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Suzuki Key Fob Programming Before you try to program your key fob by yourself, there are some things you need to be aware of. The first thing you need to know is that the process of programming will differ from car models. Most modern cars are equipped with an immobilizer. replacement key for suzuki swift means that if you don't possess the original key to the car, you won't even be able to start the vehicle. Keyless Entry System A keyless entry system makes your car safer to drive, and can make you feel more secure. It lets you open doors and start the motor without having to reach for keys. The system uses radio frequency to connect the key fobs to the receiver inside the car. The process is relatively simple and doesn't require any special equipment or past experience. 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 tells it what to do, such as opening the doors or rolling down the windows. The system is also designed to prevent other people from using your key fob to unlock your car, as each transmitter is unique in code. Modern cars feature systems which automatically lock the car after you've walked away from it, which could be beneficial if you are prone to forgetting things or are concerned about leaving your vehicle unattended. However, these systems have their faults. For instance, thieves can hack into these systems. There are a few problems that can cause your keyless entry device and remote starter to fail to perform as expected. The most frequent issue is a dead or dying battery in your key fob. If this is the case, you can attempt replacing the battery in your fob. If this doesn't work then you might need to program your device. Keyless Start System This technology allows drivers to start their engines without having to use an electronic key. The fob instead sends an access key to the console, which unlocks a series of electrical switches, and then starts the engine. Once the engine is started the fob's button will be pressed to turn it off. The system comes with safeguards that prevent the car from starting without intention when there is nobody around the steering wheel. The computer will check that the transmission is in Park and that the brake pedal is engaged prior to it can start the car. It is also possible to be set up to require a specific sequence of button presses. As with other modern smart keys, Suzuki's key fob is an electronic device that communicates with your vehicle via radio frequency. The transmitter is built into the fob and its signal is picked by antennas that are located inside and outside of the vehicle. These antennas, which are similar to those used by door locks, enable the car to detect when the fob is in of the range. When the receivers receive an indication, they shut off the immobilizer, which allows the engine to rotate just as a normal key. Keyless Remote Control If your key fob isn't function, it could be due to physical issues, like damaged battery connector contacts or a button. It could be a software problem that needs to be reprogrammed. Simple tests using a voltmeter or multimeter will show if the battery is still charged and is able to run the microprocessor of the remote. The newer key fobs connect to the vehicle computer using RFID (radio frequency identification). The key fob sends a digital code and the car's computer stores it so that the key is able to unlock and start your car. The key fobs emit signals in the same frequency as a phone, and this technology can be employed to remotely trigger certain car features like power lift gates or even to start the engine from outside the vehicle. Fobs can also sound an attractive blare to scare away criminals and other undesirable guests. The most common reason for a key fob to stop working is the batteries have to be replaced. Follow these steps to reprogramme your fob in this scenario. Immobilizer As you might guess from the name, the immobilizer prevents the engine from running without the key fob present. The system makes use of LF (low-frequency 125 KHz) transmitting antennas that are activated when the key fob is press or its handle is pulled. The transponder chip inside the key fob then sends the ID back to the vehicle. The module that recognizes the vehicle's identity compares the key fob's ID with that stored in the BCM and if they are compatible 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 investigation, security researcher Bokslag was able crack the Immobilizer in three cars by popular brands within ten minutes of obtaining the keys. Most older vehicles use a simpler, less-reliable version of this system, with a single, permanent personal code and a changing second code that's read each time the key is switched on. Newer vehicles use an advanced, electronically-controlled Engine Immobilizer system that features two-tier security. You will need the 7-digit SKC (Skip Key Code), which is specific to your vehicle in order to reprogramme your key. This number can be found by the Dealership when you purchase your new Key Fob. You'll also require the Workshop Code and Importer Number. The Immobilizer system will not be affected by a battery that is disconnected however, you will require the correct diagnostic tools in order to reprogram the Transponder ECU on the Key Fob.