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Saab Key Programming Saab cars built since about 1994 feature an immobilizer mechanism based on coded keys. To add an additional key, you need an entirely new transponder and programming. This is usually done at the dealer, using a specially-designed Tech2 diagnostic tool. This can be expensive. You should always keep an extra set of keys at hand. Transponder key The transponder keys are keys equipped with an electronic chip. It sends a signal back to the car when it is put into the ignition. The car will check to see whether the signal matches the one on the key. If the signals match, the car will unlock itself and begin. This is a great method to deter car theft and keep your vehicle secure from thieves. Transponder keys could be an increasingly popular feature for cars, but they're not as safe as traditional metal keys. While saab key programming near me of a conventional key can be cut and copied however, a transponder is secured by an electronic chip. The chip has a unique code that is inserted into a car's computer order to identify it. The car will recognize the Saab keyfob and allow it to be turned on. The car can only recognize the key fob when it has an unmodified chip and programmed to match. Otherwise, the car would refuse to accept the key and will not start. It is important to have an extra Saab key. This is especially important for those who live in a rural area, where there are a lot of car burglars. The good part is that you can get a replacement key for your Saab without having to go to an auto dealer and pay the high prices they ask. You can get a replacement key made on the spot for less than half of what you would spend at the dealership. Wired key Saab cars typically come with two keys when they're new. If you have only one, you should get an additional key as quickly as you can. This is because if it's lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This could be expensive, especially if you are buying a second-hand car. The next step is to connect the wires for the column and row to the microcontroller. This is the most difficult aspect of the project and will require lots of soldering. There's no standard way to go about it, but you should consider how you will route and solder each column and row. For this keyboard, there are 5 rows and 17 columns, which means there will be 22 microcontroller pins and wires to connect. Once the rows and columns are soldered, it's time to connect them to key switches. Solder a diode on each key switch pin. This will protect the key switch pins from current and prevent them from being shorted. A diode allows current to flow in one direction, and has a the black band as a visual indicator that shows the direction in which current will flow. A few of the tools that are available at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 — could assist customers at the shop or DIY customers in some cases replace keys in the program and restore lost immobilizer data Sanabria says. The tools plug into the OBD port and automatically guide the customer through the procedure, making it much easier than replacing the computer inside the vehicle. Jumpstarting the battery A lot of people keep an assortment of tools in their trunks to jump start a car in case of emergency, but it might not be the best idea for newer cars. These vehicles are equipped with numerous digital and computer systems that communicate with one another. A surge in voltage when a battery is connected to another battery could damage the components making your car unusable. Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip to the positive terminal of the good battery (it will have “POS” or “+” on it). Attach the other end to a clean and unpainted metal surface beneath the hood of the affected car. The engine block is a great option. The black cable should not be connected to the negative terminal of the dead battery. This could cause sparks, which would ignite the gasoline inside the engine compartment. Once the cables are connected, you should start the vehicle and allow it to run for around five minutes. Then, disconnect the cables in reverse. The battery in the Saab 9-3 will charge while you drive. It may take a while it to return to its original state. It is recommended to purchase another key fob as soon as possible. Replacing the one that works requires the installation and programming of a brand new computer chip. Replacement Case Saab owners usually have only one car key, and if that is lost, they will be charged. It's costly to add a key and requires replacing the CIM or TWICE in the case of older models. In the event of theft, or other catastrophe it is advisable to have a spare key. Even it's “new” it won't work. The dealer will charge you the most expensive dollars if you only have one working key. We can, however, reset and re-program your computer's EEPROM to accept the new key, without replacing the entire system. This can help you save a significant amount of money. It's also a lot cheaper than waiting until you lose your one key.