repair bills if it breaks.
It's good to know that the majority of fobs are powered by flat-watch-style batteries which can be replaced at home. You might find that a simple reset can make your fob work again.
Battery Replacement
The most common reason the key fob ceases to function is because of a dead battery. This is easy to repair, and is worth trying before you decide to spend money on a new fob. You can pick up an additional button cell battery at your local auto part store or hardware retailer if you have one. You can also refer to your owner's manual (or in the event that you don't have one, YouTube is full of videos from people who show you how to do it) for specific instructions on opening and replacing the battery on the particular type of fob.
Most fobs come with two halves that snap together -You'll need to pull the sides apart in order to access the battery. You'll typically need a small screwdriver or some other tool equipped with a thin, flat blade. It's a good idea to look for a notch along the lower edge of the fob that you can put your tool in between. You may also want to keep an eye out for tiny pieces that might break loose while you work.
Insert the new battery the same manner as you removed the previous one. The positive (+) side should face the buttons and the negative (-) the marks on the battery compartment.
Press a button to test the fob. If it fails, it might be a problem with your vehicle that needs to be fixed or replaced by a professional.
Certain key fobs are difficult to open and their contacts may be brittle and easily corrosion-prone. In these cases, a car specialist or dealer may be the best choice. If you're looking to replace a battery, try to be gentle and follow the specific instructions in the owner's manual. You may be able to find a similar battery at a discounter or a big-box retailer however, you'll need to consult your owner's manual to ensure that it's compatible with your vehicle.
Replace the internal key
The majority of key fobs have the physical key mechanical, but it's hidden inside the fob to stop thieves from getting. If the battery inside the fob goes out, a blank key is left behind that can be used to open trunks and doors. In certain cases it is possible to start certain cars. A majority of people don't realize that they can avoid a trip to a dealership by recharging the fob batteries. The flat watch-style batteries are used in most modern fobs. These batteries can be found at hardware stores and auto parts stores. It is important to use the correct type of battery. The wrong kind can damage the electronic circuitry, which can cause the battery to fail sooner.
If the problem persists even after you have replaced the battery, it could be a sign that something else is going on with your vehicle. If you have an owner's manual and you're not sure, try to determine if there is a reset option available to restore the fob's factory programming. If this doesn't work, you'll have go to a dealer or independent shop that specializes security systems for vehicles and key fob programming.
Fobs can also malfunction due to malfunctioning transmitter receivers. These are usually built into the dashboard or next to the steering wheel, and they send signals that allow you to open and start your car using the fob. You may need to get closer to your car to get it to work.
It may be necessary for a professional to access the case of the fob to replace the transmitter. A simple screwdriver is usually enough to work, however certain fobs require a specific tool or special equipment which can only be found at a dealership. It is a good idea to have a qualified mechanic handle this job to ensure you don't damage the fob or cause injury to yourself.
Reprogramming the Key
A key fob that's not working could just require an upgrade in battery. They are easily available in pharmacy and home improvement stores and are inexpensive. This is a great option to begin before purchasing an entirely new key fob.
Alternately, you might be able to re-program the fob on your own by following a few basic 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 the model you own. For example one key fob could require that the ignition be switched on while reprogramming the key. Another may require the key to be inserted and removed repeatedly.
The general procedure is very simple. Make key fob repair that the battery is securely 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 is communicating with the vehicle in a proper manner. Then, place the old key back into the ignition and switch it to the ON position, but do not start the engine. Next press the lock button on the fob while aiming it at the transmission receiver, which is typically situated on the front of the vehicle above the mirror. The key will inform the vehicle within a short period of time that it's being programmed. This can be accomplished by turning the door locks or emitting an audible chime. This procedure can be difficult so it's essential to pay attention to the timing and don't over-press the key button.
If the key fob does not work after reprogramming, try using new batteries. If the problem persists you might want to check with your local dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram your car's fob or create a new one if necessary.
Genesky says that he can program newer fobs between $200 and $250, depending on the vehicle. However, he's had the need to turn down customers who have European models because they don't have the costly equipment required. Most aftermarket fobs can be programmed, but you should always check with your local dealer to determine the cost.
Getting a New Fob
If your key fob is simply beyond repair, you may need to get an entirely new one. Based on the make and model, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive option to replace your fob, however, it will also have the tools and software required to program your car properly. If you're looking for a cheaper solution, many independent locksmiths can provide you with new car keys at a lower cost.
Before you rush to get an entirely new device it's a good idea to try resetting your current one. The owner's manual should provide the correct method of reset. It is typically the result of a series of button presses that restores the factory programming.
It is an excellent idea to read the owner's manual and warranty information before deciding the best place to get an replacement fob for your key. If your vehicle is under warranty, or you have a car insurance policy or auto club membership with bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of a new fob.
Finding a fob is simple enough however, finding the right location to get it done can be tricky. If you own a new car and want the security with knowing that your key fobs are in good condition, you might prefer going to the dealership to get this service. However, if you're looking for an affordable alternative it is usually possible to find a locksmith independent who can provide the same services at a much lower cost.
A locksmith professional is a great choice If you're not confident doing this kind of work. They are equipped and trained to repair or replace key fobs for cars of all kinds and can do it quickly. In addition, a locksmith is often able to come to your workplace or home to do the job, which can be very convenient for some people. They can also cut and program keys on the spot if you've lost them. This is perfect for those who do not want to leave their car without a key.