Car Key Fob Repairs
Key fobs today do a lot more than unlock and start vehicles. This added complexity can lead to expensive repair bills in the event that it malfunctions.
It's important to know that most fobs are powered by flat-watch-style batteries which can be replaced at home. And you may find that a reset will get yours working again.
Battery Replacement
A dead battery is the most common reason for the fob's key not working. It's simple to solve and is worth a try before you invest in an alternative fob. You can pick up a new button cell battery at your local auto parts retailer or hardware store If you own one. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery in your fob.
Most fobs have two halves that snap togetherYou'll need to pull the sides apart to get to the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a blade that is thin. You can put your tool into a slot on the bottom of the key fob. You might also want to keep an eye for tiny pieces that could break loose as you work.
Insert the new battery in the same manner as you removed the previous one. Make sure the positive (+) side is facing upwards toward the buttons, and that the negative (-) side of the battery is aligned correctly with the markings inside the battery compartment of your fob.
You can push a button to test the fob. If it fails, it might be a problem with your vehicle that needs to be fixed or replaced by a specialist.
Certain key fobs can be difficult to open, and the contacts may be brittle and easily corrosion-prone. In these instances the best solution is to speak with a expert or dealer. When replacing a battery, be patient and follow your owner's guide. You might be able to find an identical battery at a big-box store or discounter, but make sure you check the owner's manual to ensure it's compatible with your vehicle.
Replace the internal key
To protect against theft, the majority of key fobs have an electronic key inside. If the battery of the fob fails, it leaves an internal key blank that can unlock doors and trunks (and in some cases, even start certain vehicles). Most people don't know this, but they can save from a trip to the dealer by simply replacing the fob battery. Most modern fobs use flat-watch-style batteries which can be found at hardware stores and auto parts shops. It is essential to choose the correct kind of battery. A bad battery can cause damage to the circuitry and lead to the fob to fail much earlier.
If you try replacing the battery and discover that the problem persists it could be a sign something else is happening in your vehicle. If you have an owner's manual look for you can use a reset procedure to restore the fob's factory programming. If this 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 fail because of faulty transmitter receivers. They are typically located on the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car using the fob. If you're being required to get closer and closer to your car to be able to make it work, there's a good chance the transmitter is failing.
It may be required for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver is enough to get the job done however, some fobs have complex release mechanisms that require a special tool or equipment that is available only at a dealership. This is a job that must be handled by a qualified mechanic to avoid damaging the fob as well as yourself.
Reprogramming the Key

A key fob that's not working might just need a new battery. Because they are cheap and readily available at pharmacies and home improvement stores, it's an excellent first step prior to purchasing a new car key fob.
You may also be able to reprogram the fob on your own by following the steps. This procedure can differ between vehicles, so it is recommended to consult your owner's guide and research the model you have. A key fob may require the ignition to be turned on while programming. Another may require the key to be removed and inserted repeatedly.
view site… is simple. First, make sure the new battery is securely in place. Then, get into the driver's seat, and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob is communicating with the vehicle in a proper manner. Then, put the old key back into the ignition and switch it to the ON position, but don't start the engine. Then press the lock button on the fob, while making sure to point it towards the transmission receiver, which is typically situated on the front of the car above the mirror. The key will signal to the vehicle within a brief amount of time that it is being programmed. This can be accomplished by turning the door locks or emitting an audible chime. This procedure can be difficult and it's crucial to be attentive to the timing and not to over-press the key button.
If the key fob still does not work, try reprogramming it again with new batteries. If the problem persists then a visit to the dealer of your vehicle or a locksmith is a good idea. A professional locksmith will have the tools and equipment to reprogram your car's fob, or create a new key if it's required.
Genesky says he's able to program newer fobs for around $200 to $250, based on the model of vehicle. But he's had to turn away customers with European models due to the fact that there's no equipment required. A majority of the aftermarket fobs are programmed, but always check with your local dealer to find out the price.
How to get a new fob
If your key fob is beyond repair, you might require a new one. Based on the make and model, the dealer or an auto locksmith might be able to assist. The dealership will likely be the most expensive alternative for replacing a fob however, they'll have all the required tools and software needed to programme your vehicle properly. If you're looking for a cheaper solution, many independent locksmiths can provide you with new car keys at a lower cost.
It's a good idea to try to reset the fob you have before you decide to buy an entirely new one. The owner's guide should explain the correct reset procedure. It is typically the result of a series of button presses that restores the factory programming.
It is an excellent idea to review your owner's manual as well as warranty information before deciding where to go for the replacement of your key fob. If your car is under warranty, or you have a car-insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of a new fob.
The process of getting a fob can be simple enough however, finding the right location to get it done can be a challenge. You might want to visit the dealer to get this service if you are driving a brand new car and you are looking to feel secure knowing that your key fobs work properly. However, if you're looking for an affordable alternative it is usually possible to find an independent locksmith who can offer the same services at a much lower cost.
A professional locksmith is a great choice if you're not comfortable doing this kind of work. They are certified and equipped to repair or replace all kinds of car key fobs, and often, they can complete the task quickly. Additionally, locksmiths can often come to your home or office to complete the task, which can be very useful for certain people. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who prefer not to leave their vehicles unattended.