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How to Program a Car Key Modern cars come with more than just a key that starts the engine. They also have a remote control which can be used to lock or unlock doors. These key fobs have to be programmed to work. It is possible to pre-program certain car keys by the owner, but it is recommended to speak with an expert. This will protect against any possible damage to the computer system and also ensure that the new key works correctly. How to program the key Up until the turn of the 21st century the majority of cars utilized basic key systems. Keys were made of metal and featured grooves that correspond to the internal parts of the ignition cylinder. However, as time progressed and technology advanced as it did, automobile manufacturers began to combine electronic and physical protocols to protect against theft. These key systems are also referred to as transponder keys or chips keys are designed to make it more difficult for thieves to start an automobile. The key chips come with a unique serial code which transmits a signal to the receiver inside your car. When the signal is received it is compared to the code that is stored in the car's computer. If the codes match, then the car will start. If not, it won't start at all. This is the reason you should keep a spare car key, particularly if your system is transponder-based. If you want to learn how to program keys, you'll need certain equipment. You'll need to buy an uncut key that matches the model and make of your car. These can be purchased at the dealership or through locksmiths but you must make sure that they are the correct ones. If you use a key from another model, it won't function. Begin by putting the new key in the ignition and turning it to “on”. It is necessary to keep the key in this position for about 10 minutes and 30 seconds. After the time is up you can take out your key and see if the security indicator on your dashboard has gone out. If it didn't, you'll need to repeat the process for the third time. This method is only compatible with GM vehicles, and isn't 100% secure. If you're looking for a safer and reliable solution, then you should visit an expert locksmith or dealer to have your car programmed with chips. These professionals are equipped with the tools and equipment required to access the onboard diagnostic port on your car and perform the switch. Keyless Entry Systems Keyless entry systems allow property access without requiring a physical credential. Security is provided by the combination of sensors and an onboard computer. This lets you control the system and monitor activity from anywhere on your property, and removes the need for locks or keys. 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 cars come with keyless entry systems. To enable this feature, the vehicle emits radio signals that are detected by a specific key fob. The signals are then compared to the code stored in the computer of the car and, if all is well the car will start to unlock. The car will not start when the signals aren't identical. If your key fob has not been already programmed, you may follow several steps to programme it. You'll first need to be sure that all doors except the driver's door are locked. Also, you'll need the original key fob, as well as any extras you want to program. You may also visit your local auto parts store to determine if they carry the appropriate tool for your vehicle. If these steps don't work, you'll have to consult your owner's manual, or an expert locksmith. Once you have the correct tool Once you have the correct tool, you can begin changing the programming of your key fob by following the instructions provided by the manufacturer. This process is often relatively simple and quick. For instance, you could be asked to insert your new key into the ignition with the doors shut, and then press an appropriate button on the fob within a brief time frame. The car may then respond by cycling the door locks or emitting a sound to indicate that the key has been successfully programmed. Many locksmiths use special tools to bypass the EEPROM security features that are built into the remote of your car or key fob. However this is an extremely risky procedure and comes with the possibility of destroying the data on your car's computer. It is recommended to have an expert handle this task, as they will be able to reduce the chance of data corruption and also ensure your keys are properly programmed. Transponder Keys Transponder keys are also referred to as chip key. They have an embedded microchip in the head of keys. When the key is placed in the ignition lock barrel and then turned into the ON position the antenna ring transmits an electromagnetic energy blast through the transponder chip. This energy is absorbed by the chip and it transmits a radio frequency signal with an identification code that matches with the unique serial number that is stored in the car's computer system. This will prevent any unauthorized attempts to start the car since only the right key can start the car. The technology is believed to be more secure than traditional 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 of tricking and defeating the system. So even cars with transponder keys aren't protected from theft. You may be able program a transponder key yourself with an instrument that works with your car. The key programmer should include a step-by-step guide that will walk you through the procedure of programming your key. Follow the directions and switch on the security lights on your dashboard before you start your engine. If you're uncomfortable the use of a key programmer, or if your car includes more advanced features such as remote head keys or smart keys, you can go to a professional locksmith assistance. They'll have the appropriate tools and equipment to cut the blank key, remove your old one from the car's computer, and then program the new one so that it functions properly. This will save you money and time, and keep your car's safety system working as it should. Additionally, it's much safer than making it yourself. If you choose the wrong key programmer or follow unofficial guides or instructions, the information stored in your car's computer could be corrupted and the new key will not work. Remotes If your car keys aren't working you may need to reprogram them. It's an easy process for most modern cars which use keyfobs. However, certain models are more complicated and need to be programmed using an instrument that is available from a auto locksmith or dealer. Fortunately, the majority of modern automobile manufacturers have made their key systems more secure in order to decrease the risk of theft from vehicles. The key system is designed to prevent hot-wiring, which is using a key from a different vehicle to start the engine of your vehicle. To ensure that this method works you'll require at least two key fobs functioning for your vehicle. It is 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 via radio signals. The car's computer then compares the code on the key to the one stored in its database. If the codes match the car starts. If the codes do not match, the car will not start or will remain dead. The majority of these electronic keys can be programmed and replaced by an expert locksmith or auto dealer with the proper equipment. If you're able to find an inexpensive car key programmer on the internet or in an auto parts store, the procedure will be relatively simple. You'll have to follow a set-up that include inserting the ignition key, turning it on without starting the vehicle, then switching off the key. You'll need repeat the steps a specified number of times within a specified time frame to put your vehicle in programming mode. The door locks will cycle or chime. Certain modern vehicles are only capable of being programmed using a tool that is connected to the onboard diagnosis port or EEPROM programming. The majority of these tools are costly and therefore unaffordable by most car owners. So, G28CarKeys suggest to consult an experienced auto dealer or locksmith for key programing services.