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How to Program a Car Key Modern cars have more than a key that will start the engine. They also come with a remote control which can be used to lock or open doors. These key fobs have to be programmed in order to work. It is possible to program some car keys 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 correctly. How to program the key The majority of cars had basic keys systems up until the turn of the 21st century. The keys were made of metal and incorporated grooves to correspond with the internal parts in the ignition cylinder. As time went on and technology improved and improved, automobile manufacturers began blending physical and electronic protocols to stop theft. These key systems, also known as transponder keys or chips keys, are designed to make it more difficult for thieves to steal the vehicle. The key chips contain unique serial codes that sends a message 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, your car will begin to start. If not, it won't start at all. This is why you should keep an extra car key especially if the system is based on transponders. If you're looking to learn how to program keys, you'll require some specific equipment. You'll also require a blank key for your particular model and make. You can purchase them from the locksmith shop or at a car dealership, but it's important to buy the right one. If you use a key that is for another model, it will not function. Begin by putting the new key into the ignition and turning it to “on”. You'll need to keep the key in this position for about 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 off. If not then you'll need to do it again for a third time. Keep in mind that this method can only work with GM vehicles however it isn't 100% secure. If you're looking for a secure and reliable option, you can visit a locksmith or dealer to get your car programmed using an embedded chip. They have the tools and equipment required to access the onboard diagnostics port of your car and perform the necessary changes. Keyless Entry Systems Keyless entry systems permit property access without the need for a physical ID. They use sensors in combination with an onboard computer for security. This lets you manage the system and monitor activities from anywhere within the property, and eliminates the requirement for keys or locks. The system is also able to detect and block stolen or lost cards. The newest models also allow remote management and configuration and are cloud-based. Modern automobiles are equipped with keyless entry systems. To make this work it emits radio signals that are detected by a particular key fob. The signals are compared to the code that is stored in the computer of the car and if everything is well, the car will unlock. The car won't start in the event that the signals are not identical. There are a variety of steps you can follow to program your new key fob if it's not already programmed. First, you'll need to make sure that all doors except the driver's door are locked. You'll need to have the original key fob along with any other devices you wish to program. You can also check your local auto parts store to see if they've got the right tool for your car. If these steps don't work, you will have to consult your owner's manual or an expert locksmith. Once you have the right tool, you can follow the instructions of the manufacturer to begin changing the program of your key fob. The process is usually quick and easy. For example, you might be directed to insert your new key into the ignition while keeping all doors shut and then press a button on the key fob within a short time frame. The car could then respond by turning off the door locks or generating a chime to indicate that the key has been successfully programmed. Many locksmiths have special tools that let them bypass the built-in EEPROM security of your car's key fob or remote. This is a dangerous method and can corrupt the data in your car's computer. This is best left to a professional, who can reduce the risk of data corruption and make sure that your keys are correctly programmed. Transponder Keys Transponder keys are also referred to as chip key. They have a microchip embedded in the head of keys. When the key is inserted into the ignition lock barrel and then turned to ON, the antenna ring sends an electromagnetic energy blast through the transponder chip. This energy is absorbed into the chip and it transmits an audio frequency signal that contains an identification code that matches with the unique digital serial number that is stored in the car's computer system. This prevents any attempts by anyone else to start the car as only the proper keys will be able to do so. This technology is believed to be more secure than conventional car keys because it makes it difficult for thieves to “hot wire” a vehicle and start it. It's not foolproof and thieves have found ways to trick and defeat the system. So even cars equipped with transponder key are not safe from theft. Depending on the brand and model of your car, you may be able to program a new transponder key yourself by using a key programming device that's compatible with your particular car. The key programmer should come with a step-by-step guide that will guide you through the process of programming your key. Once you have your key and key programmer, follow the directions carefully and ensure the security light on your dashboard is turned ON before turning your engine ON. If you're not comfortable the use of a key programmer, or if your car comes with more advanced features, such as remote head keys or smart keys, you can go to a professional locksmith help. They will have the tools and equipment needed to cut blank keys, erase the old key from the computer of the car, and then program the new key to work correctly. This will save you time and money and will keep your car's safety system functioning as it should. Plus, it's a lot safer than trying to do it yourself! Utilizing the wrong key programming software or following unofficial guidelines could corrupt the information in the vehicle's system and result in the key not working. Remotes If your car keys don't work you may need to reprogram them. This is a simple process for many modern cars that use key fobs. However, certain models are more complicated and require programming using an instrument that is available from the dealer or auto locksmiths. To decrease the risk of theft from vehicles Modern car makers have increased the security of their key systems. The key system is designed to prevent hot-wiring (the method of using the key of another vehicle to start the engine) and other similar methods. As a result, you'll require at least two functioning key fobs for your vehicle to be able to use the system. This is one of the main reasons why it's recommended to have at least one spare key in your possession. The key fobs have electronic chips that communicate with the car's receiver via radio signals. The car's computer then compares this code on the key to the one stored in its database. If the codes match the car will begin. If the codes don't match, the car will not start or will remain dead. Most electronic keys can be programmed and replaced by a professional locksmith or auto dealer with the right equipment. If you can locate an inexpensive car key programmer on the internet or in an auto parts store, the process is fairly simple. You'll need to follow a set-up that includes inserting the ignition key and turning it on, without starting the car, and then turning off the key. You'll have to repeat this procedure a specific number of times within a specified time period for your vehicle to enter programming mode. This will be evident by the door locks chiming or a chime that sounds audible. Some modern cars can only be programmed by means of a device that is connected to the diagnostics port on the car's motherboard or an EEPROM programming procedure. These tools are very expensive and therefore are not accessible to the majority of car owners. key programmers near me of car experts recommend consulting with a reputable auto dealership or locksmith to program your keys.