The 10 Scariest Things About Car Key Fob Repair

Car Key Fob Repairs

Key fobs of today are more than just a way to unlock and start cars. This added complexity can result in costly repairs when it fails.

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

Battery Replacement

The most common reason a key fob stops working is due to a dead battery. It's a simple repair car key, and is worth a try before you spend money on a new key fob. Take your car to a local auto parts store or a hardware retailer that carries button cells and choose the replacement. You can also consult the owner's manual (or in the case that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions on opening and replacing the battery on the specific type of fob you have.

You'll need to gently pry off the sides of many fobs to reach the battery. You'll need a small, flat-bladed screwdriver, or another tool with a thin blade. It's a good idea to look for a notch on the bottom of the fob that you can place your tool between. It is also advisable to keep an eye out for tiny pieces that could break loose while you work.

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

You can push a button to test the fob. If it doesn't, you might have a problem with your car that requires a specialist to repair key or replace.

Some key fobs are difficult to open and their contacts may be fragile and easily corroded. In these cases, a car specialist or dealer may be the best choice. When replacing a battery be gentle and follow your owner's instructions. You may be able to locate a comparable battery at a discounter store or a big-box retailer but you'll have to check the owner's manual to be sure that it matches your car.

Replace the internal key

To protect against theft, the majority of key fobs are equipped with a mechanical key hidden inside. When the battery in the fob dies it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases start certain cars). The majority of people don't realize they can avoid a trip to the dealership by recharging the fob batteries. The majority of modern fobs utilize flat watch-style batteries that are easy to find in hardware stores and auto parts shops. It is essential to choose the right type of battery. The wrong kind can damage the electronic circuitry, causing the fob to fail faster.

If you change the battery, and the problem persists it could be a sign that something else is going on with your car. Check your owner's manual to see if there's a reset procedure that can restore the fob's the factory program. If that doesn't help you'll have 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. These are usually built into the dashboard or next to the steering wheel, and they send signals that allow you to unlock and start your car using the fob. If you notice that you're having to get closer and closer to your car to get it to work, there's a good possibility that the transmitter is not working.

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

Reprogramming the Key

Most of the time, a key fob that isn't working simply needs a fresh battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, it's an excellent first step prior to investing in the purchase of a new car key fob.

You can also change the programming of your key fob on your own if you follow the steps below. The process is different for different vehicles brands, so it's essential to read the owner's manual and study the specifics of your model. One key fob might require that the ignition switch be switched on when changing the program. One key fob could require the key to be inserted multiple times.

The general process is simple. First, make sure the new battery is firmly in place. Close all doors, except the driver's door. This will ensure the new fob is communicating with the vehicle properly. Insert the old key into the ignition, turn it on, but do not start the engine. Next, press the lock button on the fob while looking at the transmission receiver, which is usually situated on the front of the car above the mirror. The key will signal to 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 difficult procedure, so pay attention to the timing and don't press too hard the button.

If the key fob doesn't work, try reprogramming it again with new batteries. If the issue isn't resolved, a visit to your car dealer or a locksmith should be considered. A professional will have the tools and programming equipment to reprogram your car's fob, or create an entirely new key if required.

Genesky says he's able to program newer fobs for $200-$250, based on the car. Genesky has experienced European models rejected due to the fact that he lacks the expensive equipment required. Fortunately, many aftermarket fobs can be programmable but it's always best to talk to a car dealer first to determine what the cost is.

How do I get a brand new fob

If the key fob you have cannot be fixed, you could need to buy an entirely new one. Depending on your vehicle's make and model, an auto locksmith or a dealership may be able help. The dealership will likely be the most expensive option for a fob replacement, but they will also have all the required tools and software to program your car correctly. If you're looking for a cheaper solution, a variety of locksmiths can offer you a brand-new car key fob for a more affordable price.

It's a good idea to attempt to reset your current device before you decide to buy an entirely new one. The owner's manual will outline the proper reset procedure that is typically a series of button pushes that reset the original programming.

You should also look over the owner's guide 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 provides bumper-to-bumper protection, you may be eligible for reimbursement for the cost of a new fob.

Finding the right location to purchase the fob you need can be difficult. If you have a relatively new car and want the security with knowing that your keys fobs are in good order, you may be better off going to the dealership to get this service. If you're looking for an option that is more affordable it is usually possible to find a locksmith who is independent who can provide the same service for a significantly lower price.

If you're not comfortable doing this type of work yourself, a professional locksmith may be a great choice. They are skilled and equipped to replace or reprogram all kinds of car key fobs, and they can often accomplish the task in a short time. In addition, a locksmith can often come to your workplace or home to do the job which is useful for certain people. They can even cut and program keys on-site in case you've lost keys, which is ideal for those who prefer not to leave their cars unattended.