Key fobs today do much more than simply unlock and start vehicles. But that extra complexity can add up to high repair bills when one of them fails.
The good news is that the majority of fobs use flat watch-style batteries that are simple to replace at home. You may even find that a reset can bring it back to life.
Battery Replacement
A dead battery is the main cause of the fob’s key not working. This is a simple repair key, and is worth trying before you spend money on a new key fob. You can buy a new button cell battery at a local auto part retailer or hardware store If you own one. You can also consult your owner’s guide (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to open and replace the battery in your fob.
You’ll have to gently pull away the sides of the majority of fobs in order to access the battery. You’ll usually need a small screwdriver or a different tool with a thin, flat blade. You can wedge your tool into a slot on the bottom of the key fob. It is also advisable to keep an eye out for small pieces that could fall off while working.
Insert the new battery in the same way as you removed the previous one. Make sure the positive (+) side is facing upwards toward the buttons and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.
Check the fob to determine whether it is working by pressing a button. If it isn’t working, there may be a problem with your car that needs to be fixed or replaced by a professional.
Some key fobs require special tools to open and close, and the connections inside may be delicate and easily corroded. In these situations, the best option is to talk to a expert or dealer. If you’re in need of replacing the battery, make sure to be very gentle and adhere to the instructions specifically in your owner’s manual. You may be able to locate an identical battery at a big-box retailer or discounter, but be sure you check the owner’s manual to make sure it is compatible with your vehicle.
Replace the internal key
Most key fobs contain the physical key mechanical that is hidden within the fob to prevent thieves. If the battery of the fob fails, it leaves an internal key blank that can unlock doors and trunks (and in some cases, start certain cars). The majority of people don’t realize they can avoid a trip to a dealership by replacing the fob batteries. The majority of modern fobs utilize flat watch-style batteries that can be found in auto parts stores and hardware shops. It is important to use the right type of battery. A wrong type of battery can harm the electronic circuitry, which can cause the fob to fail faster.
If you replace the battery and discover that the issue is still there it could be a sign that something else is going on with your car. If you have an owner’s manual and you’re not sure, try to determine if you can use a reset procedure to restore the fob’s original programming. If this isn’t working, you’ll need visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.
Fobs may also fail because of faulty transmitter receivers. These are usually located close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your car and begin it using the fob. If you’re having to get closer and closer to your vehicle in order to make it work, there’s a great chance the transmitter is failing.
It could be necessary for a professional to open the case of the fob to replace the transmitter. A simple screwdriver will usually work, however certain fobs require a special tool or special equipment that can only be found at a dealer. It’s best to have a qualified mechanic do this job so that 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. Because they are cheap and readily available in pharmacies and home improvement stores, it’s the ideal first step before buying a new car key fob.
Alternatively, you may be able to re-program the fob by following some basic steps. This process varies between vehicle brands, so it’s essential to refer to the owner’s manual as well as research the specifics of the model you own. A key fob may require the ignition to be switched on when programming. One key fob could require the key to be inserted multiple times.
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 the new key is communicating with the vehicle properly. Put the old automotive key repair in the ignition, turn it on, but do not start the engine. Then, press the lock button on the fob while aiming it at the transmission receiver, which is typically located on the front of the vehicle above the mirror. Within a brief time, the key will indicate to the vehicle that it’s programmed by turning off the doors’ locks or emitting a chime. This is a difficult process, so pay attention to the timing and don’t press too hard the button.
If the key fob does not work after reprogramming it, try using a new battery. If the issue is still there, you might want to check with your car dealer or locksmith. A professional will have all the tools and equipment needed to reprogram the car fob or create a new one, if required.
Genesky says he can usually program newer fobs for around $200 to $250, based on the vehicle. Genesky has been denied European models rejected because he lacks the expensive equipment required. Luckily, the majority of aftermarket fobs are programmable however it’s recommended to consult a car dealer first to see the price.
A New Fob
If your key fob is damaged beyond repair, you could need to purchase a new one. Depending on the brand and model, the dealership or an auto locksmith might be able to help. The dealership is likely to be the most expensive choice for a replacement fob but it also has the tools and software required to program your car properly. Many locksmiths in independent shops offer a new car key fob for an affordable price.
Before you rush to get an entirely new device it’s an excellent idea to try resetting your current one. The owner’s manual will outline the correct procedure for reset, which is usually just pushing a few buttons that reset the factory settings.
It is also a good idea to check your owner’s manual and warranty information before you decide which place to go for a key fob replacement. If your car is under warranty, or you have a car-insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of an entirely new fob.
Finding a fob is simple enough however finding the best place to have it done can be a challenge. You might want to go to the dealer for this service if you have a newer car and want to be confident that your key fobs work correctly. If you’re looking for a cheaper alternative, it is possible to find a locksmith that will provide the same service for a lower price.
A locksmith professional is a great choice if you’re not comfortable doing this kind of work. They are skilled and equipped to repair or replace most types of car key fobs, and often they can complete the task quickly. Additionally, locksmiths is often able to come to your home or office to do the job, which can be very useful for certain people. They can also cut and program keys on site if you’ve lost keys. This is perfect for those who don’t like to leave their car remote key repair without a key.