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Suzuki Key Fob Programming Before you try to program your key fob by yourself, there are some points you must be aware of. The first thing to know is that the procedure for programming will differ from car models. Most modern cars have an immobilizer system. This means that if you don't possess the original key and you don't have it, you won't be in a position to start the vehicle. Keyless Entry System A keyless entry system can make your car more convenient to drive and help with security by allowing you to open the doors and start the engine without having to reach for your keys. The system uses radio frequency to connect the key fobs with the car's receiver. The process is simple and does not require any special equipment or previous experience. When you press the button on your key fob the key fob sends a 40-bit signal to a receiver within your vehicle. The receiver matches the code with a function-specific code that tells it what action to take, such as unlocking 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, as each transmitter has its own unique code. Modern cars have systems that automatically lock your vehicle after you leave. This can be useful if you are prone to forgetting things, or if you are worried about leaving your car unattended. However, these systems have their drawbacks, including the possibility of thieves being able to hack into them. There are a variety of issues that could cause the keyless entry system as well as remote starter to fail correctly. The most frequent cause is a dead battery in your key fob. You can replace the battery in case this is the issue. If this fails, you may have to have your fob programmed. Keyless Start System This technology lets drivers start their engines without requiring a mechanical key. Instead, the fob sends an access code to the console that unlocks a series of electrical switches which activate the engine, causing it to start. Once the engine has started, a button on the fob can be pressed to shut the motor off. The system also has security measures to stop the car from accidentally starting in gear or when a person is not within the steering column. The computer will verify that the transmission is in Park and that the brake pedal is engaged prior to allowing the car to start. It is also possible to be programmed to require a specific sequence of button presses. Suzuki's smart key fob, like other wireless devices of the present connects to your car through radio frequency. The transmitter is integrated into the fob, and its signal is picked up by antennas that are located inside and outside of the vehicle. These antennas, which are similar to those used for door locks, enable the car to sense when the fob is within the range. When the receivers detect the signal they will disable the immobilizer and let the car run, just as a normal key would. Keyless Remote Control If your key fob does not work, it could be due to a physical problem like broken battery connector contacts or buttons. It could also have a software problem that requires changing the programming. Simple tests with a multimeter or voltmeter will show if the battery is fully charged and capable of running the microprocessor inside the remote. The latest key fobs make use of RFID (radio-frequency identification) to communicate with the computer of the vehicle. The key fob sends a digital code and the car computer stores it so that the key is able to unlock and start your car. Key fobs transmit a signal on the same frequency as a cell phone. This technology can be used to remotely activate vehicle systems, such as lift gates that can be powered or even start the engine of a vehicle from outside. Fobs can also trigger an alarming sound to scare off criminals and other undesirable guests. The most frequent reason for a key fob's device to stop working is the batteries need to be replaced. If this is the scenario, changing the fob's program can be done by following a few easy steps. Immobilizer The Immobilizer, as you can imagine from its name, prevents the vehicle from starting without a key fob. The system uses LF (low frequency 125 kmhz) transmitting antennas inside and outside the vehicle that are activated by key fob's button press or when its handle is pulled. The transponder chip in the key fob is then able to transmit the ID back to vehicle. The module that is aware of that the vehicle's identification compares the key fob's ID with the one stored in the BCM If they are compatible the vehicle can start. This system is very effective at deterring most carjackers, though it does not protect against the more technologically-advanced thieves. In a recent report security researcher Bokslag managed to stealthily crack three popular Immobilizers for cars within a matter of ten seconds after receiving the keys. Most older vehicles have a less reliable, simpler version of this system. It is based on only one personal code, that is permanent and a second one 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. To reprogramme an authorized key, you need the 7 digit SKC (Skip Key Code) number that is specific to your vehicle. This number is obtained from the dealer when you purchase a new Key Fob. how to program suzuki swift key 'll also require the Workshop Code and Importer Number. The Immobilizer is typically not affected by a disconnect of the battery, but the Transponder ECU on the Key Fob will need to be reprogrammed via the OBDII port with the right diagnostic tools.