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Saab Key Programming Saab cars made since 1994 utilize an immobilizer system that is based on a set of keys. The addition of a key requires a new transponder, as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool. It can be costly. It is always advisable to keep a spare set of keys available. Transponder key The transponder keys are keys equipped with an electronic chip. It sends a signal to the car when it is inserted into ignition. The car will then check the signal to determine whether it is the same as the one on the key. If the signals are the same it will open itself and start. This is a great way to avoid auto theft and keep your vehicle safe from thieves. Transponder keys are a common feature in vehicles, but it is important to know that they aren't as secure as traditional keys made of metal. While the metal parts of a traditional key could be cut and copied however, a transponder is secured by an electronic chip. The chip is equipped with an unique code that is programmed into the car's computer to identify it. When a Saab key fob is used the car recognizes it and allows it to turn on. The car will only recognize the key fob if it is equipped with a chip that is unmodified and has been programmed to match. The car will not start in the event that the key has not been programmed to match. It is crucial to have a spare Saab key. This is particularly important especially if you reside in a rural region where there are numerous car thieves. You can get a brand new key for your Saab by going to the dealership, without having to pay their expensive cost. You can get an original key made on the spot for less than half the price you'd pay at dealerships. Wired key Saab cars usually come with two keys when new. If you have only one, it is recommended to get an additional key as fast as you can. This is because if the key is lost and the car needs a new CIM and the locking cylinders replaced. This can be expensive particularly for used cars. The next step is connecting the wires for columns and row to your microcontroller. This is the toughest part of the project and it will require lots of soldering. There's no standard way to accomplish this, however it is crucial to plan the route you'll take and solder the rows and columns. For this keyboard, there are five rows and 17 columns, so there will be 22 microcontroller wires and pins that you need to connect. Once the rows and columns are soldered, it's time to connect them to key switches. To do this you must place an inverter over each pin of the key switch and then solder it. This will protect the pins from current, preventing them from being shortened. A diode only allows the flow of current to be in one direction, and it comes with a the black band as a visual indicator that indicates the direction in which current will flow. Some of the tools offered at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 — could aid shop customers or DIY customers in some cases replace keys in the program and restore the lost immobilizer's data, Sanabria says. The tools plug into the OBD port and automatically guide the customer through the procedure, making it simpler than replacing the computer inside the vehicle. Jumpstarting the battery A lot of people keep a set in their trunks to jump-start their car in case of emergency, but it may not be a good idea for newer cars. These cars have a variety of digital and electronic devices that communicate with each other. A surge in voltage when a battery is hooked up to another one could damage these components and render your vehicle undriveable. Connect the cables to the vehicle that is operating. Allow it to run for two minutes. Attach saab 93 key The Keylab to the positive terminal of the battery that is good. (It will read “POS” or “+”.) Attach the other end to a clear, unpainted metal surface underneath the hood of the damaged car. The engine block is a great alternative. The black cable is not to 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 can start the vehicle that is disabled and let it run for approximately five minutes before you disconnect them in reverse order. The battery in the Saab 9-3 will charge as you drive. It may take a while it to drop back down. It's a good idea to invest in a spare key fob as soon as you can, since replacing the sole working one requires the installation of a new computer module and special programming to convince it that your lost keys aren't in the process of trying to steal the car. Replacement case Many Saab owners have only one key for their vehicle and if they lose that the cost will be. The reason is that it's costly to purchase a new key, and this involves replacing the CIM (Column Integration Module) or TWICE on older models, plus programming. In the event of theft or any other disaster, it is best to have a spare key. Don't purchase a used key even it's “new.” Claimed-new keys from sellers selling aftermarket keys won't work and are likely to fail in the most critical moment. The dealer will charge you the highest dollar for only one working key. We can, however, reset and re-program the computer's EEPROM to accept the new key without having to replace the whole system. This can save you a lot of money. It's also a lot cheaper than waiting until you lose your one key.