17 Reasons Why You Should Beware Of Car Key Fob Repair
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Car Key Fob Repairs
Key fobs today do much more than simply unlock and start vehicles. This added complexity can cause costly repair costs when it fails.
It's good to know that most fobs are powered by flat watch-style batteries which can be replaced at home. You may find that a simple reset will allow your fob to function again.
Battery Replacement
A dead battery is the most common reason for a key fob not working. It's easy to solve and is worth a try before you spend money on the replacement fob. Take your car to a local auto parts store or a hardware retailer that carries button cell batteries and pick up the replacement. You can also refer to the owner's manual (or, if you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions on opening and replacing the battery in the specific type of fob you have.
You'll need to gently pry apart the sides of most fobs in order to access the battery. It's usually a screwdriver or another tool equipped with a thin, flat blade. It's a good idea to look for a groove along the bottom of the fob which you can use to wedge your tool between. It is also advisable to watch out for tiny pieces that could break loose while you work.
Install the new battery in the same manner as you removed the old one. The positive (+) side should be facing the buttons and the negative (-) the marks on the compartment for the battery.
Test the fob to see if it works by pushing a button. If it doesn't work, there could be a problem in your vehicle that needs to be repaired or replaced by a specialist.
Some key fobs require special tools to open and close them, and the contacts inside can be fragile and susceptible to corroding. In these cases you should consult a specialist in your car or dealer may be your best option. When replacing a battery, be patient and follow your owner's guide. You might be able to find a similar battery at a discounter or a big-box retailer however, you'll need to refer to your owner's manual to ensure that it's the right one for your vehicle.
Replacing the Internal Key
The majority of key fobs have the physical key mechanical however, it's hidden within the fob to keep it from being stolen. When the battery in the fob fails it will leave a blank key left behind and can be used to open doors and trunks. In certain cases the key could even start certain vehicles. Many people don't realize this, but they can save themselves from a trip to the dealer by simply replacing the fob's battery. The flat watch-style batteries are used in most modern fobs. They can be located at hardware stores and auto parts stores. Using the correct type of battery is crucial, however. The wrong type can damage the circuitry and lead to the fob's failure earlier.
If the problem continues to persist after you replace the battery, it may be a sign that there is something else wrong in your vehicle. Review the owner's manual of your vehicle to determine if you have a reset procedure that can bring the fob back to factory-setup. If this fails, you'll need visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.
Fobs can also malfunction due to faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car using the fob. You may need to get closer to the car to enable it.
A professional might need to open the case to replace the transmitter. A simple screwdriver is usually enough to suffice, but certain fobs require a special tool or equipment which can only be found at a dealer. This task should be car key repair performed by a qualified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
Often a non-functional key fob simply needs a fresh battery. These batteries are readily available in both pharmacy and home improvement stores and are affordable. This is a good way to start before buying a new key fob.
Alternatively, you may be able to re-program the fob on your own by following the steps. This process varies between vehicle makes, so it's important to refer to the owner's manual as well as research the specifics of the model you own. For instance, one key fob may require that the ignition be switched on while reprogramming the key. Another might need the key to be inserted and removed several times.
The procedure is simple. First, make sure that the new battery is in place. Close all doors, except the driver's door. This will ensure that the new fob is communicating with the vehicle correctly. Put the old key in the ignition, turn it ON, but do not start the engine. Press the lock button while aiming the fob at the receiver of the transmission. This is typically located on the left side, just above the mirror. Within a short time frame, the key will indicate to the vehicle that it's being programmed by triggering the doors' locks or emitting a chime. This procedure can be difficult so it's essential to be attentive to the timing and not to over-press the key button.
If the key fob still isn't working, try reprogramming it again with fresh batteries. If the problem persists you should visit the dealer of your vehicle or locksmiths should be considered. A professional will have the tools and equipment needed to reprogram your car's fob or clone the key if needed.
Genesky says he can usually program newer fobs for around $200 to $250, based on the car. He's had European models rejected because there isn't the equipment needed. Fortunately, most aftermarket fobs can be programmable, but it's always best to talk to the dealer of your choice first to see the price.
How do I get a brand new fob
If your key fob cannot be repaired, you may need to buy an entirely new one. Depending on your vehicle's make and model, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive option for a fob replacement However, they'll have all of the necessary tools and software needed to programme your vehicle properly. Numerous locksmiths who are independent offer a brand new car key fob for the lower cost.
It is a good thing to try to reset your current fob before you rush out to buy a new one. The owner's manual should provide the correct procedure for reset. This is usually the result of a series of button presses which restores the factory settings.
It is also a good idea to read your owner's manual as well as warranty information before deciding the best place to get a key fob replacement. If your car is still under warranty or you have a car-insurance policy or auto club membership that includes bumper-to-bumper protection, you may be eligible to receive a reimbursement for the cost of the new fob.
Finding a fob is simple enough, but finding the right location to do it can be tricky. If you have a relatively new vehicle and you want the security from knowing that your key fobs are in good working condition, you may be better off going to the dealership to get this service. If you're looking for a cheaper alternative, it is possible to find a locksmith who can provide the same service at less cost.
If you aren't comfortable handling this type of work yourself, a professional locksmith can be a great choice. They're trained and equipped to repair or replace key fobs for cars of all kinds and do it quickly. In addition, a locksmith will often visit your home or office to complete the task which is practical for some. They can cut and program keys on the spot in case you've lost keys. This is perfect for those who don't want to leave their vehicle without a key.