Are You Confident About Car Key Fob Repair? Answer This Question
Car Key Fob Repairs
Key fobs of today can do more than unlock and start vehicles. However, the added complexity could result in costly repairs when one of them fails.
The good news is that most fobs use flat watch-style batteries that are simple to replace at home. And you may find that a reset will bring it back to life.
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 go spending money on a new key fob. You can pick up the new button cell at your local auto part retailer or hardware store in the event that you already have one. You can also consult the owner's manual (or in the event that you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions for opening and replacing the battery in your particular type of fob.
Most fobs come with two halves that snap together- you'll need to gently break the sides to access the battery. You'll need a small flat-bladed screwdriver, or another tool with a blade that is thin. You can insert your tool into a notch on the bottom of the key fob. You might also want to look out for small pieces that might break loose while you work.
Insert the new battery the same way as you removed the old one. Make sure that 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.
Press a button to test the fob. If it doesn't work, you may have an issue with your car that requires a specialist to repair or replace.
Some key fobs are difficult to open and their contacts may be fragile and easily corrosion-prone. In these cases the best solution is to talk to a specialist or a dealer. If you're in need of replacing batteries, you should be very gentle and adhere to the instructions specifically in the owner's manual. You may be able to locate an identical battery in a big-box store or discounter, however, make sure you check your owner's guide to ensure it is compatible with your vehicle.
Replacing the Internal Key
Most key fobs contain a physical mechanical key however, it's hidden within the fob to keep it from being stolen. If the battery inside a fob dies, a blank key is left behind, which can be used to open trunks and doors. In some cases, this key can even start certain vehicles. Most people don't know this however, they can save from a trip to the dealer by simply replacing the fob's battery. The majority of modern fobs utilize flat watch-style batteries that are easy to find in auto parts stores and hardware shops. Choosing the right type of battery is essential, however. The wrong type can damage the circuitry and cause the fob's failure much sooner.
If the issue persists after replacing the battery, it could be a sign that there is something else wrong with your vehicle. If you have an owner's manual and you're not sure, try to determine if a reset procedure is available to restore the fob's original programming. If this fails, you'll need visit a dealership or an independent shop that specializes in vehicle-security systems and key fob programming.
Fobs can also malfunction because of faulty transmitter receivers. They are typically located close to the steering wheel, or on the dashboard. They transmit signals that allow you to unlock your vehicle and start it using the fob. If you're being required to get closer and closer to your vehicle to get it to work, there's a great chance that the transmitter isn't working.
It could be required for a professional to open the case of the fob to replace the transmitter. A simple screwdriver can usually get the job done however some fobs come with complicated release mechanisms that require a specialized tool or specialized equipment available only at a dealership. It's a good idea to have a certified mechanic do this job so that you don't accidentally break the fob or cause injury to yourself.
Reprogramming the Key
A key fob that is not working might just need a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, it's a good first step before buying a new car key fob.
You can also change the programming of your key fob by yourself by following a few basic steps. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual as well as research the specifics of your particular model. For instance one key fob could require the ignition to be turned on while reprogramming it. One key fob may require the key to be inserted multiple times.
The general process is simple. Make sure the battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob communicates with the vehicle properly. After that, put the old key back into the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob at the receiver for transmission. This is typically located on the front, above the mirror. The key will notify the vehicle within a short period of time that it is being programmed. This can be accomplished by turning the door locks or emitting an audible chime. This is a challenging process, so pay attention to timing and don't over-press the button.
If the key fob still does not work, try reprogramming it again using new batteries. If the issue persists, you may want to visit your car dealer or locksmith. A professional will have the tools and programming equipment needed to reprogram your car's fob or make the key if needed.
Genesky says that he can program newer fobs that range between $200 and $250, depending on the vehicle. However, he's had to turn down customers who have European models due to the fact that they don't have the costly equipment required. Fortunately, most aftermarket fobs can be programmed but it's always best to check with the dealer of your choice first to determine the price.
Finding a New Fob
If your key fob is simply beyond repair, you may require an entirely new one. Depending on the make and model, an auto locksmith or a dealership might be able to assist. The dealership is likely to be the most expensive option to replace your fob, but it also has the tools and software necessary to program your car properly. If you're looking for a cheaper option, a number of independent locksmiths will be able to provide you with an entirely new car key fob for a much more reasonable cost.
It is a good thing to attempt to reset the fob you have before you rush out to buy an entirely new one. The owner's guide should explain the correct reset procedure. This is usually the result of a series of button presses that restores the factory programming.
You should also check the owner's guide and warranty information to determine whether you can obtain a replacement key fob. If your vehicle's warranty is still in effect or you have an auto club or car insurance policy that covers bumper to bumper you could be eligible to receive a reimbursement for the cost of replacing the fob.
Getting a fob is easy enough however finding the best location to do it can be a challenge. You may want to visit the dealer for this service if you have a newer car and you want to be confident that your key fobs are functioning properly. However, if you're looking for an option that is more affordable it is usually possible to find an independent locksmith who can provide the same services for a lower cost.
If you're not confident handling this type of work on your own, a professional locksmith can be a great choice. They are equipped and trained to repair or replace key fobs for cars of all types and do it quickly. In addition, a locksmith can often come to your home or office to do the job which can be extremely practical for some. They can even cut and program keys on-site when you've lost keys, which is great for those who do not want to leave their cars in the dark.