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How to automotive key programming use more than just a key to start the engine, they also come with a remote that can lock and unlock doors. Key fobs need to be programmed to work. It is possible to pre-program certain keys for cars by the owner, but it is recommended to speak with a professional. This will avoid any damage to the computer system of the car and ensure that the key functions properly. How to Program a Key The majority of cars had basic key systems prior to the turn of 21st century. Keys were made from metal and incorporated grooves to correspond with the internal parts in the ignition cylinder. As technology improved, more and more automobile makers began to combine physical and electronic protocols to stop theft. These key systems are referred to as transponder keys or chip keys and they're designed to make it harder for thieves to start the vehicle. The key chips come with an unique serial number which transmits a signal to the receiver inside your car. The signal is compared to the car's computer when it is received. If the codes match the car will begin to start. If the codes don't match, your car won't even start. This is the reason you should keep a spare car key, especially if your system is based on transponders. If you're interested in learning how to program keys, you'll need certain equipment. You'll need an uncut key that matches your car model and make. You can purchase them from an auto locksmith or a locksmith dealership, but it's essential to purchase the correct keys. If you use a key from another model, it won't work. To begin the process, simply insert the new key into the ignition and switch it to the “on” position. You'll need to leave the key in this position for around 10 minutes and 30 seconds. Once the time has expired you can take out your key and see if the security indicator on your dashboard has gone out. If it didn't then you'll need to repeat the process for a third time. This method is only compatible with GM vehicles and isn't foolproof. If you're looking for a more secure and reliable method, you should visit an expert locksmith or dealer to have your car programmed with chip. These professionals are equipped with the tools and equipment needed to access the onboard diagnostics port in your car and make the change. Keyless Entry Systems Keyless entry systems give property access without requiring the use of a physical ID. Security is provided by a combination between sensors and an onboard computer. It is possible to monitor and control the system from any place within the property. Keys and locks are not required. The system can also identify and deactivate lost or stolen cards. The newest models also allow remote management and configuration as well as are cloud-based. Modern automobiles are equipped with keyless entry systems. The system works by sending radio signals which are picked up using a special keyfob. The signals are compared with the code stored in the computer of the car and if everything is well, the car will unlock. The car won't start when the signals aren't identical. There are several steps you can follow to program your new key fob if it isn't already programmed. The first step is to make sure that all doors are locked except for the driver's side. You'll also require the original key fob, and any other accessories you want to program. You can also visit your local auto parts shop because they might have the appropriate programming tool for your vehicle. If these steps don't work, you'll have to check the owner's manual, or a professional locksmith. Once you have the right tool, you can follow the manufacturer's instructions to begin reprogramming your key fob. The process is usually fast and simple. It is possible to be instructed to put the new key into the ignition when all doors are shut and then press the button on the keyfob within a specific time. The car might respond by turning off the door locks or emitting an audible sound as a sign that the key has been successfully programmed. Many locksmiths are equipped with special tools that let them bypass the built-in EEPROM security on the key fob of your car or remote. But this is an extremely risky option and could lead to the possibility of destroying the data stored on the computer in your car. This should be left to a professional, who can minimize the risk of data corruption and ensure that your keys are programmed correctly. Transponder Keys Transponder keys are also referred as chip key. They feature an embedded microchip inside the head of the keys. The antenna ring transmits electromagnetic energy to the transponder whenever the key is placed into the ignition lock barrel. The chip absorbs this energy and then transmits a radiofrequency signal that includes an identification code. The code is matched to the unique digital serial numbers in the computer system of the car. This stops any attempts by anyone else to start the car as only the right keys can be used. The technology is believed to be more secure than conventional car keys because it makes it much more difficult for thieves to “hot wire” an automobile and start it. It's not foolproof and thieves have found ways to evade detection and defeat the system. Therefore, even vehicles with a transponder keys aren't protected from theft. Depending on the brand and model of your vehicle, you may be in a position to program a brand new transponder key by yourself using a key programmer that's compatible with your particular car. The key programmer will come with an easy-to-follow guide to walk you through the process of programming your key. Once you have the key and key programmer, follow the steps carefully and ensure the security light on your dashboard is ON before turning your engine ON. You can seek out a professional locksmith to help you if you are not confident using the key programmer or you own a vehicle with more advanced features, like remote head keys or intelligent keys. They will have the tools and equipment needed to cut blank keys, erase the old one from the computer in the car, and then program the new key to function properly. This will save your time and money, and will keep your car's security system functioning as it should. Plus, it's a lot safer than trying to do it yourself! Using the wrong key programmers or following unofficial guidelines could corrupt the information in the car's system, resulting in the new key not functioning. Remotes You may need to reprogram your car keys if they're not working. This is an easy procedure for a lot of modern cars that use key fobs. However, car key programming are more complex and require programming with the aid of an additional device that's typically available from the auto locksmith or dealer. Fortunately, the majority of modern automobile manufacturers have improved their key systems to be more secure to prevent theft of vehicles. The key system is designed in a way to prevent hot-wiring, which is the act of using a key from an other vehicle to start the engine of your vehicle. As a result, you'll need to have at least two functioning key fobs for your vehicle in order to make the process work. It's essential to have at least two spare keys in your possession. Key fobs are equipped with electronic chips that communicate with the car's receiver using radio signals. The computer checks the code of the key with the database. If the codes are the same the car will be able to start. If the codes do not match then the car will not start or remain dead. Most of these electronic key can be programmed and replaced by a professional locksmith or dealer in the field with the right equipment. If you can locate a cheap car key programmer online or at an auto parts store, the procedure should be fairly straightforward. You'll have to follow a set of instructions that include inserting the ignition keys, turning it on without actually starting the vehicle, then switching off the key. You will need to repeat the steps a specified number of times over an exact time period to put your vehicle into programming mode. The door locks will be triggered or chime. Some modern vehicles are capable of programming using a device connected to the onboard diagnostic port or EEPROM programming. Unfortunately, most of these devices are very expensive, making them unaffordable for the majority of car owners. Many experts in the field recommend consulting with a professional auto dealership or locksmith to program your keys.