Car Key Fob Repairs
Today’s key fobs do a lot more than unlock and start cars. However, the added complexity could result in high repair bills when one of them fails.
It’s a good idea to know that most fobs are powered by flat-watch-style batteries that 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 key repair‘s key not working. This is a simple repair, and is worth trying before you decide to spend money on a new key fob. Simply drive your car to an hardware or auto parts retailer that carries button cell batteries and pick up a replacement. You can also check the owner’s manual (or in the event that you don’t have one, YouTube is full of videos from people who show you 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 pull the sides apart to access the battery. You’ll need a small flat-bladed screwdriver, or a different tool with a thin blade. It may be helpful to look for a notch on the lower edge of the fob that you can place your tool between. It is also advisable to keep an eye out for small pieces that may be loosened while working.
Insert the new battery the same manner as you removed the old one. Make sure that the positive (+) side is facing upwards toward the buttons, and that the negative (-) side of the battery is aligned correctly with the marks inside the battery compartment of your fob.
Press a button to test the fob. If it fails, it may be a problem with your vehicle that requires to be repaired or replaced by a specialist.
Certain key fobs can be difficult to open, and the contacts may be fragile and easily corroded. In these instances, a car specialist or dealer may be the best option. When replacing a battery, be patient and follow your owner’s manual. You may be able to locate the same battery at a big-box store or discounter, but make sure you read the owner’s manual to make sure that it’s compatible with your vehicle.
Replacing the Internal Key
To guard against theft, many key fobs have a mechanical key hidden inside. If the battery of the fob fails, it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases, even start certain cars). Most people don’t know this however, they can save having to go to the dealership by simply replacing the fob’s battery. The flat watch-style batteries are used in the majority of modern fobs. These batteries can be found in hardware stores and auto parts stores. Using the correct type of battery is essential however. A wrong battery can harm the circuitry, causing the fob’s failure earlier.
If you try replacing the battery and find the issue persists, it could be a sign something else is happening with your vehicle. If you have an owner’s guide and you’re not sure, try to determine if you can use a reset procedure to restore the fob’s factory programming. If this doesn’t work then you’ll need to go to a dealership or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs can also malfunction due to malfunctioning transmitter receivers. They are typically located close to the steering wheel or in the dashboard. They transmit signals that allow you to unlock your vehicle and start it 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 possibility that the transmitter is not working.
A professional might have to open the case of the fob to replace the transmitter. A simple screwdriver can usually get the job done however some fobs come with complicated release mechanisms that require a specific tool or specialized equipment available only through a dealer. It is a good idea to have a certified mechanic handle this job to ensure you don’t damage the fob or hurt yourself.
Reprogramming the Key
A key fob that is not functioning simply requires a new battery. Because they are cheap and readily available in pharmacies and home improvement stores, this is an excellent first step prior to buying an entirely new car key fob.
Alternatively, you may be able to program the fob by following a few basic steps. This process can vary between vehicles, so you should refer to the owner’s manual and research your specific model. For example, one key fob may require the ignition to be turned on while reprogramming it. Another may require the key to be removed and inserted several times.
The procedure is simple. First, ensure that 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 in a correct manner. Put the old key in the ignition, then turn it on however, don’t start the engine. Next, press the lock button on the fob while making sure to point it towards the transmission receiver, which is usually located on the front of the vehicle above the mirror. The key will inform the vehicle within a brief amount of time that it’s being programmed. This can be done by cycling the door locks or emitting an audible chime. This is a challenging process, so pay attention to the timing and don’t press too hard the button.
If the key fob doesn’t work after reprogramming, try using a new battery. If the problem persists you might want to check with your car dealer or locksmith. A professional will have all the tools and equipment to reprogram your car’s fob, or G28Carkeys even create a brand new one, if required.
Genesky says he can usually program newer fobs for around $200 to $250, based on the vehicle. He’s been denied European models turned away because they don’t have the equipment required. A majority of the aftermarket fobs are programmed, but you should always consult your local dealer to find out the cost.
Getting a New Fob
If your key fob cannot be repaired, you may need to buy another one. Depending on the brand and model, the dealership or an auto locksmith might be able to assist. The dealership is likely to be the most expensive choice for a replacement fob, but it also has the tools and software needed to program your car correctly. If you are looking for a less expensive solution, a variety of locksmiths will be able to provide you with an entirely new car key fob for a more affordable price.
It’s a good idea to try to reset the fob you have before you make the decision to purchase a new one. The owner’s manual should provide the correct method of reset. It is typically the result of a series of button presses that restores the factory programming.
It is recommended to check your owner’s manual as well as warranty information prior to deciding the best place to get an replacement fob for your key. If your vehicle is under warranty or you have a car insurance policy or auto club membership with bumper-to-bumper protection, you may be able to receive some reimbursement for the cost of the new fob.
Finding the best location to purchase a fob can be a challenge. If you have a relatively new car and want the security with knowing that your key fobs are in working condition, you might be better off visiting the dealership for this service. However, if you’re looking for an option that is more affordable it is possible to find a locksmith independent who can provide the same service for a lower cost.
A locksmith professional is a great choice If you’re not confident doing this type of work. They are skilled and equipped to repair or replace most types of car key fobs and often they can complete the task quickly. Additionally, locksmiths can often come to your workplace or home to complete the task which can be extremely practical for some. They can also cut and program keys on the spot in case you’ve lost keys. This is great for those who don’t want to leave their car without a key.