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Suzuki Key Fob Programming There are certain things you should know before trying to program your own key fob. The first thing to know is that the process of programming will differ between car models. Most modern cars are 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 can make your car more convenient to drive and improve security by allowing you to open doors and start the engine without reaching for your keys. The system uses radio frequencies to connect the key fobs with the receiver inside the car. The process is quite simple, and it does not require any special equipment or previous experience. When you hit a button on the key fob, it will send a 40-bit code to a receiver in your vehicle. The receiver matches the code with a function code that tells it what action to do, such as opening the doors or opening the windows. The system is also designed to stop other people from using your key fob to open your car, since each transmitter is unique in code. Modern cars come with systems that automatically lock the vehicle when you've walked away from it. This is useful when you are prone to forgetting things or are concerned about leaving your car unattended. However, these systems have some drawbacks, for instance, the ability for thieves to hack into them. There are many problems that can cause the keyless entry system as well as remote starter to fail properly. The most common issue is a dead battery on your key fob. If this is the case, try replacing the battery inside your fob. If this doesn't solve the issue, you might need to have your fob programmed again. Keyless Start System With this technology, drivers can start their engines without having to insert a mechanical key. The fob instead transmits an access key to the console, which unlocks a set of electrical switches and begins the engine. When the engine is running it is possible to press a button on the fob can be pressed to turn off the motor off. suzuki sx4 key fob replacement includes safeguards to prevent the car from starting in gear or when someone is not near the steering column. Its computer checks to make sure the transmission is in park and the brake pedal is pushed down before allowing the engine to begin and it could also be programmed to require a certain sequence of button presses before the engine will run. Suzuki's smart key fob, like other modern wireless devices connects to your car through radio frequency. The transmitter is housed in the fob, and its signal is picked up by antennas inside and outside the vehicle. These antennas are similar to the ones used by the door locks, and allow the car to detect that the fob is within its range. When the receivers receive a signal, they deactivate the immobilizer, allowing the engine to rotate just like a regular key. Keyless Remote Control If your key-fob doesn't work, it could be due to an issue with its physical components, like broken battery connector contacts or buttons. It could be a software problem that needs reconfiguring. Simple tests with a voltmeter or multimeter will determine if the battery is still charged and is able to run the microprocessor of the remote. Key fobs that are newer use RFID (radio-frequency identification) to communicate with the computer of the vehicle. They transmit a digital identification code, and the car computer saves this code so that the key fob can unlock and start the car. The key fobs transmit a signal on the same frequency as phones do. This technology can be used to remotely control auto systems, for example, lift gates that power up, or even start the engine of a car from outside. Fobs emit a loud noise to stop thieves from entering the car. The most frequent reason for a key fob to stop functioning is that the batteries need to be replaced. Follow a few simple steps to reprogramme your fob in this case. Immobilizer The Immobilizer, as you imagine from its name, stops the vehicle from beginning without the key fob. 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 key fob's transponder chip transmits its ID to the vehicle. The module that is aware of the vehicle's identity, checks the ID of the key fob with the BCM and, if the two match the vehicle will 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 crack the Immobilizer on three vehicles belonging to popular brands within ten second after obtaining the keys. Most older vehicles have an unreliable, simpler version of this system. It utilizes one personal code that is permanent and has 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. To reprogram an authorized key, you will need the 7 digit SKC (Skip Key Code) number for your specific Vehicle. This number can be found from the Dealership when you purchase your new Key Fob. It also requires the Workshop Code and Importer number. The Immobilizer system usually is 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.