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Suzuki Key Fob Programming Before you try to program your key fob yourself, there are a few things that you should be aware of. The first thing you need to know is that the method of programming will differ for different car models. Most modern cars come with an immobilizer. This means that if you don't have the original key to the car, you won't even be able to start the vehicle. Keyless Entry System Keyless entry systems can make your car more convenient to drive and help with security by permitting 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 to the receiver in the car. The process is relatively simple and doesn't require any special equipment or past experience. When you press the key fob, it transmits the 40-bit number to a receiver inside your vehicle. The receiver matches that code with the function code that will tell it what to do, like unlocking the doors or rolling down the windows. The system is designed to keep others from using your key fob to unlock your vehicle, because each transmitter comes with its own unique code. Modern cars are equipped with systems that automatically lock the car when you've walked away from it. This can be useful if you are prone to forgetting things or worry about leaving your car unattended. These systems aren't without their shortcomings. For instance, thieves can hack into these systems. There are several issues that can cause your keyless entry or remote starter to fail to function properly. The most frequent issue is a dead or dying battery in your key fob. You can replace the battery if this is the cause. If this doesn't solve the issue, you may need to have your fob reprogrammed. suzuki alto key replacement With this technology drivers can begin their engines without having insert an electronic key. Instead, the fob sends an access key to the console, which unlocks a set of electrical switches and starts the engine. Once the engine has begun it can be pressed in order to shut it off. The system also comes with security features to prevent the car from starting in gear, or if someone isn't in close proximity to the steering column. Its computer monitors to make sure the transmission is in park and that the brake pedal is turned down before allowing the engine's start and can be set to require a certain number of buttons before the motor can start. Similar to other modern smart keys, Suzuki's key fob is a wireless device that communicates with your car by radio frequency. The transmitter is integrated 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 door locks, and allow the car to detect when the fob is within range. Once the receivers detect the signal, they will turn off the immobilizer and allow the engine to turn, just as an ordinary key would. Keyless Remote Control If your key fob does not function, it could be due to a physical problem like broken battery connector contacts or buttons. It could be a problem with software that needs reprogramming. A few simple tests with the voltmeter or multimeter can determine if the battery is still able to hold an amount of charge and is capable of operating the microprocessor in the remote. The newer key fobs are able to communicate with the vehicle computer through RFID (radio frequency identification). The key fob transmits a digital code and the car computer stores it so that the key can unlock and start your car. Key fobs transmit signals at the same frequency as phones do. This technology can be used to remotely control vehicle systems, such as lift gates that can be powered or even start the engine of a vehicle from outside. Fobs also can trigger an enthralling roar to frighten away thieves and other unwanted guests. The most common reason for a key fob's ability to stop working is because the batteries need to be replaced. Follow a few easy steps to reprogram the fob in this scenario. Immobilizer As you can guess from the name, the Immobilizer stops the vehicle's engine from starting without the key fob present. The system employs LF (low frequency of 125 kHz) transmitting antennas inside and outside of the vehicle that are activated by key fob's button presses or when its handle is pulled. The transponder chip that is on the key fob is then able to transmit the ID back to vehicle. The module that has the vehicle's identity checks the ID of the key fob to that stored in the BCM, and 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 was able to hack three popular Immobilizers for cars within ten seconds after obtaining the keys. Most older vehicles have the less reliable, simpler version of this system. It uses one code that is personal, that is permanent as well as a second code that changes each time the ignition key is turned. Newer vehicles use an advanced, electronically-controlled Engine Immobilizer system that features two-tier security. You'll need the 7-digit SKC (Skip Key Code), which is specific to your vehicle, to reprogram a key. This number can be retrieved by the Dealership at the time of purchasing your new Key Fob. You'll also require the Workshop Code and Importer number. The Immobilizer is typically not affected by a battery disconnect however the Transponder ECU on the Key Fob will need to be reprogrammed through the OBDII port with the right diagnostic tools.