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How to Program a Car Key Modern cars come with more than just a key which can start the engine They also have a remote control which can be used to lock or open doors These key fobs have to be programmed to function Certain keys for cars can be programmed by the owner themselves but it is recommended to consult an expert This will avoid any damage to the computer system of the car and will ensure that the key is working properly How do you program a key Most cars had basic key systems prior to the turn of the 21st century The keys themselves were metal with grooves that corresponded to the internal components of the ignition cylinder As technology advanced more and more automobile makers began to mix electronic and physical protocols to stop theft These key systems are called transponder keys or chip keys and theyre designed to make it more difficult for thieves to get into the vehicle The key chips contain an unique serial number that sends a message to the receiver in your car When the signal is received it is compared to the code that is stored in the cars computer If the codes are identical then your car will begin If not it wont start at all This is one of the main reasons to keep a spare key in your car especially when you use transponderbased systems Youll require specialized equipment to learn to program keys Youll need an uncut key that matches the cars model and make They can be bought at a dealership or by a locksmith however you must be sure that they are the right ones If programming car key try to use a key that is from an alternative model it will not work Begin by putting the new key in the ignition and turning it to on Youll need to leave the key in this position for approximately 10 minutes and 30 seconds After the time has passed you can remove your key and check if the security indicator on your dashboard has gone off If it didnt youll need repeat the process another time Remember that this method can only work with GM vehicles and its still not completely secure If youre looking for a more secure and reliable solution then you should consult an expert locksmith or dealer to get your vehicle programmed with chip These professionals have the necessary tools and equipment needed to access the onboard diagnostic port of your car and make the switch Keyless Entry Systems Keyless entry systems allow property access without the need for a physical credential Security is offered by a combination between sensors and an onboard computer It is possible to monitor and control the system from anywhere in the property Keys and locks are not required The system can also identify and disable stolen or lost cards Additionally the most recent models are cloudbased allowing for remote management and configuration Modern cars come with keyless entry systems To make this work the vehicle emits radio signals that are detected by a special key fob These signals are then compared to the correct code stored in the cars computer and if everything is in order the car will start to unlock The car wont start when the signals arent the same If your key fob has not been already programmed it is possible to follow a series of steps to program it First youll need ensure all the doors are locked except for the drivers side Youll also require the original key fob and any other accessories you want to program You can also check your local auto parts store to see if theyve got the appropriate tool for your car If these steps dont work youll have to consult the owners manual or a professional locksmith Once youve got the proper tool follow the manufacturers instructions to begin reprogramming your key fob This procedure is usually quick and simple For instance you could be asked to insert your new key into the ignition with the doors shut and then press a button on the key fob within a short time period The car might respond by turning off the doors or emitting an audible sound as a sign that the key was successfully programmed Many locksmiths are equipped with special tools that allow them to bypass the builtin EEPROM security on your cars key fob or remote This is a dangerous method and could cause data corruption stored in the cars computer This is best left to a professional who can reduce the risk of data corrupting and ensure that your keys are programmed correctly Transponder Keys Transponder keys are also referred to as chip key They feature an embedded microchip inside the head of the keys The antenna ring transmits electromagnetic energy to the transponder when the key is put into the ignition lock barrel The chip absorbs the energy and then transmits a radiofrequency signal which contains an identification number This code is in line with the unique serial numbers of the computer of the car This will prevent any unauthorized attempts to start the car as only the correct key will be able to do so It is believed that this technology will be more secure than traditional car keys because it makes it harder for a thief to hot wire the vehicle and start it Its not foolproof and thieves have discovered ways to trick and defeat the system Therefore even automotive key programming near me with a transponder keys arent immune to theft You could be able to program a transponder key by yourself with a key programmer compatible with your vehicle The key programmer will come with a user guide that walks you stepbystep through the procedure Follow the steps and switch on the security light in your dashboard prior to beginning your engine If youre not comfortable with programming keys or if your car has more advanced features like remote head keys or smart keys you can go to a professional locksmith help Theyll have the tools and equipment required to cut a blank key delete the old one from the computer in the car and program the new key to function correctly This will help you save money and time and will keep your cars safety system operating as it should Plus its a lot safer than trying to do it yourself Using the wrong key programmers or following unofficial instructions could corrupt the information in the cars system and result in the key not functioning Remotes If your car keys arent working you might need to reprogram them This is a simple procedure for a lot of modern vehicles that have key fobs However some models are more complex and need to be programmed with the help of an additional device thats typically available from the dealer or auto locksmiths Fortunately many modern car manufacturers have made their key systems more secure to decrease the risk of theft from vehicles The key system was designed to prevent hotwiring which is the practice of using a key from an other vehicle to start the engine of your vehicle To ensure that this method works youll require at minimum two key fobs functioning for your vehicle Its essential to have at minimum two spare keys in your possession The key fobs contain electronic chips that transmit radio signals with the cars receiver The computer in the car then compares the keys code to the one stored in its database If the codes match the car will begin If the codes dont match then the car will not start or remain dead The majority of these electronic keys can be programmed and replaced by an experienced locksmith or auto dealer using the right equipment If you can find a lowcost car key programer on the internet or in an auto parts store the process will be relatively simple Youll have to follow a set of steps which include inserting the ignition key and turning it on without starting the vehicle then switching off the key Youll need to repeat this process a certain number of times within a specific time period for your vehicle to enter programming mode The door locks will be triggered or a chime will sound Some modern cars are only programmable with a tool connected to the onboard diagnosis port or EEPROM programming Unfortunately most of these devices are very expensive which makes them unaffordable for the majority of car owners Many experts in the field recommend consulting an experienced auto dealer or locksmith to program your keys