Car Key Fob Repairs
Key fobs today can do much more than simply unlock and start vehicles. This extra complexity can lead to expensive repair bills if it breaks.
It's a good idea to know that most fobs are powered by flat watch-style batteries, which can be easily replaced at home. You might find that a simple reset is enough to allow your fob to function again.
Battery Replacement
The most frequent reason why a key fob stops working is because of a dead battery. This is a simple repair, and is worth a try before you decide to spend money on a new key fob. Take your car to an auto parts store or hardware retailer that stocks button cell batteries and purchase an alternative. You can also refer to your owner's guide (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 have to gently pull the sides apart to access the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a thin blade. You can put your tool into a notch at the bottom of the key fob. You may also want to look out for small pieces that might break loose while working.
Insert the new battery in the same manner as you removed the old one. Make sure that the positive (+) side is facing up towards the buttons, and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.
Push a button to test the fob. If it doesn't work, there could be a problem with your car that requires a specialist to repair or replace.
Certain key fobs can be difficult to open and the contacts may be brittle and easily corrosion-prone. In these cases, the best option is to speak with a specialist or dealer. When replacing a battery be gentle and follow your owner's manual. You may be able to locate the same battery in a big-box store or discounter, but make sure you read the owner's manual to ensure it's compatible with your vehicle.
Replacing the Internal Key
Most key fobs contain a physical mechanical key however, it's hidden within the fob to stop thieves from getting. When the battery in a fob dies, a blank key is left behind and can be used to unlock doors and trunks. In certain cases, this key can even start certain vehicles. Most people aren't aware of this however, they can save a trip to the dealership by simply replacing the fob battery. Most modern fobs have flat-watch-style batteries which can be found in auto parts stores and hardware shops. Using the correct type of battery is important however. A wrong battery can harm the circuitry and cause the fob's failure much sooner.
If you try replacing the battery, and the issue is still there, it could be a sign that something else is going on with your car. Go through the owner's manual to determine if there's a reset procedure that can restore the fob's factory-setup. If that doesn't help then you'll need to visit a dealer or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs could also fail due to malfunctioning transmitter receivers. They are typically placed on the dashboard or near the steering wheel, and they transmit signals that allow you to open and start your car with the fob. It is possible that you will need to get closer to your car to enable it.
A professional might have to open the case to replace the transmitter. A simple screwdriver can usually do the trick, but certain fobs require a special tool or special equipment that can only be found at a dealership. It's a good idea to have a qualified mechanic perform this task so you don't break the fob or injure yourself.
Reprogramming key fob repairs -functional key fob just requires a new battery. Since these batteries are inexpensive and easily available at pharmacies and home improvement stores, it's the ideal first step before buying the purchase of a new car key fob.
You can also reprogram your key fob on your own If you follow the steps below. This procedure can differ between vehicles, so you should refer to the owner's manual and study the specific model of your vehicle. One key fob could require that the ignition switch be switched on when programming. Another may require the key to be inserted and removed repeatedly.
The general process 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 that the new key fob communicates with the vehicle correctly. Put the old key in the ignition, turn it on but don't start the engine. Press the lock button while aiming the fob toward the transmission receiver. This is typically located on the left side, just above the mirror. The key will signal to the vehicle within a short amount of time that it is being programmed. This can be accomplished by turning the door locks or by emitting an audible chime. This can be a difficult process and it's crucial to be attentive to the timing and not to over-press the key button.
If the key fob does not function after reprogramming, you can try using a new battery. If the issue isn't resolved then a visit to your dealer for your car or a locksmith should be considered. A professional will have the tools and equipment to reprogram your car's fob or make the key if needed.
Genesky says he's able to program newer fobs that range between $200 and $250, depending on the model of vehicle. He's experienced European models rejected due to the fact that they don't have the equipment needed. The majority of aftermarket fobs can be programmed, but always consult your local car dealer to find out the cost.
Getting a New Fob
If your key fob can't be repaired, you might need to buy an entirely new one. Depending on your vehicle's make and model, an auto locksmith or dealership may be able help. The dealership is likely to be the most expensive option for a replacement fob, however, it will also have the tools and software necessary to program your car correctly. If you're looking for a cheaper solution, a variety of locksmiths will be able to provide you with new car keys at a lower cost.
Before you decide to purchase a new fob, it is recommended to consider resetting your current device. Your owner's manual should outline the correct procedure for reset which is typically pushing a few buttons that restores the factory settings.
It is also recommended to check your owner's guide and warranty information to see if you can get a replacement fob for your key. If your vehicle's warranty is in good standing or you have an auto club or car insurance policy that covers bumper to bumper you could qualify to receive a reimbursement for the cost of a replacement fob.
Finding the right where to purchase the fob you need can be difficult. If you have a relatively new vehicle and you want the peace of mind that comes from knowing that your key fobs are in good order, you may be better off visiting the dealership to get this service. If you are looking for a cheaper alternative, it's possible to find a locksmith who will offer the same service for an affordable cost.
A locksmith who is professional is a good option if you're not comfortable doing this kind of work. They are skilled and equipped to replace or reprogram all kinds of car key fobs and they can often complete the task quickly. Additionally, locksmiths can often come to your home or office to do the job which is useful for certain people. They can even cut and program keys on-site in case you've lost them, which is ideal for those who don't like to leave their cars unattended.