5 Laws Anyone Working In Car Key Fob Repair Should Know
5 Laws Anyone Working In Car Key Fob Repair Should Know
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Car Key Fob Repairs
Key fobs today do much more than simply unlock and start vehicles. However, that added complexity can add up to high repair bills if one of them breaks.
It's important to know that a majority of fobs are powered by flat-watch-style batteries that can be replaced 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 reason for the fob's key not working. It's a simple fix and worth trying before you invest in an alternative fob. Simply take your car to a local auto parts store or a hardware retailer that stocks button cell batteries and purchase an alternative. 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 have two halves that snap together -You'll need to pull the sides apart to get to the battery. You'll require a small flat-bladed screwdriver, or another tool with a blade that is thin. You can put your tool into a slot on the bottom of the key fob. You might also want to look for tiny pieces that might break loose while working.
Insert the new battery in the same way you removed the old one. The positive (+) side should be facing the buttons and the reverse (-) the markings on the compartment for the battery.
Push a button to test the fob. If it doesn't work, you may have a problem with your car that requires a professional to repair or replace.
Certain key fobs can be difficult to open and their contacts may be brittle and easily damaged. In these situations an expert in the field or dealer may be the best choice. When replacing a battery, be gentle and follow the owner's guide. You might be able find a similar battery at a discounter or a big-box retailer, but you'll need to refer to your owner's manual to make sure that it's compatible with your vehicle.
Replace the internal key
To protect against theft, the majority of key fobs have a mechanical key hidden inside. When the fob battery dies it will leave an internal key 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 recharging the fob batteries. The flat watch-style batteries are used in the majority of modern fobs. These batteries can be located at hardware stores and auto parts stores. The right kind of battery is essential however. A wrong type of battery can harm the electronic circuitry and cause the fob to fail much sooner.
If the issue persists after replacing the battery, it may be an indication that something else is going on in your vehicle. If you have an owner's manual, check to see if there is a reset option 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 fail because of faulty transmitter receivers. These are usually built into the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car with the fob. If you're having to get closer and closer to your car to get it to work, there's a high possibility that the transmitter is not working.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver will usually accomplish the task however some fobs come with complicated release mechanisms that require a specialized tool or specialized equipment that is available only through a dealer. It's a good idea to have a certified mechanic perform this task so you don't break the fob or hurt yourself.
Reprogramming the Key
A key fob that is not working may simply need a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, it's the ideal first step before key repairs buying an entirely new car key fob.
You can also change the programming of your key fob by yourself by following the steps below. This process varies between vehicle brands, so it's essential to consult your owner's manual as well as research the specifics of your model. One key fob might require that the ignition be switched on when changing the program. 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 shut all doors, excluding the driver's side door. This will ensure that the new key fob is communicating with the vehicle correctly. Then, place the old key back in the ignition and switch it to the ON position, but don't start the engine. Press the lock button while aiming the fob towards the receiver of the transmission. It is usually located on the left side, just above the mirror. In a short period of time the key will announce to the vehicle that it's been programmed by triggering the doors' locks or emitting a chime. This is a challenging process, so pay close attention to the timing and don't press too hard the button.
If the key fob doesn't work after reprogramming, try using a new battery. If the issue isn't resolved then a visit to your dealer for your car or locksmiths should be considered. A professional will have all the tools and equipment required to reprogram your car fob, or even create a brand new one, if required.
Genesky claims he is able to program newer fobs that range between $200 and $250, based on the model of vehicle. He's had European models rejected because there isn't the equipment needed. Most aftermarket fobs can be programmed, but you should always inquire with your local car dealer to find out the price.
Finding a New Fob
If your key fob is beyond repair, you may need to purchase an alternative. Depending on the make and model, the dealer or an auto locksmith might be able to help. The dealership is likely to be the most expensive option to replace your fob, but it also has the tools and software required to program your car properly. If you're looking for a cheaper solution, a variety of locksmiths can provide you with new car keys for a more affordable cost.
It's a good idea to try to reset your current device before you rush out to buy a new one. The owner's guide should explain the correct method of reset. This is usually the result of a series of button presses that restores the factory programming.
You should also look over the owner's manual and warranty information to see if you can get an alternative fob for your key. If your vehicle's warranty is in good standing or you have an auto club or insurance policy that covers bumper to bumper you could be eligible for a reimbursement of the cost of replacing the fob.
Finding the right location to purchase a fob can be difficult. You might want to visit the dealer to get this service if you are driving a brand new car and you are looking to feel secure knowing that your keyfobs are working properly. If you are looking for a cheaper alternative, it is possible to find a locksmith that will provide the same service for less cost.
A locksmith professional is a good option if you're not comfortable doing this kind of work. They're trained and equipped to repair or replace key fobs for cars of all types, and can do so quickly. In addition, a locksmith will often visit your office or home to do the job which is useful for certain people. They can even cut and program keys on-site in case you've lost keys, which is ideal for those who do not want to leave their cars in the dark.