Car Key Fob Repairs

Key fobs today can do much more than just unlock and start vehicles. But that extra complexity can cause costly repairs if one of them breaks.

It's important to know that a majority of fobs are powered by flat-watch-style batteries which can be easily replaced at home. It is possible that a simple reset is enough to allow your fob to function again.

Battery Replacement

The most frequent reason that a key fob doesn't work is due to the battery being dead. It's a simple fix and worth trying before you spend money on a replacement fob. You can purchase the new button cell at your local auto parts retailer or hardware store if you have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to remove and replace the battery in your fob.

The majority of fobs have two halves that snap togetheryou'll have to gently break the sides to access the battery. You'll need a small, flat-bladed screwdriver, or another tool with a thin blade. It may be helpful to look for a notch on the bottom of the fob which you can place your tool between. It is also advisable to look for small pieces that could come loose while you work.

Install the new battery in the same way as you removed the previous one. Make sure that the positive (+) side is facing up towards the buttons and that the negative (-) side of the battery is aligned with the markings inside the battery compartment of your fob.

Press a button to test the fob. If it doesn't, you may have a problem with your car that requires a professional to repair or replace.

Certain key fobs can be difficult to open and their contacts may be brittle and easily corrosion-prone. In these cases the best solution is to speak with a specialist or a dealer. If you're in need of replacing a battery, try to be very gentle and adhere to the specific instructions in your owner's manual. You may be able to locate a comparable battery at a discounter store or a big-box retailer however, you'll need to refer to your owner's manual to ensure that it's compatible with your vehicle.

Replace the internal key

The majority of key fobs have an actual mechanical key however, it's hidden within the fob to keep it from being stolen. When the fob battery dies it will leave an internal key that is blank that is able to unlock doors and trunks (and in some cases, even start certain cars). A majority of people don't realize they can avoid a trip to the dealership by replacing the fob batteries. The flat watch-style batteries are used in most modern fobs. These batteries can be found in hardware stores and auto parts stores. 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 much sooner.

If the problem persists after you replace the battery, it may be a sign that something else is going on with your vehicle. Review the owner's manual of your vehicle to see if there's a reset procedure that will restore the fob's factory-setup. If that doesn't help then you'll need to visit a dealer or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also malfunction because of faulty transmitter receivers. They are typically located on the dashboard or close to the steering wheel, and transmit signals that allow you to unlock and start your car using the fob. If you're required to move closer and closer to your vehicle in order to make it work, there's a high chance that the transmitter isn't working.

It might be necessary for a professional to open the case of the fob to replace the transmitter. A simple screwdriver will usually do the job however some fobs come with complex release mechanisms that require a specialized tool or specialized equipment that is available only at a dealer. It's best to have a qualified mechanic handle this job to ensure you don't break the fob or cause injury to yourself.

Reprogramming the Key

A key fob that is not functioning simply requires a new battery. Because these batteries are cheap and easily available at pharmacies and home improvement stores, this is the ideal first step before buying an entirely new car key fob.

Alternatively, you may be able to program the fob yourself by following the steps. The procedure may differ for different vehicles, so you should read the owner's manual and research your specific model. One key fob might require that the ignition switch be turned on while reprogramming. Another might need the key to be inserted and removed repeatedly.

The process is straightforward. Make sure that the battery is securely in place. Then, get in the driver's seat, and close all doors EXCEPT for the driver's side door. This will ensure the new key is communicating with the vehicle in a correct manner. Insert the old key into the ignition, then turn it on, but do not start the engine. Press the lock button while aiming the fob toward the transmission receiver. This is usually located on the left side, just above the mirror. Within a brief time the key will signal to the vehicle that it's been programmed by triggering the doors' locks or emitting a chime. This procedure can be difficult and it's crucial to be attentive to the timing and to not over-press the key button.

If the key fob won't work after reprogramming it, try replacing the batteries. If the issue persists, you might want to check with your Remote car key repairs dealer or locksmith. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or clone the key if needed.

Genesky says he's able to program newer fobs for $200-$250, based on the car. He's had European models rejected due to the fact that they don't have the equipment required. Luckily, the majority of aftermarket fobs are programmable but it's always best to check with the dealer of your choice first to determine what the cost is.

How do I get a new fob

If your key fob is simply beyond repair, you may need to get an alternative. Depending on your vehicle's make and model, an auto locksmith or a 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 needed to program your car properly. Many locksmiths in independent shops provide a new car key fob at a much lower price.

It is a good thing to try to reset your current device before you rush out to buy another one. The owner's manual will outline the proper reset procedure, which is usually just pushing a few buttons that reset the factory settings.

You should also check the owner's manual and warranty information to determine whether you are eligible for a replacement key fob. If your car is still under warranty, or you have a car key repairs near me-insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of the new fob.

The process of getting a fob can be simple enough however, finding the right location to get it done isn't easy. You may want to visit the dealer for this service if you have a newer car and you want to be confident that your keyfobs are working correctly. If you are seeking a less expensive alternative, it is possible to find a locksmith that will provide the same service for a lower price.

A locksmith professional is a good option if you're not comfortable doing this type of work. They are certified and equipped to repair or replace the majority of car key fobs, and they can often accomplish the task in a short time. A locksmith is also able to visit your office or home which is convenient for many. They can even cut and program keys on-site if you have lost keys, which is great for those who don't like to leave their cars unattended.