15 Funny People Working In Car Key Fob Repair In Car Key Fob Repair Car Key Fob Repairs

Key fobs today can do much more than unlock and start vehicles. This added complexity can cause costly repair costs when it fails.

It's a good idea to know that a majority of fobs are powered by flat watch-style batteries which can be replaced at home. And you may find that a reset will bring it back to life.

Battery Replacement

A dead battery is the most common cause of a key fob that isn't working. It's a simple repair, and is worth trying before you spend money on a new fob. You can pick up an additional button cell battery at a local auto part store or hardware retailer If you own one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to open and replace the battery inside your fob.

You'll need to gently pry away the sides of the majority of fobs in order to access the battery. It's usually a screwdriver or another tool with a thin, flat blade. You can wedge your tool into a notch at the bottom of the key fob. You may also want to be on the lookout for small pieces that could come loose while you work.

Once you have the new battery, you can insert it the same way that you removed the previous one. The positive (+) side should be facing the buttons, while the opposite side is facing (-) the markings on the battery compartment.

Test the fob to see whether it functions by pressing a button. If it doesn't work, you may have a problem with your car that requires a specialist to repair or replace.

Some key fobs require special tools to open, and the contacts inside could be fragile and susceptible to corroding. In these instances the best solution is to speak with a expert or dealer. If you're looking to replace the battery, make sure to be very gentle and adhere to the instructions that are specific to your owner's manual. You may be able to locate a comparable battery at a discounter or big-box retailer, but you'll need to refer to your owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

The majority of key fobs have the physical key mechanical that is hidden within the fob to stop thieves from getting. When the battery in the fob dies it will leave an internal key that is blank which can open doors and trunks (and in some cases, even start certain cars). Most people aren't aware of this however they could save themselves having to go to the dealership by simply replacing the fob battery. Most modern fobs use flat watch-style batteries that can be found in hardware stores and auto parts shops. Using the correct type of battery is crucial however. A bad battery can cause damage to the circuitry and lead to the fob's failure earlier.

If the problem continues to persist after you replace the battery, it could be a sign that there is something else going on in your vehicle. Check your owner's manual to determine if there's an option to reset the fob and bring the fob back to factory-setup. If this doesn't help then you'll need to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.


Fobs can also malfunction due to faulty transmitter receivers. They are typically placed on the dashboard or near the steering wheel, and transmit signals that allow you to unlock and start your car with the fob. You may need to get closer to the car in order to enable it.

It may be necessary for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver is usually enough to work, however certain fobs require a specific tool or a special piece of equipment which can only be found at a dealership. It's a good idea to have a certified mechanic do this job so that you don't break the fob or injure yourself.

Reprogramming the Key

A key fob that's not working could just require an upgrade in battery. These batteries are easily found in both pharmacy and home improvement stores and are cheap. This is a good method to start before you purchase an entirely new key fob.

You may also be able to re-program the fob by following a few basic steps. This process varies between vehicle brands, so it's essential to read the owner's manual and study the specifics of your particular model. For key fob repairs could require that the ignition be switched on while reprogramming the key. A key fob might require the key to be inserted several times.

The general process is simple. First, ensure that the new battery is securely in place. Close all doors except the driver's door. This will ensure that the new key is communicating with the vehicle in a correct manner. Put the old key in the ignition, turn it ON but don't start the engine. Press the lock button while aiming the fob at the receiver for transmission. It is usually located on the front, above the mirror. The key will signal to the vehicle within a brief amount of time that it is being programmed. This can be done by cycling the door locks or by emitting an audible chime. This can be a tricky process, so pay close attention to the timing and avoid pressing too hard the button.

If the key fob does not function after reprogramming, you can try replacing the batteries. If the issue persists, you might want to visit your local dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram the car fob, or even create a brand new one if needed.

Genesky claims he is able to program newer fobs between $200 and $250, depending on the model of vehicle. However, he's had to turn away customers with European models due to the fact that there's no equipment required. A majority of the aftermarket fobs are programmed, but always consult your local dealer to determine the price.

How do I get a brand new fob

If your key fob can't be repaired, you might need to buy a new one. Depending on the brand and model, a dealership or an auto locksmith may be able to assist. 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 to programme your vehicle properly. If you are looking for a less expensive solution, a variety of locksmiths can provide you with an entirely new car key fob for a more affordable price.

It is a good thing to attempt to reset the fob you have before you rush out to buy another one. The owner's guide should explain the correct reset procedure. It is typically a series button presses that reset the factory program.

You should also look over the owner's manual and warranty information to determine whether you can obtain a replacement key fob. If your car is still under warranty or you have a car insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be eligible for reimbursement for the cost of an entirely new fob.

The process of getting a fob can be simple enough however finding the best place to have it done can be tricky. If you own a new car and would like the peace of mind that comes from knowing that your key fobs are in working condition, you may prefer going to the dealership for this service. However, if you're looking for a more affordable option it is usually possible to find a locksmith who is independent who can provide the same services for a significantly lower price.

A locksmith professional is a good option for those who aren't comfortable with this type of work. They are skilled and equipped to reprogram or replace all kinds of car key fobs, and they can often accomplish the task in a short time. In addition, a locksmith is often able to come to your home or office to do the job, which can be very convenient for some people. They can even cut and program keys on the spot when you've lost them, which is ideal for those who prefer not to leave their vehicles unattended.