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Five Things Everyone Makes Up Regarding Saab Ignition Key Replacement Saab Key Programming Saab cars built since 1994 feature an immobilizer system based on a set of keys. In order to add a second key, it requires the purchase of a new transponder as well as special programming. This is usually handled by the dealer using the Tech2 diagnostic tool. The issue is that this could be very costly. This is why you should always have a spare key at hand. Transponder key The transponder is a key with an electronic chip. This chip sends a signal when the key is put in the ignition. The car is able to check whether the signal is the same as the one on the key. If saab ignition key are in sync, the car will unlock and start. This is a great method to avoid car theft and keep your car secure from thieves. Transponder keys are an extremely popular accessory for automobiles, but they are not as secure as traditional keys made of metal. While the metal portion of a traditional key could be cut and copied however, a transponder is secured by an electronic chip. This chip contains an unique code that is programmed into a car's computers in order to identify it. When a Saab key fob is used the car recognizes it and allows it to turn on. The car can only recognize the key fob if it has an unmodified chip and has been programmed to match. In the absence of that, the car will reject the key and won't start. It is crucial to have an extra Saab key. This is particularly important for those who live in a rural area that is home to numerous car thieves. The good news is that it's possible to find a replacement key to your Saab without needing to visit a dealership and pay the high costs that they charge. In the majority of cases, you can have a new key made on-the-spot for less than half the cost of what you'd pay at an auto dealer. Key for Wired Saab cars are usually delivered with two keys. If you only own one, you should get an additional key as soon as you can. This is because if the key is lost and the car is damaged, it will require an entirely new CIM and the locking cylinders replaced. This could be expensive particularly if you are purchasing a used vehicle. The next step is connecting the row and columns wires to your microcontroller. This is the most difficult part of the project and will require a good amount of soldering. It's not a standard way to go about it, but you must plan how to route and connect each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It includes 5 rows and 17 column. After the columns and rows are soldered, it's time to connect them to the key switches. To do this, put an inverter over each key switch pin and then solder it. This will protect the pins from current and prevent them from getting shorted. A diode allows current to flow in one direction, and it also has a the black band as a visual indicator that indicates which way the current will flow. Some of the tools available at auto parts stores- such as the Autel MaxiIM IM608 Pro and IM508 -- could aid shop customers or DIY users 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 user through the process, making it more simple than replacing the computer inside the vehicle. Jumpstarting the battery The majority of people have a set of jumper cables in their trunk for emergencies, but jumping a battery for newer automobiles might not be the most efficient option. These cars have a variety of digital and electronic devices that communicate with one another. A voltage surge while the battery is connected to another can fry these components and render your car unable to drive. Connect the cables to the vehicle working. Let it run for two minutes. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface underneath the car's hood--the engine block is a good option. Don't connect the black cable to the negative terminal of the dead battery because this could cause a spark that ignites the gasoline in the engine bay. After the cables have been connected, you can start the car and let it run about five minutes. Then disconnect them in reverse. The battery in the Saab 9-3 will charge while you drive. It will take a while for it to fall back. You should consider purchasing an additional key fob as soon as you can. Replacing the one that works requires the installation and programming of a new computer chip. Replacement case Many Saab owners only have one key for their vehicle and if they lose it, the cost will be. The reason for this is that it's costly to add a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, in addition to programming. It's best to have a backup key in the event of theft or other disaster, and the best way is to buy an extra key as soon as you can. Don't purchase a used key, even when it's "new." Keys that are claimed as new from sellers selling aftermarket keys won't work and are likely to fail in the most critical moment. Most locksmiths can't help you with a single working key and the dealer will charge high fees to replace the computer in your vehicle to make a replacement. We can, however, reset and re-program your computer's EEPROM to prepare it to accept an alternative key without replacing the whole system. This can help you save money. It's also less expensive than waiting until you lose your only key.