car key repairs fobs today do a lot more than unlock and start vehicles. This added complexity can lead to expensive repair bills if it breaks.
The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. You may find that a simple reset will bring your fob back to life.
Battery Replacement
The most frequent reason why the key fob ceases to function is because of the battery being dead. It's simple to solve and is worth a try before you spend money on the replacement fob. Take your car to an hardware or auto parts retailer that carries button cell batteries and purchase an alternative. 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 remove and replace the battery in your fob.
You'll have to gently pull off the sides of many fobs to access the battery. You'll need a small, flat-bladed screwdriver or another tool with a thin blade. It might help to look for a notch on the bottom of the fob that you can wedge your tool between. It is also advisable to be on the lookout for small pieces that may fall off while working.
Once you have your new battery, you can insert it the same way that 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.
Test the fob to see whether it functions by pressing a button. If it fails, it may be a problem with your vehicle that needs to be fixed or replaced by a professional.
Some key fobs require special tools to open, and the contacts inside may be delicate and susceptible to corroding. In these situations an expert in the field or dealer may be the best choice. When replacing a battery, be gentle and follow your owner's manual. You might be able to find an identical battery at a big-box store or discounter, but be sure to check the owner's manual to make sure it is compatible with your vehicle.
Replace the internal key
The majority of key fobs have a physical mechanical key, but it's hidden inside the fob to prevent thieves. When the battery in the fob dies, it leaves behind a blank internal key that is able to unlock trunks and doors (and in some cases, even start certain cars). A majority of people don't realize that they can save a trip to a dealership by replacing the fob batteries. The flat watch-style battery is used in the majority of modern fobs. They 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 cause the fob's failure much sooner.
If you try replacing the battery and discover that the issue is still there it could be a sign that something else is going on with your car. If you have an owner's guide look for a reset procedure is available to restore the fob's original programming. If this doesn't work, you'll have visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.
Fobs may also malfunction due to malfunctioning transmitter receivers. They are usually found close to the steering wheel, or on the dashboard. They transmit signals that enable you to unlock your vehicle and start it using the fob. It is possible that you will need to get closer to the car in order to make it work.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver will usually get the job done however some fobs come with complicated release mechanisms that require a specific tool or specialized equipment available only at a dealership. It's best to have a certified mechanic handle this job to ensure you don't accidentally break the fob or cause injury to yourself.
Reprogramming the Key
A key fob that is not functioning just requires a new battery. Because they are cheap and easily available at pharmacies and home improvement stores, this is the ideal first step before investing in an entirely new car key fob.
You may also be able to program the fob by following the steps. The procedure may differ for different vehicles, so it is recommended to read the owner's manual and study the specific model of your vehicle. For instance, one key fob may require the ignition to be on while reprogramming it. Another key might require the key to be removed and inserted several times.
The general process is simple. First, make sure that the new battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob is communicating with the vehicle properly. After that, put the old key back into the ignition and turn it on to the ON position, but do not start the engine. Next, 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 inform the vehicle within a short amount of time that it's being programmed. This can be done by turning off the door locks or emitting an audible chime. This process can be tricky and it's crucial to be attentive to the timing and don't over-press the key button.
If the key fob does not work, try reprogramming it again using new batteries. If the issue persists then a visit to your car dealer or a locksmith is a good idea. A professional will have the tools and equipment necessary to re-program your car's fob or make a new key if it's required.
Genesky claims he is able to program newer fobs ranging from $200 and $250, depending on the model of vehicle. He's experienced European models rejected due to the fact that he lacks the expensive equipment required. The majority of aftermarket fobs can be programmed, but you should always consult 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. Based on the make and model, a dealership or an auto locksmith may 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 program your car correctly. Numerous locksmiths who are independent provide a new car key fob for the lower cost.
Before you rush to get a new fob, it is a good idea to try resetting your current device. The owner's guide should explain the correct method of reset. It is typically a series button presses that restores the factory programming.
You should also look over your owner's guide and warranty information to see whether you can obtain a replacement fob for your key. If your car is still under warranty or you have a car insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of a new fob.
Finding the best place to get a fob can be difficult. If you own a new vehicle and you want the assurance from knowing that your key fobs are in good condition, you might be better off visiting the dealership for this service. If you're looking for a more affordable option, it is often possible to find a locksmith independent who can offer the same services for a lower cost.
If you're not comfortable doing this type of work on your own, a professional locksmith may be a great option. They're trained and equipped to replace or reprogram car key fobs of all kinds and can do it quickly. In addition, a locksmith is often able to come to your workplace or home to complete the task, which can be very useful for certain people. They can even cut and program keys on the spot if you have lost them, which is ideal for those who do not want to leave their vehicles unattended.