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Suzuki Key Fob Programming There are a few things you should know before trying to program your own key fob. The first thing to be aware of is that the procedure for programming will differ between car models. The majority of modern cars are equipped with an immobilizer. If you don't own the original key for the car, it will not be able begin it. Keyless Entry System A keyless entry system can make your car more convenient to drive, and also improve security by allowing you to open doors and start the engine without having to search for your keys. The system uses radio frequency to connect the key fobs and receivers in the car. The process is easy and doesn't require any special equipment or previous experience. When you press a button on the key fob, it broadcasts an encrypted 40-bit code to a receiver inside your vehicle. The receiver matches the code with a function code which indicates what action to do, such as opening the doors or rolling up the windows. The system is also designed to stop other people from using your key fob to unlock your car, since each transmitter is unique in code. Modern cars have systems that automatically lock your vehicle when you walk away. This is a great feature if you are prone to forgetting things or are worried about leaving your vehicle unattended. However, these systems have some drawbacks, for instance, the possibility for thieves to hack into them. There are many problems that could cause the keyless entry system and remote starter not to work properly. A dead battery in your fob is the most common issue. You can replace the battery if this is the issue. If this doesn't solve the issue, you might need to have your device changed to a different program. Keyless Start System This technology allows drivers to start their engines without the need for a mechanical key. The fob instead transmits an access key to the console which unlocks a set of electrical switches and starts the engine. Once the engine is running it is possible to press a button on the fob can be pressed to turn off the motor off. The system is protected by safeguards that stop the car from getting started without intention when there is no one at the wheel. The computer will check that the transmission is in Park and the brake pedal is engaged prior to allowing the car to begin. It is also possible to be configured to require the exact sequence of button presses. Suzuki's smart key fob, like other modern wireless devices connects to your car via radio frequency. The transmitter is built into the fob, and its signal is picked up by antennas on both sides of the vehicle. These antennas are similar to the ones used by the door locks and enable the car to know when the fob is in range. As soon as the receivers sense the signal, they will shut off the immobilizer, allowing the engine to turn over, just like the normal key would. 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 software that requires reprogramming. Simple tests using a voltmeter or multimeter will determine if the battery is active and able to run the microprocessor that is in the remote. The latest key fobs connect to the car computer using RFID (radio frequency identification). The key fob sends a digital code and the car computer stores it so that the key can be opened and start your car. The key fobs transmit signals at the same frequency as the cell phone. This technology can be used to remotely control vehicle systems, such as lift gates that power up or even start the engine of a vehicle from outside. Fobs emit a loud sound to dissuade thieves and unwanted guests. Batteries are the primary reason for an unresponsive key fob. Follow a few simple steps to reprogramme your fob if this is the case. Immobilizer As you might guess from the name, the Immobilizer stops the engine from running without the key fob present. The system uses LF (low-frequency 125 kHz) transmitting antennas, which are activated when the key fob is held or its handle is pulled. The transponder chip in the key fob transmits the ID back to the vehicle. The module that knows about the vehicle's identity checks the ID of the key fob with the BCM and when the two match the vehicle will be able to start. 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 slyly hack the Immobilizer in three vehicles by popular brands within ten second after obtaining the keys. Most older vehicles use an older, less reliable version of this system with a single permanent personal code and a changing second code that's read every time the key is switched on. Newer vehicles use an advanced, electronically-controlled Engine Immobilizer system that features two-tier security. You'll require the 7-digit SKC (Skip Key Code), that is unique to your vehicle, in order to reprogramme your key. g28carkeys.co.uk is available by the dealer at the time of buying your new Key Fob. You'll also require the Workshop Code and Importer Number. The Immobilizer system will not be affected by a battery disconnect however, you will require the correct diagnostic tools in order to reprogram the Transponder ECU on the Key Fob.