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Suzuki Key Fob Programming Before you try to program your key fob yourself There are a few things that you need to be aware of. The first thing to know is that the method of programming will differ between car models. Modern cars are equipped with an immobilizer system. If you don't have the original key to the car, it will not be able to start the car. Keyless Entry System A keyless entry system can make your car more comfortable to drive in addition to increasing security by allowing you to open the doors and start the engine without reaching for your keys. The system uses radio frequency to connect the key fobs and receiver in the car. The process is easy and doesn't require any special equipment or prior experience. When you press a button on the key fob, it transmits a 40-bit code to a receiver in your vehicle. The receiver matches the code with a function code which determines what action to perform, like unlocking the doors or lowering the windows. The system is also designed to block other people from using your key fob to open your car, since each transmitter has its own unique code. Modern cars come with systems that automatically lock your car when you've walked away from it. This is useful when you are prone to forgetting things or are concerned about leaving your vehicle unattended. These systems are not without their faults. For instance, criminals are able to hack into these systems. There are a few issues that could cause your keyless entry system and remote starter to not work properly. The most common issue is a dead battery in your key fob. You can replace the battery in case this is the cause. If this doesn't solve the problem, you may require having your fob reset to its original programming. Keyless Start System This technology allows drivers to start their engines without having to use a mechanical key. Instead, the fob sends an access code to the console that unlocks a number of electrical switches that activate the engine and allow it to start. When the engine is running at a certain speed, a button on fob can be pressed to turn off the motor off. The system also features security features to prevent the car from starting in gear, or if someone is not within the steering column. Its computer monitors to make sure that the transmission is in neutral and the brake pedal is pushed down before allowing the engine's start and can be programmed to require a certain number of press-button presses before the motor can start. Like many modern smart keys Key fobs from Suzuki are a wireless device that communicates with your vehicle via radio frequency. The transmitter is integrated into the fob, and its signal is picked by antennas both inside and outside of the vehicle. These antennas are similar in design to the ones used by the door locks, and they allow the car to detect when the fob is within its range. As soon as the receivers detect the signal they will shut off the immobilizer and allow the engine to turn, just as the normal key would. Keyless Remote Control If your key-fob doesn't work, it could have physical issues, like damaged battery connector contacts or buttons. It could also be an issue with software that requires reprogramming. A few simple tests using a multimeter or voltmeter will determine if the battery is still able to hold an amount of charge and is able of operating the microprocessor within the remote. Key fobs that are newer use RFID (radio-frequency identification) to communicate with the car's computer. They transmit a digital identification code, and the car computer stores this code so that the key fob will be able to 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 car systems, such as power lift gates or even start the engine of a car from outside. Fobs emit a loud sound to deter thieves and unwanted guests. The most frequent reason for a keyfob to stop working is that the batteries need to be replaced. If this is the situation, reprogramming the fob can be done by following the steps below. Immobilizer The Immobilizer as you guess from its name, stops the vehicle from beginning without a key fob. The system utilizes LF (low frequency 125 milliseconds) transmitting antennas both inside and outside the vehicle that are activated by key fob's button press or when its handle is pulled. G28 Car Keys in the key fob sends its ID back to the vehicle. The module that is aware of the vehicle's identity compares the ID of the key fob against 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 get into the Immobilizer in three vehicles by popular brands within ten minutes of obtaining keys. The majority of older vehicles utilize an older, 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 turned 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), which is unique to your vehicle, to reprogram a key. This number can be found by the dealer at the time of purchasing your new Key Fob. You will also need the Workshop Code and Importer Number. The Immobilizer system won't be affected by a battery being disconnected, but you will need the correct diagnostic tools to reprogram the Transponder ECU in the Key Fob.