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Car Key Repair – How to Fix a Dead Remote Car remotes are an excellent convenience for drivers. broken car key repair can unlock doors, open trunks, and even start the car. These remotes can stop working at the most inconvenient of instances. If you notice that your key fob no longer working, try a few simple fixes before heading to the dealer. These steps may save you money. Keyless Entry System Instead of having to fiddle around with keys in your pocket or purse Instead of fumbling around with keys in your purse or pocket, you can stroll up to your car, hit a button on your key fob, then unlock the doors and start the engine. It's a practical feature that has made the world of car driving more comfortable and safer. The keyless entry system, like any other device, can be damaged by repeated use or by other causes. If you've encountered issues with yours, there are two options: visit the dealer or contact the local locksmith. The way that a keyless entry system functions is by sending radio signals and then looking for a corresponding response from the key fob. If the system recognizes the signal, it's triggered to unlock the car doors and also activate the computer onboard. Certain systems have an additional receiver in the trunk of the car, which opens automatically when you waggle your foot on it. Each key fob comes with an individual digital identification code that is assigned by the manufacturer. The fob is programmed using a proprietary process called “programming”. This involves turning on the ignition of the car repeatedly in a certain sequence, and may also require pulling buttons or levers, or removing fuse. Once the key fob is programmed into the keyless system of your car, it transmits a digital identity code and a function code to instruct the car to (lock the trunk, unlock it or open the trunk). The car's receiver confirms that the transmitter is who it claims to be by using an authentication and encryption procedure. If it's authorized the computer on board unlocks the vehicle and starts the engine. There are fears that a clever criminal could intercept the code transmitted between the key fob and the car. This would require a special device to record the transmission then transmit it again when the system isn't expecting it. To help combat this, most keyless entry systems rely on rolling code that guarantees that each new transmitter signal received by the vehicle has a different counter than the previous one. Batteries The most frequent reason for car remotes key fobs not working is an inoperative battery. It's an easy and cheap fix if you have another key fob at your desk to replace the old one with. Most fobs are powered by watch-style batteries that can be purchased at hardware stores or big-box stores for less than $10. A quick search on the internet or in your vehicle's owner's manual should give you instructions on how to disassemble the fob that you have been using and replace the battery. Once you've removed the battery, be careful not to disturb any circuits or antennas inside the case. If you mess with them the key fob will become unprogrammable and will not work. If you must move the key fobs, be careful. Certain key fobs might have fasteners that can easily pop out and scatter key fob pieces all over your living space. The case of the majority of key fobs has one screwdriver hole. To open it, you can use a pry tool. However, before you begin you must push the tool along the outside edge of the case like you would peel an apple or orange. Don't apply too much pressure as the case of the key fob is typically made of plastic, and it is prone to break or crack when you exert too excessive force. When you're ready for replacing the battery, make sure to match the size and type to the key fob. Some key fobs come with two batteries while others only need one. The wrong battery can cause your remote to become useless. After the new battery is in place, test your key fob once more to see if the battery has fixed your problem. If this doesn't work you'll need to determine whether your fob is experiencing something more complicated that requires a professional diagnosis. It could be necessary to have the key fob reprogrammed by a dealer or buy a new one. Buttons The buttons on your key fob may appear small but they're loaded with electronics. So it's not too surprising that they're doomed to fail from time time. If the button on your car's ignition suddenly stops working, you'll be able to generally fix it yourself. One of the most common reasons that a car key remote doesn't work is that dirt or crud has become lodged between the buttons. To clear this up, carefully remove both the batteries and clean each button by using a cotton swab, coated with rubbing alcohol. Be car key repair shop near me to dry them thoroughly before reinstalling the batteries. It's possible that your key fob was damaged in some way, such as being dropped on concrete or accidentally scratched. If this is the situation, you can check the function of your key fob using another one. Another possibility is that the door sensor for your car's lock isn't working anymore. This is a tiny metal piece that is attached to the door lock button on your key fob, and it's not common for this sensor to break following long-term use or exposure to extreme weather conditions. To activate the sensor again simply press your key button a few times without locking or unlocking your doors to reset it. If all other options fail, you can always check the functioning of the spare key by attempting to open and close your doors with it. If the spare key does not work, you might need to contact a locksmith on call 24 hours a day who offers automobile key repair to get your remote working again. If your car key button is working, but it's still not locking or unlocking your vehicle, you can try to re-programme your computer system. But keep in mind that if you've owned the same key fob for some time, it will have to be programmed every couple of months to ensure that it continues to work properly with your vehicle. It's not optimal, but it's better than having to purchase another remote.