Car Key Fob Repairs
Key fobs today can do much more than just unlock and start vehicles. This extra complexity can lead to expensive repair bills if it breaks.
The good news is that the majority of fobs are equipped with flat-watch-style batteries that are easy to replace at home. It is possible that a simple reset is enough to allow your fob to function again.
Battery Replacement
A dead battery is the most common cause of a key fob not working. It's easy to solve and is worth a try before you purchase an alternative fob. You can pick up a new 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, 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 on the particular type of fob.
Most fobs come with two halves that snap togetherYou'll need to break the sides to access the battery. It's usually a screwdriver or some other tool with a thin, flat blade. You can insert your tool into a notch on the bottom of the key fob. You may also want to watch for tiny pieces that could break loose while working.
When you have your new battery, place it in the same manner that you removed the previous one. Make sure that the positive (+) side is facing up towards the buttons, and that the negative (-) side of the battery is aligned with the marks inside the battery compartment of your fob.
You can push a button to test the fob. If it fails, it might be a problem with your vehicle that requires to be fixed or replaced by a professional.
Certain key fobs require special tools to open, and the contacts inside could be fragile and susceptible to corroding. In these cases you should consult a specialist in your car or a dealer could be the best choice. When replacing a battery be patient and follow your owner's instructions. You may be able to locate a comparable battery at a discounter or big-box retailer but you'll have to refer to your owner's manual to ensure that it's the right one for your vehicle.
Replace the internal key
Most key fobs contain an actual mechanical key however, it's hidden within the fob to keep it from being stolen. When the battery in the fob dies it leaves an internal key that is blank that can unlock doors and trunks (and in some cases start certain vehicles). The majority of people do not realize that they can avoid a trip to a dealership by replacing the fob's batteries. Most modern fobs have flat watches-style batteries that are easy to find at hardware stores and auto parts shops. It is essential to choose the right type of battery. A wrong type of battery can harm the electronic circuitry and cause the fob to fail much earlier.
If the issue persists after replacing the battery, it may be an indication that there is something else going on in your vehicle. Check your owner's manual to determine if you have a reset procedure that can restore the fob to the factory program. If this 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 may also fail due to faulty transmitter receivers. They are typically located on the dashboard or next to the steering wheel, and transmit signals that allow you to unlock and start your car using the fob. If you're being required to get closer and closer to your vehicle to be able to make it work, there's a good possibility that the transmitter is not working.
It may be required for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver can usually do the job however some fobs come with complicated release mechanisms that require a specialized tool or specialized equipment available only through a dealer. This job should be done by a certified mechanic in order to avoid damaging the fob and yourself.
Reprogramming key car repair that is not functioning simply needs a fresh battery. These batteries are easily found in pharmacy and home improvement stores and are affordable. This is a good option to begin before purchasing the new key fob.
You can also re-program your key fob by yourself if you follow the steps below. The procedure may differ for different vehicles, so you should read the owner's manual and research the model you have. For instance, one key fob may require that the ignition be switched on while reprogramming the key. Another may require the key to be inserted and removed multiple times.
The basic procedure is simple. First, ensure that the new battery is firmly in place. Close all doors, except the driver's door. This will ensure that the new key fob communicates with the vehicle correctly. Insert the old key into the ignition and turn it on, but don't start the engine. Next, press the lock button on the fob, while looking at the transmission receiver, which is typically situated on the front of the vehicle above the mirror. Within a short time frame the key will announce to the vehicle that it's programmed by triggering the doors' locks or emitting an emitted sound. This can be a tricky process, so pay close attention to timing and don't over-press the button.
If the key fob still doesn't work try reprogramming it with new batteries. If the issue persists, you might want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment needed to reprogram your car's fob, or even create a brand new one, if required.
Genesky says he's able to program newer fobs for $200-$250, based on the model of vehicle. Genesky has experienced European models rejected because there isn't the equipment required. Fortunately, most aftermarket fobs can be programmable but it's always best to talk to an auto dealer first to determine what the cost is.
Finding a New Fob
If your key fob cannot be fixed, you could require a new one. Depending on the make and model, a dealership or an auto locksmith might be able to assist. The dealership is likely to be the most expensive option for a fob replacement, but they will also have the necessary tools and software needed to program your car correctly. Many locksmiths in independent shops offer a new car key fob at the lower cost.
It is a good thing to try to reset your current fob before you rush out to buy a new one. The owner's manual should outline the correct procedure for reset. It is typically an orderly press which restores the factory settings.
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 is still under warranty or you have a car-insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of an entirely new fob.
Finding the best location to purchase a fob can be a challenge. If you own a new car and want the security from knowing that your key fobs are in good working condition, you might be better off visiting the dealership for this service. If you're looking for a more affordable alternative, it is possible to find a locksmith who will provide the same service for less cost.
If you're not confident handling this type of work on your own, a professional locksmith may be a great option. They are trained and equipped to change or reprogram car key fobs of all kinds and do it quickly. Additionally, locksmiths is often able to come to your workplace or home to complete the task, which can be very useful for certain people. They can cut and program keys on the spot if you've lost them. This is ideal for those who do not like to leave their car in the garage.