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20 Quotes That Will Help You Understand Car Key Fob Repair
Car Key Fob Repairs

Today's key fobs can do more than unlock and start vehicles. This extra complexity can lead to expensive repair bills if it breaks.

The positive side is that many fobs are equipped with flat-watch-style batteries that are easy to replace at home. And you may find that a reset can bring it back to life.

Battery Replacement

A dead battery is the most frequent cause of a key fob not working. This is easy to fix, and it's worth a try before you decide to spend money on a new key fob. Take your car to a local hardware or auto parts retailer that sells button cell batteries and pick up a replacement. car key remote repair near me can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery in your fob.

You'll need to gently pry away the sides of the majority of fobs to access the battery. You'll require a small flat-bladed screwdriver, or another tool with a blade that is thin. It might help to look for a notch along the bottom of the fob which you can place your tool between. You might also want to be on the lookout for small pieces that could come loose while you work.

Insert the new battery in the same way 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 with the marks inside the battery compartment of your fob.

You can push a button to test the fob. If it isn't working, there might be a problem with your vehicle that requires to be fixed or replaced by a specialist.

Certain key fobs are difficult to open and the contacts may be brittle and easily corroded. In these instances you should consult a specialist in your car or a dealer could be the best choice. If you need to replace a battery, try to be very gentle and adhere to the instructions that are specific to your owner's manual. You might be able to find an identical battery at a big-box retailer or discounter, however, make sure to check the owner's manual to ensure that it's compatible with your vehicle.

Replacing the Internal Key

To prevent theft, most key fobs are equipped with an internal mechanical key that is hidden within. When the battery in a fob dies it will leave a blank key left behind that can be used to unlock trunks and doors. In some cases, this key can even start certain vehicles. Many people don't realize this however, they can avoid a trip to the dealership by simply replacing the fob's battery. The flat watch-style battery is found in the majority of modern fobs. These batteries can be found at auto parts stores and hardware stores. It is important to use the right type of battery. The wrong type can damage the circuitry and cause the fob's failure earlier.

If the issue persists even after you have replaced the battery, it may be an indication that there is something else going on with your vehicle. Check your owner's manual to determine if you have a reset procedure that can restore the fob's factory programming. If this doesn't work then you'll need to go to a dealership or an independent shop that specializes in vehicle-security systems and fob programming.

Fobs can also malfunction because of faulty transmitter receivers. They are usually found close to the steering wheel, or in the dashboard. They transmit signals that allow you to unlock your car and begin it using the fob. If you notice that you're having to get closer and closer to your vehicle to be able to make it work, there's a great possibility that the transmitter is not working.

It might be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver will usually work, however some fobs require a specialized tool or a special piece of equipment which can only be found at a dealer. This task should be done by a certified mechanic in order to avoid damaging the fob as well as yourself.

Reprogramming the Key

Often a non-functional key fob simply requires a new battery. Because they are cheap and easily available at pharmacies and home improvement stores, this is the ideal first step before buying a new car key fob.

Alternatively, you may be able to program the fob by following a few basic steps. The procedure varies for different vehicle makes, so it's important to refer to the owner's manual and study the specifics of the model you own. For example the key fob might require that the ignition be turned on while reprogramming it. Another key might require the key to be inserted and removed several times.

The general process is simple. Make sure that the battery is securely in place. Close all doors except the driver's 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 turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob towards the receiver for transmission. This is usually located on the left side, just above the mirror. The key will inform the vehicle within a short period of time that it's being programmed. This can be accomplished by turning off the door locks or emitting an audible chime. This procedure can be difficult, so it's important to be attentive to the timing and to not over-press the key button.

If the key fob does not function after reprogramming, you can try using a new battery. If the issue is still there, you might want to visit your local locksmith or dealer. A professional will have the tools and equipment to reprogram your car's fob, or create a new key if it's required.


Genesky says he's able to program newer fobs for $200 to $250, based on the car. However, he's had to refuse customers with European models because there's no equipment they require. A majority of the aftermarket fobs are programmed, but you should always inquire with your local car dealer to find out the price.

How do I get a brand new fob

If the key fob you have cannot be repaired, you may have to purchase an entirely new one. Based on the model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive choice for a replacement fob however, it will also have the tools and software required to program your car properly. Many independent locksmiths offer a new car key fob at an affordable price.

It's a good idea to try to reset your current fob before you decide to buy another one. The owner's manual should outline the correct method of reset. It is typically the result of a series of button presses that restores the factory programming.

You should also look over the owner's guide and warranty information to determine if you can get an additional key fob. If your vehicle's warranty is still active or you have an auto club or car insurance policy that covers bumper to bumper, you may qualify to receive a reimbursement for the cost of a replacement fob.

Finding a fob is simple enough however, finding the right location to get it done can be a challenge. You might want to go to the dealer to get this service if you have a newer vehicle and you want to be confident that your keyfobs are working correctly. However, if you're looking for an affordable alternative it is usually possible to find an independent locksmith who can provide the same service at a much lower cost.

A locksmith professional is a great option for those who aren't comfortable with this kind of work. They are skilled and equipped to reprogram or replace the majority of car key fobs and often, they can accomplish the task in a short time. A locksmith is also able to visit your house or office which is a great option for many people. They can even cut and program keys on the spot when you've lost keys, which is ideal for those who prefer not to leave their vehicles unattended.

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