Car Key Fob Repairs
Key fobs today can do more than unlock and start cars. However, the added complexity could add up to expensive repair costs when one of them fails.
The good news is that most fobs have flat-watch-style batteries that are simple to replace at home. You may even find that a reset will bring it back to life.
Battery Replacement
A dead battery is the most common cause of a key fob that isn't working. This is a simple repair, and is worth trying before you go spending money on a new fob. You can pick up a new button cell battery at a local auto part store or hardware retailer if you have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to replace and open the battery inside your fob.
Most fobs have two halves that snap together -- you'll need to gently pry the sides apart to get to the battery. You'll usually need a small screwdriver or another tool with a thin, flat blade. You can insert your tool into a notch at the bottom of the key fob. You might also want to watch out for tiny pieces that might break loose while working.
When you have your new battery, insert it in the same way that you removed the old one. The positive (+) side should be facing the buttons, while the opposite side is facing (-) the marks on the battery compartment.
Check the fob to determine whether it functions by pressing the button. If it fails, it may be a problem with your vehicle that needs to be fixed or replaced by a specialist.
Certain key fobs require specific tools to open and close, and the connections inside may be delicate and easily corroded. In these instances, a car specialist or a dealer could be your best option. If you're looking to replace a battery, try to be very gentle and follow the instructions that are specific to the owner's manual. You might be able locate a comparable battery at a discounter store or a big-box retailer, but you'll need to check the owner's manual to ensure that it's the right one for your vehicle.
Replace the internal key
Most key fobs contain the physical key mechanical that is hidden within the fob to stop thieves from getting. When the battery in the fob goes out and the key is discarded, a blank one is left behind that can be used to unlock doors and trunks. In some cases it is possible to start certain vehicles. Most people don't realize they can save a trip to a dealership by replacing the fob's batteries. The flat watch-style battery is used in the majority of modern fobs. These batteries are easily found at auto parts stores and hardware stores. The right kind of battery is essential however. A wrong battery can harm the circuitry and cause the fob's failure earlier.
If the issue persists after replacing the battery, it may be an indication that something else is going on in your vehicle. 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 doesn't help then you'll need to visit a dealer or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs can also malfunction because of faulty transmitter receivers. They are typically located on the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car with the fob. If you're having to get closer and closer to your vehicle to be able to make it work, there's a high possibility that the transmitter is not working.
It could be required for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a specific tool or a special piece of equipment that can only be found at a dealer. It's a good idea to have a certified mechanic do this job so that you don't damage the fob or injure yourself.
Reprogramming the Key
A key fob that is not working could just require a new battery. These batteries are readily available in both pharmacy and home improvement stores and are affordable. This is a great option to begin before purchasing the new key fob.
You can also reprogram your key fob on your own if you follow the steps below. The process is different for different vehicles brands, so it's essential to refer to the owner's manual and study the specifics of the model you own. For example one key fob could require that the ignition be switched on while reprogramming the key. One key fob may require the key to be inserted several times.
The basic procedure is simple. First, ensure that the new battery is firmly in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob communicates with the vehicle in a proper manner. Put the old key in 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 typically located in the front of the vehicle above the mirror. Within speaking of , the key will indicate to the vehicle that it's been programmed by turning off the doors' locks or emitting a chime. This process can be tricky and it's crucial to be aware of the timing and don't over-press the key button.
If the key fob isn't working Try reprogramming it with fresh batteries. If the problem persists you should visit your dealer for your car or a locksmith should be considered. A professional will have all the tools and equipment required to reprogram the car fob or create a new one if needed.
Genesky says he's able to program newer fobs ranging from $200 and $250, depending on the model of vehicle. However, he's had the need to turn away customers with European models due to the fact that he doesn't have the expensive equipment they require. A majority of the aftermarket fobs are programmed, but you should always consult your local car dealer to determine the price.
Getting a New Fob
If your key fob can't be repaired, you might need to buy a new one. Depending on the make and model, a dealership or an auto locksmith might be able to assist. The dealership is likely to be the most expensive option for a replacement fob, but it also has the tools and software required to program your car correctly. Many independent locksmiths provide a new car key fob at the lower cost.
It's a good idea to attempt to reset the fob you have before you make the decision to purchase another one. Your owner's manual should outline the proper procedure for reset, which is usually just a series of button pushes that reset the original programming.
It is also recommended to check your owner's guide and warranty information to see whether you are eligible for an additional 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 for a reimbursement on the cost of a replacement fob.
Finding the best where to purchase a fob can be difficult. If you have a relatively new car and would like the security with knowing that your key fobs are in good order, you may be better off visiting the dealership for this service. If you're seeking a less expensive alternative, it is possible to find a locksmith that will provide the same service for an affordable cost.
A locksmith who is professional is a great choice for those who aren't comfortable with this type of work. They are skilled and equipped to reprogram or replace the majority of car key fobs and often they can do it quickly. Locksmiths can also come to your house or office which is convenient for a lot of people. They can even cut and program keys on-site in case you've lost keys, which is great for those who prefer not to leave their cars in the dark.