Car Key Fob Repairs

Key fobs today do much more than simply unlock and start vehicles. However, the added complexity could result in high repair bills in the event that one of them malfunctions.

It's good to know that a majority of fobs are powered by flat-watch-style batteries which can be replaced at home. You may find that a simple reset can allow your fob to function again.

Battery Replacement

The most frequent reason that a key fob doesn't work 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 fob. You can purchase a new button cell battery at your local auto parts retailer or hardware store in the event that you already have one. You can also consult your owner's manual (or in the case that you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions for opening and replacing the battery on your particular type of fob.

You'll need to gently pull away the sides of the majority of fobs to reach the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a blade that is thin. It might help to look for a notch on the bottom of the fob that you can put your tool in between. It is also advisable to look for tiny pieces that could break loose while working.

Insert the new battery the same manner as you removed the previous one. Make sure the positive (+) side is facing upwards towards the buttons and that the negative (-) side of the battery is aligned correctly with the marks inside the battery compartment of your fob.

Press a button to test the fob. If it doesn't, you may have an issue with your car that requires a professional 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, a car specialist or dealer may be the best option. When replacing a battery be patient and follow your owner's instructions. You may be able to locate a battery similar at a big-box store or discounter, but make sure to check the owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

To prevent theft, most key fobs are equipped with a mechanical key hidden inside. If the battery inside the fob goes out, a blank key is left behind that can be used to open doors and trunks. In some instances, this key can even start certain cars. A majority of people don't realize they can save a trip to a dealership by replacing the fob batteries. Most modern fobs have flat-watch-style batteries which are readily available at hardware stores and auto parts shops. Using the correct type of battery is essential however. A bad battery can damage the electronic circuitry, which can cause the fob to fail much earlier.

If you change the battery and discover that the issue persists it could be a sign something else is happening with your car key fob repair. If you have an owner's manual look for there is a reset option available to restore the fob's original programming. If this fails, you'll need visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.

Fobs could also fail due to faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they transmit signals that allow you to unlock and start your car using the fob. If you're being required to get closer and closer to your vehicle in order to make it work, there's a great chance the transmitter is failing.

It may be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver is usually enough to do the trick, but some fobs require a specialized tool or equipment which can only be found at a dealer. It is a good idea to have a qualified mechanic do this job so that you don't accidentally break the fob or hurt yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working just requires a new battery. These batteries are readily available in both pharmacy and home improvement stores and are inexpensive. This is a great method to start before you purchase a new key fob.

You can also re-program your key fob on your own by following a few basic steps. This process varies between vehicle manufacturers, so it is important to consult your owner's manual as well as research the specifics of your particular model. For example the key fob might require the ignition to be on while reprogramming it. One key fob could require the key to be inserted multiple 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 fob is communicating with the vehicle in a correct manner. Insert the old key into the ignition, then turn it ON, but don't start the engine. Press the lock button while aiming the fob toward the receiver of the transmission. This is usually located on the left side, just above the mirror. Within a short time frame the key will signal to the vehicle that it's being programmed by cycling the doors locks or emitting a chime. This process can be tricky, so it's important to pay attention to the timing and not to over-press the key button.

If the key fob isn't working try reprogramming it with fresh batteries. If the issue persists, you might want to check with your local locksmith or dealer. A professional will have the tools and equipment to reprogram your car's fob, or create the key if required.

Genesky claims he is able to program newer fobs between $200 and $250, depending on the model of vehicle. However, he's had to refuse customers with European models due to the fact that he doesn't have the expensive equipment they require. The majority of aftermarket fobs can be programmed, but always consult your local dealer to determine the cost.

Getting a New Fob

If your key fob is simply beyond repair, you may require an entirely new one. Depending on your vehicle's make and model, an auto locksmith or dealership might be able to assist. The dealership will likely be the most expensive alternative for replacing a fob however, they'll have the necessary tools and software to program your car correctly. If you're looking for a cheaper option, a number of independent locksmiths will be able to provide you with new car keys for a much more reasonable cost.

Before you decide to purchase a new key fob, it is an excellent idea to try resetting your current device. The owner's manual will outline the correct procedure for reset which is typically the pushing of a button which restores the factory settings.

It is recommended to read your owner's manual as well as warranty information before you decide which place to go for a key fob replacement. If your vehicle is 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.

Finding the best where to purchase a fob can be difficult. If you have a relatively new car and want the assurance with knowing that your keys fobs are in good working order, you may be better off going to the dealership for this service. If you're looking for an affordable alternative it is usually possible to find a locksmith independent who can provide the same service at a much lower cost.

If you aren't comfortable handling this type of work yourself, a professional locksmith may be a good option. They are certified and equipped to repair or replace the majority of car key fobs and they can often complete the task quickly. A locksmith can also visit your office or home which is a great option for many. They can even cut and program keys on-site in case you've lost keys, which is great for those who do not want to leave their cars unattended.

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