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How to Program a Car Key Modern cars have more than a key to start the engine, they also have a remote that can lock and unlock doors. These key fobs need to be programmed to work properly. Some car keys can be preprogrammed by the owner himself, but it is recommended to consult a professional. This will avoid any damage to the computer system of the vehicle and ensure that the key works correctly. How to program the key The majority of cars had basic key systems up until the turn of the 21st century. Keys themselves were metal and had grooves that matched the internal parts of the ignition cylinder. As technology advanced, more and more automobile manufacturers began to combine electronic and physical protocols to avoid theft. Key systems, also known as transponder keys or chips keys are designed to make it more difficult for thieves to steal an automobile. The key chips contain a unique serial code that transmits a message to the receiver in your car. The signal is compared with the car's computer when it is received. If the codes are compatible, then your car will start. If not, it won't start at all. This is why you should keep an extra car key particularly if your system is based on transponders. If you want to learn how to program keys, you'll require certain equipment. You'll need a blank key that is compatible with the car's model and make. These can be purchased at a dealership or by locksmiths however, you must be sure they're the right ones. If you use a key for another model, it will not function. Start the process by inserting the new key in the ignition and turning it to “on”. It is necessary to leave the new key in this position for about 10 minutes and 30 seconds. Once the time has expired you can take off your key and check if the security indicator on your dashboard has gone off. If it didn't go out, you will need to repeat the process a third time. Keep in car key programing that this method will only work with GM vehicles however it isn't foolproof. If you're looking for a more secure and reliable solution, then you should visit a professional locksmith or the dealer to have your car programmed with a chip. These professionals have the tools and equipment needed to connect to the diagnostics port of your vehicle and make the switch. Keyless Entry Systems Keyless entry systems provide access to properties without the need for a physical credential. They make use of sensors in conjunction with an onboard computer to offer security. This lets you control the system and monitor activities from anywhere on the property, and removes the requirement for locks or keys. The system can also detect lost or stolen cards and deactivate them. The latest models also support remote management and configuration, and are cloud-based. Most modern cars come equipped with a keyless entry system. To accomplish this the car emits radio signals which are picked up by a specific key fob. The signals are then compared with the correct code that is stored in the car's system, and if everything is in order, the car will unlock. The car will not start if the signals are not identical. There are a variety of ways to program your new key fob if it's not already programmed. You'll first need to be sure that all doors excluding the driver's door are locked. You'll also need the original key fob, and any other accessories you want to program. You can also visit your local auto parts shop to see if they've got the appropriate tool for your vehicle. If these steps don't work, you'll need to consult your owner's manual, or an expert locksmith. Once you have the correct tool, you can begin the process of reprogramming your key fob following the instructions of the manufacturer. The process is usually simple and quick. For instance, you may be asked to insert your new key into the ignition with the doors shut, and then press the button on the key fob within a brief time period. The car may then respond by turning off the door locks or emitting a sound to indicate that the key was successfully programmed. Many locksmiths use special tools to get around the EEPROM security built into the remote of your car or key fob. However it's an extremely risky option and could lead to the possibility of corrupting the data on your car's computer. It's best to have a professional handle this because they will be able to reduce the risk of data corruption and make sure that your keys are programmed correctly. Transponder Keys Transponder keys, also referred to as chip keys, have an embedded microchip in the head of the key. When the key is inserted into the ignition lock barrel and then turned into the ON position, the antenna ring sends an energy burst through the transponder chip. This energy is absorbed into the chip and it transmits the radio frequency signal, which includes an identification code that is matched with the unique serial number in the car's computer system. This prevents any attempts by anyone else to start the car, as only right keys can be used. It is believed that this technology will be more secure than traditional car keys because it makes it much harder for a thief to “hot wire” the vehicle and start it. But it's not foolproof and thieves have discovered ways to deceive and defy the system – so that even cars with transponder keys are not protected from theft. Depending on the brand and model of your car depending on the make and model of your car, you might be in a position to program a brand new transponder by yourself with a key programer that is compatible with your specific car. The key programmer should include an easy-to-follow guide to guide you through the process of programming your key. Follow the directions and turn on the security light in your dashboard prior to starting your engine. You can seek out a professional locksmith to help you if you are not sure about using a key programmer or if you own a vehicle with more advanced features, such as remote head keys or intelligent keys. They'll have the tools and equipment necessary to cut an uncut key, erase the old one from the computer in the car, and program the new key to work correctly. This will save you time and money, and will ensure that your car's security system working exactly as it should. Plus, it's a lot safer than attempting to do it yourself! Utilizing the wrong key programming software or following unofficial instructions could cause a problem with the information stored in your car's system, and result in the new key not working. Remotes You may have to reprogramme your car keys if they're not working. It's a simple procedure for most modern vehicles that have key fobs. However, certain models are more complex and require programming using an additional device that's typically available from the auto locksmith or dealer. Fortunately, the majority of modern automobile manufacturers have made their key systems more secure in order to prevent theft of vehicles. The key system was designed to stop hot-wiring (the practice of using another vehicle's key to start the engine) and other similar methods. Therefore, you'll need at minimum two working key fobs for your vehicle to be able to use the system. This is one of the reasons why it's a good idea to always have at least one spare key in your possession. The key fobs have electronic chips that communicate via radio signals with the car's receiver. The computer in the car then compares the key's code with the one in its database. If the codes match the car starts. If not, the car will remain dead or refuse to start. Luckily, most of these electronic keys can be programmed and replaced by an experienced locksmith or auto dealer equipped with the proper equipment. If you're able to find a low-cost car key programer on the internet or at an auto parts store, the process will be relatively simple. You will need to follow a set of steps that includes inserting the ignition keys, turning it on without actually starting the car, and then shutting off the key. You'll have to repeat the steps a certain number of times within a specified time frame to put your vehicle in programming mode. This is indicated by the door locks turning or a chime that sounds audible. Certain cars of the present can only be programmed with the help of a device that is connected to the diagnostics port on the car's motherboard or an EEPROM programming process. Unfortunately, the majority of these devices are very expensive, making them unaffordable for the majority of car owners. Many experts in the field recommend consulting with an experienced auto dealer or locksmith to program your keys.