11 Ways To Totally Block Your Car Key Fob Repair

· 6 min read
11 Ways To Totally Block Your Car Key Fob Repair

Car Key Fob Repairs

Key fobs today do a lot more than unlock and start vehicles. This added complexity could lead to expensive repair bills in the event that it malfunctions.

The good news is that most fobs have flat-watch-style batteries that are simple to replace at home. You may find that a simple reset will bring your fob back to life.

Battery Replacement

The most frequent reason the key fob ceases to function is due to the battery being dead. It's a simple fix, and it's worth trying before you go spending money on a new fob. You can pick up a new button cell battery at your local auto part retailer or hardware store in the event that you already have one. You can also refer to 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 on opening and replacing the battery in the specific type of fob you have.

Most fobs have two halves that snap together -You'll need to break the sides in order to access the battery. You'll require a small flat-bladed screwdriver, or a different tool with a blade that is thin. It may be helpful to look for a groove along the lower edge of the fob that you can use to wedge your tool between. You might also want to be on the lookout for small pieces that could fall off while working.

Insert the new battery the same way you removed the previous one. The positive (+) side should face the buttons and the negative (-), the markings on the compartment for the battery.

Push a button to test the fob. If it doesn't work, you might have an issue with your car that requires a specialist to repair or replace.

Some key fobs are difficult to open and the contacts may be brittle and easily damaged. In these cases the best choice is to talk to a specialist or dealer. When replacing a battery, be gentle and follow your owner's guide. You might be able to find a similar battery at a discounter store or a big-box retailer, but you'll need to consult your owner's manual to be sure that it matches your car.

Replace the internal key

To guard against theft, many key fobs have an electronic key inside. If the battery of the fob fails, it leaves an internal key blank that is able to unlock doors and trunks (and in some cases, even start certain cars). Most people don't realize that they can avoid a trip to a dealership by replacing the fob batteries. Most modern fobs have flat watches-style batteries that 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 earlier.

If the issue persists after replacing the battery, it may be an indication that something else is wrong in your vehicle. Go through the owner's manual to determine if you have a reset procedure that will restore the fob to factory programming. If this fails, you'll need go to a dealer or an independent shop that specializes in security systems for vehicles and key fob programming.

Fobs may also malfunction because of faulty transmitter receivers. They are usually found close to the steering wheel, or on the dashboard. They transmit signals that allow you to unlock your car and begin it using the fob. You may have to move closer to the car in order to get it to work.



It might be necessary for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver can usually get the job done, but some fobs have complicated release mechanisms that require a specific tool or specialized equipment available only at a dealer. This is a job that should be performed by a qualified mechanic to avoid damaging the fob as well as yourself.

Reprogramming the Key

A key fob that's not working may simply need a new battery. Because they are cheap and easily available at pharmacies and home improvement stores, it's a good first step before buying the purchase of a new car key fob.

Alternatively, you may be able to reprogram the fob by following the steps. This procedure can differ between vehicles, so it is recommended to refer to the owner's manual and study the specific model of your vehicle. For example, one key fob may require that the ignition be on while reprogramming it. Another might need the key to be removed and inserted repeatedly.

The basic procedure is simple. Make sure that the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure the new key is communicating with the vehicle correctly. Then, place the old key back in the ignition and switch it to the ON position, but don't start the engine. Press the lock button while aiming the fob at the receiver of the transmission. It is usually located on the front, above the mirror. The key will notify the vehicle within a short amount of time that it's being programmed. This can be done by turning the door locks or emitting an audible chime. This is a challenging procedure, so pay attention to timing and don't over-press the button.

If the key fob still doesn't work try reprogramming it using new batteries. If the issue is still there, you might want to visit your car dealer or locksmith.  car key fob repair near me  will have the tools and equipment necessary to re-program your car's fob or make a new key if it's needed.

Genesky says he's able to program newer fobs for $200-$250, depending on the vehicle. He's had European models rejected because there isn't the equipment required. Fortunately, most aftermarket fobs can be programmed but it's always best to check with a car dealer first to determine what their price is.

How to get a new fob

If your key fob can't be repaired, you may need to buy a new one. Depending on the brand and model, the dealer or an auto locksmith may be able to assist. The dealership is likely to be the most expensive alternative for replacing a fob, but they will also have the necessary tools and software to program your car correctly. Numerous locksmiths who are independent offer a new car key fob at an affordable price.

It's a good idea to attempt to reset your current fob before you make the decision to purchase a new one. The owner's guide should explain the correct reset procedure. This is usually the result of a series of button presses which restores the factory settings.

It is also recommended to check your owner's guide and warranty information to determine whether you can obtain an alternative key fob. If your car's warranty still active 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.

The process of getting a fob can be simple enough, but finding the right place to have 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 properly. However, if you want an affordable alternative it is possible to find a locksmith independent who can provide the same service for a lower cost.

A professional locksmith is a good option for those who aren't comfortable with this type of work. They are skilled and equipped to replace or reprogram the majority of car key fobs, and they can often do it quickly. In addition, a locksmith can often come to your office or home to do the job which can be extremely useful for certain 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.