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Suzuki Key Fob Programming There are certain things you must be aware of before programming your own key fob. First, the procedure will differ between different car models. Modern cars are usually equipped with an immobilizer. This means that if you don't have the original key that you used, you won't be able to start the vehicle. Keyless Entry System Keyless entry systems make your car safer to drive, and could make you feel more secure. It lets you open doors and start the motor without having to look for keys. The system uses radio frequencies to connect the key fobs to the receiver inside the car. The process is simple and does not require special equipment or previous knowledge. When you press a button on the key fob, it transmits the 40-bit number to a receiver in your vehicle. The receiver matches that code with a function code that instructs it on what to do, such as unlocking the doors or rolling down the windows. The system is also designed to keep other people from using your key fob to unlock your car, since each transmitter has its own unique code. Modern cars are equipped with systems that automatically lock the car when you've gone away from it, which could be beneficial if you are prone to forgetting things or are concerned about leaving your car unattended. These systems are not without their flaws. For instance, thieves are able to hack into these systems. There are a variety of issues that can cause the keyless entry system as well as remote starter to fail properly. A dead battery in your fob is the most common problem. You can replace the battery if it is the problem. If this doesn't fix the problem, you may require having your fob reprogrammed. Keyless Start System This technology allows drivers to start their engines without the need for a mechanical key. The fob instead sends an access key to the console which opens a set of electrical switches and begins the engine. After the engine has been started, the fob's button can be pressed in order to shut it off. The system also includes safeguards to prevent the car from starting in gear or when someone is not in the vicinity of the steering column. Its computer checks to make sure the transmission is in park, and that the brake pedal is pushed to the bottom before it can start the engine and can be set to require a certain sequence of press-button presses before the motor will run. Suzuki's smart key fob, like other wireless devices today connects to your car through radio frequency. The transmitter is built into the fob, and its signal is picked up by antennas both inside and outside of the vehicle. These antennas, similar to those used in door locks, allow the car to know the fob's presence within range. When More Signup bonuses receive a signal, they deactivate the immobilizer, allowing for the engine to turn like a regular key. Keyless Remote Control If your key fob doesn't function, it could be due to physical issues, like broken battery connector contacts or button. It could also be an issue with the software that requires changing the programming. Simple tests using a voltmeter or multimeter will reveal if the battery still in good condition and capable of running the microprocessor inside the remote. Key fobs that are newer use RFID (radio-frequency identification) to communicate with the vehicle's computer. The key fob transmits a code and the car's computer stores it so that the key is able to unlock and start your vehicle. Key fobs emit signals in the same frequency as a cell phone, and this technology can be utilized to remotely turn on certain car systems like power lift gates or even to start the engine of a car from outside the car. Fobs also can trigger an enthralling roar to scare off criminals and other undesirable guests. Batteries are the most common cause of an unresponsive key fob. Follow these steps to reprogramme the fob if this is the situation. Immobilizer The Immobilizer, as you can imagine from its name, prevents the vehicle from starting without the key fob. The system utilizes LF (low-frequency 125 kHz), transmitting antennas that are activated when the key fob is press or its handle is pulled. The key fob's transponder chip transmits its identification back to the vehicle. The module that has information about the vehicle's identity compares the ID of the key fob with the BCM and when the two match, the vehicle will begin. This system is very effective at deterring most carjackers, though it does not protect against the more technologically-advanced thieves. In a recent study security researcher Bokslag was able to sneakily crack the Immobilizer in three cars by well-known brands within ten seconds of obtaining keys. Most older vehicles have an unreliable, simpler version of this system. It is based on a single personal code, which is permanent, and a second code that is changed every time the ignition key is turned. Newer vehicles use an advanced, electronically-controlled Engine Immobilizer system that features two-tier security. You'll need the seven-digit SKC (Skip Key Code), which is specific to your car, to reprogram a key. This number can be obtained by the dealer when you purchase your new Key Fob. You will also need the Workshop Code and Importer Number. The Immobilizer system is usually not affected by a battery disconnect however the Transponder Electronic Control Unit on the Key Fob will need to be reprogrammed using the OBDII port using the appropriate diagnostic tools.