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How to Go About Programming a Car Key Car key programming is a crucial step in protecting your car from thieves. While certain manufacturers allow you to reprogram your own keys however, it's best to delegate this task to professional locksmiths. You will need to first purchase a blank car key that includes the correct chip for your vehicle. They are available at most hardware and auto parts stores. Keyless entry system The keyless entry system is an excellent option to keep your vehicle secure from theft. It works by emitting a signal that activates the receiver in your car when you insert your keys in the ignition. The receiver emits a signal to unlock your car's doors. The system is simple to use and easy to use. You can even set up multiple keys to work at the same time, which is a great feature for those who have cars shared with coworkers or family members. To program your new remote, ensure that the vehicle is off and that all doors are closed. Then, press the lock button on the first key fob, and wait for it to chime or turn its locks. Repeat this process to program each key fob. The procedure varies slightly depending on the car manufacturer, so it's best to consult your user manual for specific instructions. Certain car makers prohibit you from reprogramming your own fobs without having access to their equipment. Others, like Mercedes requires that you go to a dealership in order to get a key fob reprogrammed. This method is costly and requires the use of dealer-specific tools. If you're looking to save money, you could test a programer that is compatible with your car. Consult your owner's manual or an experienced locksmith for details about how to use the device and what steps to follow. If you follow these steps then the EEPROM programming procedure will be fairly easy for most auto brands. To program a new car key chip, you will require a blank key with the proper transponder. These are available at a variety of auto and hardware parts stores. You'll have to connect your ECU (electronic controller unit) to the blank key after you purchase it. The ECU can be found in the engine bay, beneath the dashboard or on the dashboard depending on the manufacturer. Some vehicles will need to have a security code set that you can obtain from the owner's manual of your vehicle or on the internet. Transponder chip The transponder chip is an incredibly small microchip with an unique code. Inserted into the ignition the transponder chip transmits a radio signal to the immobilizer system of the vehicle. The computer in the car then decodes the signal and determines whether or not it matches a genuine key. If the signal does not match the car's computer, it will shut off the ignition and prevent it from beginning. This makes it harder for thieves to steal vehicles. Modern cars are often equipped with this security gadget. As with any electronic device the transponder chip can fail or malfunction. This can be extremely frustrating as it means your car won't start. The good news is that there are a few things you can do to help solve the issue and get your vehicle back to running. One way to fix the issue is to replace the battery inside the transponder chip. This is a fairly simple process that will allow the engine for your vehicle to start. The more costly option is to replace the transponder chip. If you choose to do this it is important to choose an experienced locksmith who has experience in this area. You can buy a new key that has a transponder in any auto parts store, or even an auto dealer. You'll need to get the key programmed for your vehicle. It can be difficult to figure out a solution since each car manufacturer has their own anti-theft system. If you have a spare key that is already programmed to your car you might be able to use it to reprogram the lost one. This will ensure that only you are able to start your car and protect it from thieves. It is crucial to keep in mind that a vehicle that is equipped with a transponder won't start with the standard car keys. Only the original key can be used. Therefore, it is crucial to have at least two working keys on the go. EZ Installer The EZ Installer makes it simple for people to replace their keys for modern cars, while eliminating the hassle and cost of visiting a dealership. programming car key connects to the vehicle's standard OBD port and pairs with a new key or remote fob with the key that is already in use. It is compatible with most modern vehicles including those with proximity and push button start. The device can be bought from a website or the local hardware store. It also comes with a key blade which can be cut at a hardware store, locksmith or at the dealership. The kit comes with instructions and a prepaid return shipping label. It's compatible with majority of Ford and Lincoln models. However, it will not work on all models. Tom's website has the most current compatibility information for you if you're not sure if this works with your specific model. In contrast to traditional programming equipment, the EZ Installer Pro doesn't charge “tokens” per key, which makes it much easier for retailers and key professionals provide new keys. The EZ Installer Pro costs less than half the cost of a typical token cost. The EZ Installer, a simple plug-and-play OBD device allows you to connect an additional remote or key with your vehicle in a matter of minutes by using an app on your smartphone. programming car key for various models of vehicles and trucks as well as SUVs. Just download the app, connect the EZ Installer to your vehicle's OBD port and follow the step-bystep instructions. The EZ Installer will be linked to the vehicle VIN upon first use, so it cannot be used to program another vehicle. It comes with a full money back guarantee from Car Keys Express. EEPROM The EEPROM is the main chip that controls the car's electronics and security features. In contrast to older keys, with mechanical parts keys, modern car keys are entirely electronic and have to be programmed by an automotive locksmith or dealer. This involves inserting the spare key into the ignition and manipulating the key until the car enters programming mode. The reprogramming process is different for each manufacturer of cars. Therefore, it is important to consult the owner's manual for your specific model. Dealers can supply you with the software required to program some models. In these cases the best choice is to contact a locksmith, since they can supply you with the necessary tools and assist you in saving money. A professional will make sure that the new key has been properly programmed and that it functions as intended. To reprogram your new car key, you will require a spare key that works and a dremel tool and a few tools to access the electronic control unit (ECU). The ECU is usually located under the dashboard, but it is important to read the owner's manual to be sure. The process of reprogramming is simple. You must first open and close the driver door and not close the door on the driver side. Next, place the key in the ignition and turn it to the 'On' position without starting the engine. This step is required to be repeated a specific number of times in an extremely short time that is different for each vehicle. The car will go into programming mode after completing the procedure. This is usually signaled with an audible sound or the locks reversing. Once the ECU is in programming mode, it's important to hit the lock button on the newly programmed key fob. Then, you must quickly switch to the working key. You should not wait between each step or else the car will erase the other key fobs. Then, you'll need to start again. You can also reprogram car keys that was programmed by someone else but be patient and cautious.