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Car Key Repair – How to Fix a Dead Remote Car remotes are a wonderful convenience for drivers. They can unlock doors, open trunks and even start the engine. Remotes that work with these remotes may stop working at the most inconvenient of moments. If you notice that your key fob is no longer working, try a few quick fixes before heading to the dealership. These tips could save you money. Keyless Entry System Instead of fumbling around with keys in your pocket or purse, you can simply walk to your car, hit a button on the key fob, and then open the doors and start the engine. It's a simple feature that makes driving a car more relaxing and secure. The keyless entry system, like any other device, could be damaged through repeated use or by other factors. If you've experienced problems with your keyless entry system, there are two options: visit the dealership or contact an emergency locksmith in your area. A keyless entry system operates by sending radio signals, and then scouring for a response signal from a key fob. If the system is able to recognize the signal, the vehicle's doors are opened and the computer on board is activated. Some systems include another receiver mounted on the trunk of the car, which will open automatically when you waggle your foot underneath it. Each key fob is equipped with an unique digital identity code that's issued by the manufacturer. A proprietary technical process called “programming” is used to make sure that the fob is set up with the car's specific system. This usually involves turning on the ignition of the vehicle multiple times in a particular sequence, and could also require pulling or pushing various buttons and levers or removing fuses. When a key fob is programmed to your specific vehicle's keyless entry system it transmits the digital identity code, along with an operation code that tells the car what to do (lock in, unlock or open the trunk). The receiver in the car confirms that the transmitter is who it claims to be using an authentication and encryption procedure. If it's authorized the computer on board unlocks the vehicle and begins the engine. There are fears that a criminal with a sly approach could intercept the code transmitted between the key fob and the car. This would require the use of a special device that records the transmission and then retransmits it in the event that the system doesn't want it to. To combat this, most keyless entry systems use a method called rolling code that guarantees that each new signal from the transmitter received by the car has a different counter value than the previous one. Batteries A dead battery is the most common reason for a car remote to not function. It's a simple and inexpensive fix when you have another key fob at hand to replace the old one with. The majority of fobs are powered by watches-style batteries, which can be bought at hardware stores or big-box stores for less than $10. You can find directions to disassemble your key fob on the web or in your vehicle's manual. Once you've removed the battery, be sure not to damage any of the circuits or antennas in the case. They are likely holding the key fob's program to your particular car, and messing with them will make it impossible to program (and likely to fail). If you need to move key fobs, be careful. Certain key fobs might have fasteners which can easily open and scatter key fob pieces across your living space. The case of a majority of key fobs has one screwdriver hole. To open it, use a pry tool. But, to start, wedge the pry tool around the outer edge of the case like you would do when peeling an apple or orange. Be careful not to apply too much pressure, since the case of the fob is usually constructed of plastic and could crack or break if you apply too much force to it. Make sure you match the size and style of the battery to the key fob when replacing it. Some key fobs have two batteries, while others only require one. The wrong battery could render your remote keyfob useless. After the new battery is in place, test your key fob again to see if the battery has fixed your problem. If not then you'll need to figure out whether your device has a more complicated issue that requires professional diagnosis and repair. It could be necessary to have the key fob reset at a dealer or buy an entirely new one. Buttons The buttons on your key fob may be tiny but they're loaded with electronic components. Therefore, it's not surprising that they're doomed to fail from time to time. The good news is, if your car key button stops functioning, there's usually something you can do to fix it yourself. The most frequent reason why the car remote stops functioning is due to dirt or crud have lodged between the buttons. To get electronic car key repair near me of this take care to remove both batteries and scrub each button using a cotton swab that has been coated with ruby alcohol. Be sure to dry the batteries completely before reinstalling them. It's also possible that the key fob was harmed somehow, perhaps dropped on concrete or unintentionally scratched by something sharp. If this is the case, using a different key fob to test its functionality may reveal that yours has simply been damaged and needs to be replaced. Another possibility is that the door lock sensor in your vehicle has stopped working. electronic car key repair near me is a tiny metal piece that is connected to the key fob's door lock button. It is not uncommon for it to break due to weather conditions or long usage. Press your key button several times without locking or unlocking your doors. This resets the sensor. If all other options fail, you can test the functionality of the spare key by attempting to unlock and lock your doors with it. If the spare key does not work, it might be necessary to find a 24-hour locksmith that offers automobile key repair in order to get your remote operating again. You can reprogram your computer if your car key button works but doesn't lock or unlock the vehicle. However, keep in mind that if you've had the same key fob for a period of time, it will have to be programmed every few months to ensure that it is working properly with your vehicle. It's not the ideal situation however it's much better than having to replace your remote completely.