Car Key Fob Repairs
Key fobs today do much more than just unlock and start vehicles. However, the added complexity could cause costly repairs when one of them fails.
The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. You may even find that a reset will get yours working again.
Battery Replacement
The most common reason the key fob ceases to function is due to the battery being dead. This is easy to fix, and it's worth trying before you spend money on a new key fob. Simply drive your car to an auto parts store or a hardware retailer that sells button cell batteries and purchase a replacement. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery inside your fob.
Most fobs come with two halves that snap togetheryou'll have to gently pry the sides apart to access the battery. You'll typically need a small screwdriver or another tool equipped with a thin, flat blade. It may be helpful to look for a notch along the bottom of the fob that you can use to place your tool between. You might also want to keep an eye out for small pieces that may come loose as you work.
Install the new battery in the same way as you removed the old one. Make sure the positive (+) side is facing upwards towards the buttons and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.
You can push a button to test the fob. If it doesn't, you may have an issue with your vehicle that requires a professional to fix or replace.
Some key fobs are difficult to open and their contacts may be brittle and easily damaged. In these situations, the best option is to speak with a specialist or a dealer. When replacing a battery, be patient and follow your 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 be sure that it's the right one for your vehicle.
Replace the internal key
Most key fobs include the physical key mechanical however, it's hidden within the fob to keep it from being stolen. If the battery inside the fob fails it will leave a blank key left behind that can be used to unlock trunks and doors. In some instances, this key can even start certain cars. Most people aren't aware of this, but they can save themselves a trip to the dealership by simply replacing the fob battery. repair car key fob -style batteries are used in most modern fobs. They can be found at hardware stores and auto parts stores. The right kind of battery is important, however. A wrong type of battery can harm the electronic circuitry, which can cause the fob to fail earlier.
If the problem persists even after you have replaced the battery, it may be a sign that there is something else going on with your vehicle. If you have an owner's guide and you're not sure, try to determine if a reset procedure is available to restore the fob's original programming. If this isn't working, you'll need to visit a dealership or a shop independent that specializes in security systems for vehicles and key fob programming.
Fobs can also malfunction because of faulty transmitter receivers. They are typically located near the steering wheel or on the dashboard. They transmit signals that allow you to unlock your vehicle and start it using the fob. You may need to get closer to the car in order to get it to work.
It could be required for a professional to open the case of the fob to replace the transmitter. A simple screwdriver will usually accomplish the task, but some fobs have complicated release mechanisms that require a specialized tool or specialized equipment available only at a dealership. It's a good idea to have a qualified mechanic handle this job to ensure you don't accidentally break the fob or injure yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working simply needs a fresh battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, this is an excellent first step prior to purchasing a new car key fob.
You can also change the programming of your key fob on your own If you follow the steps below. The process is different for different vehicles makes, so it's important to consult your owner's manual and study the specifics of the model you own. For example, one key fob may require that the ignition be switched on while reprogramming the key. One key fob could require the key to be inserted multiple times.
The procedure is simple. First, make sure the new battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure the new fob is communicating with the vehicle in a correct manner. Then, put the old key back in the ignition and turn it to the ON position, but do not 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 car above the mirror. Within a brief time the key will announce to the vehicle that it's being programmed by triggering the doors' locks or generating an emitted sound. This can be a difficult process, so it's important to pay attention to the timing and not to over-press the key button.
If the key fob isn't working try reprogramming it using new batteries. If the issue is still there, you might want to check with your local dealer or locksmith. A professional will have the tools and programming equipment to reprogram your car's fob, or create an entirely new key if required.
Genesky claims he is able to 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 due to the fact that there's no equipment they require. Luckily, the majority of aftermarket fobs can be programmed however it's best to check with a car dealer first to determine the price.
How do I get a brand new fob
If the key fob you have cannot be fixed, you could require another one. Based on the make and model, the dealership or an auto locksmith might be able to help. The dealership will likely be the most expensive alternative for replacing a fob, but they will also have the necessary tools and software to program your vehicle correctly. Many independent locksmiths offer a brand new car key fob for the lower cost.
It is a good thing to attempt to reset the fob you have before you make the decision to purchase another one. The owner's guide should explain the correct procedure for reset. It is typically a series button presses that restores the factory programming.
It is also recommended to check your owner's guide and warranty information to see whether you can obtain a replacement fob for your key. If your car's warranty in good standing or you have an auto club or insurance policy that covers bumper-to-bumper you could qualify for a reimbursement of the cost of replacing the fob.
Finding the right place to get a fob can be difficult. It is possible to visit the dealer for this service if you have a newer car and you want to be confident that your keyfobs are working properly. If you are looking for a more affordable alternative, it is possible to find a locksmith who will offer the same service for less cost.
If you aren't comfortable handling this kind of work yourself, a professional locksmith can be a great choice. They are trained and equipped to reprogram or replace most types of car key fobs and often, they can complete the task quickly. Locksmiths is also able to visit your house or office which is convenient for a lot of people. They can even cut and program keys on the spot if you have lost them, which is ideal for those who don't like to leave their cars unattended.