Car Key Fob Repair: What's No One Is Discussing

· 6 min read
Car Key Fob Repair: What's No One Is Discussing

Car Key Fob Repairs

Key fobs today do a lot more than unlock and start vehicles. But that extra complexity can result in expensive repair costs if one of them breaks.

The good news is that most fobs are equipped with flat-watch-style batteries that are easy to replace at home.  repair car key near me  is possible that a reset can make your device work again.

Battery Replacement

The most frequent reason why that a key fob doesn't work is due to the battery being dead. It's simple to solve and is worth a try before you purchase an alternative fob. You can pick up a new button cell battery at your local auto part store or hardware retailer in the event that you already have one. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery in your fob.

You'll have to gently pull off the sides of many fobs in order to access the battery. It's usually a screwdriver or some other tool equipped with a thin, flat blade. It's a good idea to look for a notch along the bottom of the fob that you can use to put your tool in between. You might also want to keep an eye out for tiny pieces that could break loose while working.

Install the new battery in the same manner as you removed the old one. The positive (+) side should face the buttons and the reverse (-) the markings on the compartment for the battery.

Test the fob to see if it works by pushing a button. If it doesn't work, there could be an issue with your car that requires a professional to fix or replace.

Certain key fobs are difficult to open and their contacts may be brittle and easily damaged. In these cases the best solution is to talk to a expert or a dealer. If you're in need of replacing batteries, you should be very gentle and adhere to the instructions that are specific to the owner's manual. You might be able to locate a comparable battery at a discounter store or a big-box retailer, but you'll need to check the owner's manual to make sure that it's the right one for your vehicle.

Replacing the Internal Key

Most key fobs contain a physical mechanical key that is hidden within the fob to stop thieves from getting. When the battery in the fob dies it leaves behind a blank internal key that can unlock doors and trunks (and in some cases, even start certain vehicles). Most people don't know this, but they can avoid having to go to the dealership by simply replacing the fob's battery. The majority of modern fobs utilize flat watches-style batteries that are easy to find at hardware stores and auto parts shops. It is important to use the right type of battery. A bad battery can damage the electronic circuitry, causing the fob to fail sooner.

If the problem continues to persist after you replace the battery, it could be an indication that something else is going on with your vehicle. If you have an owner's guide, check to see if you can use a reset procedure to restore the fob's original programming. If this isn't working, you'll need visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.

Fobs may also fail due to malfunctioning 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 using the fob. You may have to move closer to your car to make it work.

It may be necessary for a professional to open the case of the fob to replace the transmitter. A simple screwdriver will usually get the job done however, some fobs have complicated release mechanisms that require a specialized tool or specialized equipment available only through a dealer. It is a good idea to have a qualified mechanic perform this task so you don't damage the fob or hurt yourself.

Reprogramming the Key

A key fob that's not working could just require an upgrade in battery. These batteries are easily found in pharmacy and home improvement stores and are cheap. This is a great option to begin before purchasing an entirely new key fob.

Alternately, you might be able to reprogram the fob on your own by following the steps. This process can vary between automobiles, so consult your owner's guide and research the model you have. For instance, one key fob may require that the ignition be on while reprogramming it. One key fob may 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 that the new key fob is communicating with the vehicle in a proper manner. Insert the old key into the ignition, then turn it ON however, do not start the engine. Then, press the lock button on the fob, while aiming it 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 is being programmed. This can be done by turning the door locks, or emitting an audible chime. This process can be tricky and it's crucial to pay attention to the timing and not to over-press the key button.

If the key fob still isn't working Try reprogramming it with fresh batteries. If the issue is still there, you may want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment required to reprogram your car's fob or create a new one if needed.

Genesky claims he is able to program newer fobs between $200 and $250, based on the vehicle. He's had European models turned away because they don't have the equipment needed. Most aftermarket fobs can be programmed, but always inquire with your local car dealer to find out the cost.

How do I get a new fob

If your key fob is beyond repair, you might need to get a new one. Depending on the model and make, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive option for a replacement fob, but they will also have all of the necessary tools and software to programme your vehicle properly. Numerous locksmiths who are independent offer a new car key fob at an affordable price.

Before you decide to purchase a new key fob, it is recommended to consider resetting your current device. The owner's manual should provide the correct procedure for reset. This is usually a series button presses that restores the factory programming.

It's an excellent idea to read your owner's manual and warranty information before you decide where to go for an replacement fob for your key. If your car's warranty is in good standing or you have an auto club or car insurance policy that covers bumper-to-bumper, you may qualify to receive a reimbursement for the cost of replacing the fob.

Finding the right location to purchase a fob can be a challenge. If you have a relatively new car and would like the peace of mind that comes from knowing that your key fobs are in good condition, you may be better off visiting the dealership to get this service. If you're looking for a more affordable alternative, it is possible to find a locksmith that can provide the same service for less cost.

If you're not comfortable doing this type of work yourself, a professional locksmith can be a great choice. They are trained and equipped to change or reprogram key fobs for cars of all types and can do it quickly. A locksmith can also come to your house or office which is a great option for many people. They can even cut and program keys on the spot if you have lost keys, which is ideal for those who prefer not to leave their cars unattended.