Car Key Fob Repairs
Key fobs of today do a lot more than unlock and start cars. This extra complexity can lead to expensive repair bills in the event that it malfunctions.
The good news is that most fobs have flat-watch-style batteries that are simple to replace at home. It is possible that a simple reset is enough to bring your fob back to life.
Battery Replacement
A dead battery is the main cause of a key fob not working. It's simple to repair and worth a try before you purchase the replacement fob. Simply drive your car to a local auto parts store or hardware retailer that stocks button cell batteries and pick up an alternative. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to open and replace the battery inside your fob.
Most fobs have two halves that snap together -you'll have to gently pry the sides apart to get to the battery. You'll require a small flat-bladed screwdriver or another tool with a thin blade. It might help to look for a groove along the lower edge of the fob that you can wedge your tool between. You might also want to look for small pieces that could come 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 up towards the buttons and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.
Test the fob to see whether it is working by pressing a button. If it doesn't, you may have an issue with your car that requires a specialist to repair or replace.
Certain key fobs require specific tools to open and close them, and the contacts inside can be fragile and susceptible to corroding. In these cases, a car specialist or dealer may be the best option. If you're looking to replace batteries, you should be very gentle and follow the instructions that are specific to the owner's manual. You may be able to locate an identical battery at a big-box store or discounter, but make sure to check the owner's manual to ensure it's compatible with your car.
Replacing the Internal Key
The majority of key fobs have an actual mechanical key, but it's hidden inside the fob to keep it from being stolen. If the battery of the fob fails it leaves an internal key that is blank which can open trunks and doors (and in some cases start certain cars). A majority of people do not realize that they can avoid a trip to the dealership by replacing the fob batteries. The majority of modern fobs utilize flat watch-style batteries that can be found at auto parts stores and hardware shops. It is important to use the correct kind of battery. A wrong battery can harm the circuitry and cause the fob's failure earlier.
If you try replacing the battery and find the problem persists it could be a sign something else is going on with your car. If you have an owner's manual, check to see if there is a reset option available to restore the fob's factory programming. If this isn't working, you'll need visit a dealership or independent shop that specializes vehicle-security systems and key fob programming.
Fobs can also malfunction due to faulty 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 with the fob. If you notice that you're being required to get closer and closer to your car to be able to make it work, there's a good chance that the transmitter isn't working.
A professional may need to open the case to replace the transmitter. A simple screwdriver will usually do the job, but some fobs have complex release mechanisms that require a specialized tool or equipment that is available only at a dealership. This task should be done by a qualified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
A key fob that's not working could just require a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, it's an excellent first step prior to purchasing the purchase of a new car key fob.
You may also be able to program the fob yourself by following some basic steps. The procedure may differ for different vehicles, so you should consult your owner's guide and study the specific model of your vehicle. A key fob may require that the ignition be on when changing the program. One key fob may require the key to be inserted multiple times.
The process is straightforward. First, make electronic car key repair that the new battery is securely in place. Close all doors, with the exception of 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 and turn it ON, but don't start the engine. Next press the lock button on the fob, while looking at the transmission receiver, which is usually located in the front of the car above the mirror. The key will notify the vehicle within a short period of time that it is being programmed. This can be done by turning the door locks or by emitting an audible chime. This can be a difficult process, so it's important to be attentive to the timing and to not over-press the key button.
If the key fob still doesn't work, try reprogramming it again with new batteries. If the issue is still there, you might want to visit your local locksmith or dealer. A professional locksmith will have the tools and equipment to reprogram your car fob or create a new one, if required.
Genesky claims he is able to program newer fobs that range between $200 and $250, depending on the model of vehicle. He's had European models rejected due to the fact that they don't have the equipment required. The majority of aftermarket fobs can be programmed, but you should always consult your local car dealer to determine the cost.
A New Fob
If your key fob can't be fixed, you could need to buy another one. Based on the make and model, the dealer or an auto locksmith might be able to help. The dealership will likely be the most expensive option for a replacement fob, but they will also have all the required tools and software needed to program your vehicle correctly. For a more affordable solution, many independent locksmiths can provide you with a brand-new car key fob at a lower cost.
It's a good idea to attempt to reset the fob you have before you rush out to buy an entirely new one. The owner's manual should explain the proper reset procedure that is typically a series of button pushes that restores it to factory programming.
It is recommended to check the owner's manual and warranty information before deciding where to go for the replacement of your key fob. If your vehicle is under warranty, or you have a car-insurance policy or auto club membership with bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of an entirely new fob.
Finding the best place to get a fob can be difficult. If you have a relatively new car and would like the assurance from knowing that your key fobs are in working condition, you may be better off visiting the dealership for this service. If you're seeking a less expensive alternative, it's possible to find a locksmith who will offer the same service for less cost.
If you aren't comfortable handling this kind of work yourself, a professional locksmith may be a great choice. They are trained and equipped to change or reprogram key fobs for cars of all kinds and do it quickly. A locksmith can also come to your house or office, which is convenient for many. They can also cut and program keys on the spot in case you've lost keys. This is perfect for those who don't like to leave their car unattended.