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Saab Key ProgrammingSaab cars built since about 1994 have an immobilizer system made up of coded keys. A new transponder is required to allow the addition of an extra key, as well as special programming. This is usually handled by the dealer using a Tech2 diagnostic tool.The issue is that it can be very expensive. You should always keep an extra set of keys available.Transponder keyThe transponder keys are keys with an electronic chip that sends a signal back to the car when it is inserted into ignition. The car then analyzes the signal to see whether it is identical to the one on the key. If the signals are in sync then the car will be able to unlock and begin. This is a great method to deter auto theft and keep your vehicle safe from thieves.Transponder keys could be an extremely popular accessory for cars, but they're not as secure as traditional metal keys. The metal component of a traditional key can be easily cut and copied, however transponders have an electronic chip that safeguards it. The chip has a unique code which is programmed into the car's computer in order to identify it.The car will recognize the Saab keyfob, and allow it to turn on. But, it's only able to do this if your key fob has a non-modified chip that has been programmed to match it. The car will not start in the event that the key is not programmed to match.It's essential to ensure that you have a spare key for your Saab. This is especially true when you live in a rural region where there are numerous car thieves. You can get a brand new key for your Saab by visiting the dealership without paying their pricey cost. In most cases, you can have a new key created on-the-spot for less than half the cost of what you'd pay at a dealer.Wired keySaab cars are usually delivered with two keys. If you have only one, it is recommended to get an additional key as quickly as you can. This is because if the key is lost the car will require a new CIM and the locking cylinders replaced. This could be expensive, especially if you are purchasing a used vehicle.The next step is to wire the wires of the column and row to the microcontroller. This is the toughest aspect of the project and will require a lot of soldering. There's no standard way to accomplish this, however it's important to plan out the routes you'll use to solder the rows and columns. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller pins and wires to connect.After the columns and rows are joined, it is time to connect the key switches. To do this, you need to place a diode over each pin of the key switch and solder it. This will protect the key switch pins from current and keep them from being shorted. A diode can only allow current to flow in one direction, and it also has a a black band visual indicator that indicates the direction in which current will flow.Sanabria states that a number of the tools available in auto parts stores, like the Autel MaxiIM IM608PRO and the IM508 are able to assist customers shopping or DIY users to program replacement keys and restore the immobilizer's data. The tools connect to the OBD port and automatically guide the customer through the procedure, making it simpler than replacing the computer inside the vehicle.Jump starting the batteryA lot of people keep the set in their trunk to jump-start a vehicle in the event of an emergency, but this might not be a good idea for cars with more modern technology. These cars have a variety of electronic devices and computers that communicate with one another. A surge in voltage when batteries are connected to another can fry the components making your car inoperable.Start the vehicle you are using and let it run for about two minutes before you connect the cables to the disabled one. 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 damaged car. The engine block is an excellent option. The black cable is not to be connected to the negative terminal of the dead battery. saab key replacement near me could trigger sparks, which would ignite gasoline in the engine compartment.Once the cables are connected, start the vehicle you are not using and allow it to run for around five minutes before disconnecting them in reverse order. Remember that the battery on your Saab 9-3 is recharged when you drive, so it will take a while for the battery to come back to normal. It's a good idea to purchase a spare key fob as soon as you can, since replacing the only working one requires the installation of a new computer module and a special program to convince it that the lost keys aren't in the process of trying to steal the car.Replacement caseMany Saab owners only have one key for their vehicle and if they lose it, they'll be charged. It's expensive to purchase the key and also requires replacing the CIM or TWICE in the case of older models. It's recommended to have a spare key in case of theft or other disaster and the most effective way is to purchase an additional key as soon as you can. Even even if the key is "new" it will not function.Most locksmiths can't help you with a single working key and the dealer will charge you top dollar to replace the computer in your vehicle for a replacement. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a new key without having to replace the entire system. That can save you a lot of money. It's also less expensive than waiting until you lose the only key.