Car Key Fob Repairs
Key fobs today are more than just a way to unlock and start cars. This added complexity can cause costly repair costs if it breaks.
The good news is that most fobs are equipped with flat-watch-style batteries that are easy to replace at home. You may find that a simple reset is enough to bring your fob back to life.
Battery Replacement
A dead battery is the most common reason for a key fob not working. It's easy to fix and worth trying before you spend money on a replacement fob. Simply drive your car to a local auto parts store or hardware retailer that carries button cell batteries and pick up a replacement. You can also refer to the owner's manual (or, if you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions on opening and replacing the battery on the particular type of fob.
Most fobs have two halves that snap together -- you'll need to gently pull the sides apart in order to access the battery. You'll usually need a small screwdriver or a different tool that has a flat, thin blade. You can wedge your tool into a slot on the bottom of the key fob. You might also want to look for small pieces that could be loosened while working.
Insert the new battery in the same way you removed the old one. The positive (+) side should be facing the buttons, while the opposite side is facing (-), the markings on the battery compartment.
Push a button to test the fob. If it doesn't work, there could be a problem in your car that needs to be fixed or replaced by a specialist.
Certain key fobs can be difficult to open and the contacts may be brittle and easily damaged. In these situations the best solution is to consult a car expert or a dealer. If you're in need of replacing the battery, make sure to be very gentle and follow the instructions that are specific to the owner's manual. You might be able to locate a comparable battery at a discounter store or a big-box retailer, but you'll need to check the owner's manual to ensure that it's compatible with your vehicle.
Replacing the Internal Key
Most key fobs include a physical mechanical key, but it's hidden inside the fob to prevent thieves. When the battery in the fob dies it leaves an internal key blank which can open trunks and doors (and in some cases start certain vehicles). Most people aren't aware of this however they could avoid a trip to the dealership by simply replacing the fob's battery. Most modern fobs use flat-watch-style batteries which are easy to find at hardware stores and auto parts shops. Choosing the right type of battery is crucial, however. A bad battery can damage the electronic circuitry, causing the fob to fail much earlier.
If you try replacing the battery and discover that the issue is still there, it could be an indication that something else is going on in 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 go to a dealer or an independent shop that specializes in vehicle-security systems and key fob programming.
Fobs can also malfunction due to malfunctioning transmitter receivers. They are typically located close to the fob repair near me steering wheel, or on the dashboard. They transmit signals that enable you to unlock your vehicle and start it using the fob. It is possible that you will need to get closer to your car to make it work.
It may be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver is usually enough to work, however some fobs require a specialized tool or equipment that can only be purchased at a dealer. This job should be performed by a qualified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working simply requires a new battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, it's an excellent first step prior to investing in a new car key fob.
You can also change the programming of your key fob by yourself If you follow some basic steps. The process is different for different vehicles manufacturers, so it is important to consult your owner's manual and study the specifics of your model. One key fob might require that the ignition switch be switched on when programming. A key fob might require the key to be inserted multiple times.
The basic procedure is simple. Make sure 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 communicates with the vehicle correctly. Insert the old key into the ignition, then turn it ON but do not start the engine. Press the lock button while aiming the fob at the transmission receiver. This is typically located on the front above the mirror. In a short period of time the key will announce to the vehicle that it's programmed by triggering the doors' locks or generating a chime. This process can be tricky, so it's important to be attentive to the timing and don't over-press the key button.
If the key fob still does not work try reprogramming it with fresh batteries. If the problem persists then a visit to your car dealer or locksmiths should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or make an entirely new key if needed.
Genesky says he can usually program newer fobs for $200 to $250, based on the vehicle. He's had European models rejected due to the fact that they don't have the equipment required. A majority of the aftermarket fobs are programmed, but you should always consult your local car dealer to determine the cost.
Finding a New Fob
If your key fob is beyond repair, you may require a new one. Depending on the brand and model, a dealership or an auto locksmith may be able to help. The dealership is likely to be the most expensive option to replace your fob, but it will also have the tools and software necessary to program your car properly. Many independent locksmiths 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 device. The owner's guide should explain the correct reset procedure. It is typically the result of a series of button presses that reset the factory program.
You should also look over your owner's guide and warranty information to see if you can get an additional fob for your key. If your vehicle is under warranty, or you have a car-insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be eligible to receive a reimbursement for the cost of the new fob.
Finding a fob is simple enough however finding the best location to do it can be a challenge. If you have a relatively new car and would like the security with knowing that your keys fobs are in good condition, you may be better off going to the dealership to get this service. If you're looking for a more affordable alternative, it's possible to find a locksmith who will offer the same service for a lower price.
If you aren't comfortable handling this kind of work yourself A professional locksmith could be a good option. They are skilled and equipped to replace or reprogram all kinds of car key fobs and often they can complete the task quickly. In addition, a locksmith will often visit your office or home to do the job which can be extremely practical for some. They can also cut and program keys on the spot if you've lost them. This is great for those who don't want to leave their car unattended.