Car Key Fob Repair Explained In Fewer Than 140 Characters
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Car Key Fob Repairs
Key fobs today can do more than unlock and start vehicles. This extra complexity can lead to expensive repair bills in the event that it malfunctions.
It's a good idea 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 can make your device work again.
Battery Replacement
A dead battery is the most frequent reason for a key fob that isn't working. It's a simple fix, and it's worth a try before you spend money on a new key fob. Take your car to an hardware or auto parts retailer that stocks button cell batteries and pick up the replacement. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to replace and open the battery in your fob.
Most fobs come with two halves that snap togetheryou'll have to gently pull the sides apart to get to the battery. It's usually a screwdriver or another tool that has a flat, thin blade. You can wedge your tool into a notch on the bottom of the key fob. It is also advisable to keep an eye out for tiny pieces that could break loose while working.
When you have your new battery, place it the same way that you removed the previous one. The positive (+) side should be facing the buttons and the negative (-), the markings on the compartment for the battery.
Check the fob to determine whether it functions by pressing the button. If it doesn't work, there could be a problem in your vehicle that needs to be repaired or replaced by a professional.
Some key fobs require special tools to open and close, and the connections inside may be delicate and susceptible to corroding. In these cases, a car specialist or the dealer will likely be the best option. When replacing a battery, be gentle and follow your owner's manual. You may be able to find a similar battery at a discounter or a big-box retailer but you'll have to check the owner's manual to make sure that it matches your car.
Replacing the Internal Key
To guard against theft, many key fobs have an electronic key inside. If the battery inside a fob dies, a blank key is left behind and can be used to open doors and trunks. In some cases it is possible to start certain cars. Most people don't realize they can avoid a trip to the dealership by replacing the fob batteries. The flat watch-style battery is found in the majority of modern fobs. These batteries can be located at auto parts stores and hardware stores. Choosing the right type of battery is essential however. The wrong kind can damage the electronic circuitry, which can cause the fob to fail much sooner.
If the problem continues to persist after replacing the battery, it may be an indication that there is something else wrong in your vehicle. Go through the owner's manual to determine if there's an option to reset the fob and restore the fob's factory-setup. If this fails, you'll need go to a dealer or a shop independent that specializes in vehicle-security systems and key fob programming.
Fobs can also fail due to malfunctioning transmitter receivers. These are usually located close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your car and start it with the fob. You may need to get closer to your car to get it to work.
A professional might need to open the case to replace the transmitter. A simple screwdriver is usually enough to work, however certain fobs require a specific tool or special equipment that can only be purchased at a dealer. This is a job that should be performed by a certified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working simply requires a new battery. Because they are cheap and readily available in pharmacies and home improvement stores, this is the ideal first step before purchasing a new car key fob.
Alternately, you might be able to program the fob by following the steps. The process is different for different vehicles makes, so it's important to consult your owner's manual and research the specifics of the model you own. For example the key fob might require the ignition to 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, make sure the new battery is in place. Then, sit in the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure that the new fob is communicating with the vehicle in a correct manner. Then, place the old key back into the ignition and turn it to the ON position, but do not start the engine. Press the lock button while aiming the fob at the transmission receiver. It is usually located on the front, above the mirror. The key will signal to the vehicle within a short period of time that it's being programmed. This can be done by turning the door locks, or emitting an audible chime. This can be a difficult process so it's essential to be aware of the timing and to not over-press the key button.
If the key fob does not work after reprogramming, try using a new G28 Car Keys battery. If the issue persists, you might want to check with your local locksmith or dealer. A professional will have the tools and programming equipment to reprogram your car's fob, or create an entirely new key if needed.
Genesky says he's able to program newer fobs ranging from $200 and $250, depending on the model of vehicle. But he's had to refuse customers with European models due to the fact that they don't have the costly equipment required. Luckily, the majority of aftermarket fobs can be programmed but it's always best to check with an auto dealer first to see what their price is.
How do I get a brand new fob
If the key fob you have cannot be fixed, you could need to buy an entirely new one. Depending on the make and model, an auto locksmith or a dealership might be able to assist. The dealership is likely to be the most expensive option for a fob replacement however, they'll have all the required tools and software to program your vehicle correctly. Many locksmiths in independent shops provide a new car key fob for the lower cost.
Before you purchase a new fob it's recommended to consider resetting your current one. Your owner's manual should outline the correct procedure for reset that is typically a series of button pushes that reset the factory settings.
It is also recommended to check the owner's guide and warranty information to see whether you are eligible for an additional key fob. If your car's warranty is still in effect or you have an auto club or insurance policy that covers bumper-to-bumper, you may qualify for a reimbursement of the cost of replacing the fob.
Finding a fob is simple enough, but finding the right location to get it done isn't easy. If you own a new vehicle and you want the peace of mind that comes with knowing that your keys fobs are in working condition, you may be better off visiting the dealership to get this service. However, if you're looking for an option that is more affordable, it is often possible to find a locksmith independent who can offer the same services at a much lower cost.
If you aren't comfortable handling this type of work yourself, a professional locksmith may be a great option. They are certified and equipped to reprogram or replace most types of car key fobs, and they can often do it quickly. A locksmith can also visit your office or home, which is convenient for a lot of people. They can cut and program keys on the spot in case you've lost them. This is great for those who don't want to leave their vehicle in the garage.