Car Key Fob Repairs Key fobs today do a lot more than just unlock and start vehicles. This added complexity could lead to expensive repair bills when it fails. It's a good idea to know that the majority of fobs are powered by flat-watch-style batteries that can be replaced at home. It is possible that a reset can bring it back to life. Battery Replacement The most frequent reason the key fob ceases to function is due to a dead battery. It's simple to repair and worth a try before you purchase the replacement fob. Simply take your car to an hardware or auto parts retailer that stocks button cell batteries and pick up 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 open and replace the battery in your fob. Most fobs come with two halves that snap together- you'll need to gently pry the sides apart to access the battery. You'll need a small, flat-bladed screwdriver or another tool with a thin blade. It's a good idea to look for a groove along the lower edge of the fob that you can use to place your tool between. You might also want to be on the lookout for small pieces that may come loose while you work. When you have your new battery, insert it in the same manner that 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 with the markings in the battery compartment of your fob. You can push a button to test the fob. If it isn't working, there could be a problem in your car that needs to be fixed or replaced by a professional. Certain key fobs can be difficult to open, and the contacts could be fragile and easily damaged. In these instances you should consult a specialist in your car or dealer may be the best option. When replacing a battery be gentle and follow your owner's manual. You might be able to locate a comparable battery at a discounter store or a big-box retailer however, you'll need to consult your owner's manual to make sure that it's compatible with your vehicle. Replace the internal key To prevent theft, most key fobs come with a mechanical key hidden inside. When the fob battery dies, it leaves behind a blank internal key that is able to unlock trunks and doors (and in some cases, start certain cars). Most people aren't aware of this, but they can avoid having to go to the dealership by simply replacing the fob battery. The majority of modern fobs utilize flat-watch-style batteries which are readily available at auto parts stores and hardware shops. It is essential to choose the correct kind of battery. The wrong type can damage the circuitry and lead to the fob's failure earlier. If you try replacing the battery and find the issue is still there it could be a sign something else is happening in your vehicle. If you have an owner's manual 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 you'll have to visit a dealer or an independent shop that is specialized in vehicle security systems and fob programming. Fobs can also malfunction due to faulty transmitter receivers. They are typically placed on the dashboard or next to the steering wheel, and transmit signals that allow you to unlock and start your car with the fob. If you're required to move closer and closer to your car in order to make it work, there's a high possibility that the transmitter is not working. It may be required for a professional to access the case of the fob in order to replace the transmitter. A simple screwdriver will usually work, however some fobs require a specialized tool or special equipment that can only be purchased at a dealer. This task must be handled by a certified mechanic to avoid damaging the fob as well as yourself. Reprogramming the Key A key fob that is not functioning just requires a new battery. Because these batteries are cheap and readily available at pharmacies and home improvement stores, it's an excellent first step prior to investing in the purchase of a new car key fob. You may also be able to re-program the fob by following some basic steps. The procedure varies for different vehicle makes, so it's important to refer to the owner's manual as well as research the specifics of your particular model. A key fob may require that the ignition be turned on while changing the program. Another may require the key to be removed and inserted repeatedly. The process is straightforward. First, make sure that the new battery is firmly in place. Close all doors, except the driver's door. This will ensure that the new key fob communicates with the vehicle properly. Put the old key in the ignition, then turn it ON however, do not start the engine. Press the lock button while aiming the fob at the transmission receiver. It is usually located on the left side, just above the mirror. The key will notify the vehicle within a short amount of time that it is being programmed. This can be done by cycling the door locks or emitting an audible chime. This procedure can be difficult, so it's important to pay attention to the timing and to not over-press the key button. If the key fob does not work after reprogramming it, try using a new battery. If the issue isn't resolved then a visit to your car dealer or a locksmith should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or create a new one if necessary. Genesky says he's able to program newer fobs for around $200-$250, based on the car. Genesky has experienced European models turned away because there isn't the equipment required. Fortunately, car key repair service can be programmed but it's always best to check with an auto dealer first to see what their price is. Finding a New Fob If the key fob you have cannot be fixed, you could require a new one. Depending on the make and model, an auto locksmith or dealership may be able to help. The dealership is likely to be the most expensive choice for a replacement fob, but it also has the tools and software necessary to program your car properly. If you are looking for a less expensive solution, many independent locksmiths can offer you new car keys at a lower cost. Before you decide to purchase a new fob, it is recommended to consider resetting your current one. Your owner's manual should outline the proper procedure for reset that is typically pushing a few buttons that restores the factory settings. You should also look over the owner's guide and warranty information to determine whether you can obtain an alternative key fob. If your car is still 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. You may want to go to the dealer for this service if have a newer car and are looking to feel secure knowing that your key fobs are functioning correctly. However, if you're looking for an option that is more affordable it is possible to find an independent locksmith who can offer the same services for a significantly lower price. If you're not comfortable doing this kind of work yourself, a professional locksmith may be a good option. They are skilled and equipped to replace or reprogram the majority of car key fobs and often they can accomplish the task in a short time. In addition, a locksmith is often able to come to your home or office to do the job, which can be very convenient for some people. They can also cut and program keys on site if you've lost them. This is perfect for those who do not want to leave their vehicle in the garage.
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