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Saab Key Programming Saab cars built since about 1994 feature an immobilizer mechanism built on coded keys. saab replacement keys is required in order to enable the addition of a second key, as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool. It can be costly. It is recommended to always have a spare set of keys at hand. Transponder key The transponder key comes equipped with an electronic chip. It sends a signal back to the car when it is inserted into the ignition. The car is able to check whether the signal matches with the one on the key. If the signals match, the car will unlock itself and start. This is a great way to safeguard your car from theft. Transponder keys are an increasingly popular feature in automobiles, however it is important to know that they are not as secure as traditional keys made of metal. While the metal parts of a traditional key may be cut and copied the transponder is protected by an electronic chip. This chip contains a 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. However, it will only do this if the key fob is unmodified and has a chip that has been programmed to match it. The car won't start in the event that the key has not been programmed to match. It's crucial 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 a lot of car burglars. You can purchase a new key for your Saab by going to the dealership without paying high costs. In most cases, you can have a new key created on-the-spot at a fraction of the price of what you would pay at dealerships. Key for Wired Saab cars typically come with two keys when they are new. If you only have one, you need to purchase an extra key as soon as you can. This is because if the key is lost the car will require an entirely new CIM and the locking cylinders replaced. This can be costly, especially for used cars. The next step is to connect the row and column wires to the microcontroller. This is the most difficult component of the project and will require a lot of soldering. There is no standardized way to accomplish this, but it is important to think about how you will route and solder the rows and columns. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has 5 rows and 17 columns. After the rows and column are joined, it is time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins from current, preventing them from being shortened. A diode only allows the current to flow in a single direction, and it also has a an indicator in black that shows the direction in which current will flow. A few of the tools that are available at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 — can assist customers at the shop or DIY customers in certain instances program replacement keys and restore lost immobilizer data, Sanabria says. The tools connect to the OBD port and automatically guide the user through the process, making it easier than replacing the computer inside the vehicle. Jump-starting the battery Most people keep the set in their trunks to jump-start their vehicle in an emergency, but it might not be a good option for vehicles with newer technology. These vehicles have many digital and electronic devices that communicate with each other. A voltage spike when a battery is hooked up to another could cause damage to the components and render your car unable to drive. Connect the cables to the vehicle that is operating. Let it run for two minutes. Attach the red clip to the positive terminal on the battery that is good (it will have “POS” or “+” on it). Attach the other end to a clean unpainted metal surface under the hood of the damaged vehicle. The engine block is an excellent choice. The black cable should not be connected to the negative terminal of the dead battery. This could create a spark, which would ignite the gasoline inside the engine compartment. Once the cables are connected, you can start the disabled vehicle and let it run for about five minutes before disconnecting the cables in reverse order. The battery in your Saab 9-3 will recharge as you drive. It may take a while it to fall back. It is recommended to purchase a second key fob, as soon as possible. Replacing the original one that works requires the installation and programming of a new computer chip. Replacement Case Saab owners often only have one car key, and if that is lost, they'll be charged. The reason is that it's not inexpensive to purchase a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. In the event of theft, or any other disaster it is best to have an extra key. However, don't purchase a secondhand key, even it's “new.” Keys that are claimed-new purchased from third-party sellers won't perform and are almost certain to fail at the critical moment. The dealer will charge you the most expensive dollars if you only have one working key. We can reset and reprogram the computer's EEEPROM in order for it to accept a new key without the need to replace the entire system. This can save you a great deal of money. It's also a lot cheaper than waiting until you lose your only key.