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Saab Key Programming Saab cars manufactured since 1994 feature an immobilizer system that relies on key codes. To add an additional key, you need an entirely new transponder and programming. This is usually done by the dealer using a Tech2 diagnostic tool. This can be expensive. This is the reason why you should always keep a spare key in your possession. Transponder key The transponder key comes equipped with an electronic chip. It sends a signal to car when it is inserted into ignition. The car then examines the signal to see whether it is identical to the one in the key. If the signals are in sync then the car will be able to open and start. This is a great method to prevent car theft and keep your car secure from thieves. Transponder keys could be a popular addition to cars, but they are not as secure as traditional metal keys. While the metal component of a traditional key can be cut and copied but a transponder key is protected by an electronic chip. This chip contains an individual code that is programmed into the car's computer to identify it. The car will recognize the Saab keyfob and allow it to be turned on. But, it's only able to do this if the fob has an unmodified chip that has been programmed to match. If not, the car will reject the key and won't start. It is important to have a spare Saab key. This is particularly important for those who live in a rural location that has many car thieves. The good news is that it's possible to find a new key for your Saab without having to go to a dealership and pay the high costs they ask. In most cases, you can have a new key created on-the-spot at a fraction of the cost you would pay at a dealer. Wired key Saab cars typically come with two keys when new. If you only have one, it is recommended to get an additional key as soon as you can. This is because if you lose it, the car will need a new CIM and the locking cylinders replaced. This can be expensive especially for cars that are used. The next step is connecting the wires for columns and rows to your microcontroller. This is the most difficult aspect of the project and will require lots of soldering. It's not a common way to go about it, but you should plan how to connect and solder each column and row. For this keyboard, there are five rows and 17 columns, so there will be 22 microcontroller pins and wires to connect. After the columns and rows are soldered together It is now time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins from current, and prevent them from being shortened. The diode will only allow the flow of current to be 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 offered at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 — may aid shop customers or DIY users in some cases create replacement keys and restore lost immobilizer information, Sanabria says. The tools connect to OBD ports and guide the customer through each step, making the process easier than replacing the car's computer. Jump-starting the battery The majority of people have a set of jumper cables in their trunks for emergencies however, jumping a battery on modern cars might not be the best idea. These vehicles are equipped with electronic devices and computers that communicate with one another. A voltage surge while the battery is connected to another can fry these components, rendering your vehicle unable to drive. Start saab key replacement near me that is working and allow it to run for around two minutes before connecting the cables to the non-working 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 under the hood of the affected vehicle. The engine block is a good option. The black cable should not be connected to the negative terminal of the dead battery. This could create sparks, which would ignite gasoline in the engine compartment. Once the cables are connected, turn on the vehicle that has been disabled and let it run for about five minutes before disconnecting the cables in reverse order. Be aware that the battery of the Saab 9-3 gets recharged during your drive, which means it can take a while for the battery to go back to its original level. It is a good idea to purchase a spare key fob as soon as you can, since replacing the one that works requires the installation of a brand new computer module and special programming to convince it that your lost keys are not trying to steal the car. Replacement case Many Saab owners have only one key for their car and if they lose it, key, it will cost them. It's expensive to add a key and requires replacing the CIM or TWICE in the case of older models. It's recommended to have a spare key in the event of theft or any other catastrophe the best solution is to purchase an additional key as soon as you are able to. Even if the key is “new” it will not function. The dealer will charge the highest dollar if you have only one working key. We can reset and reprogram the EEEPROM of your computer to make it ready to accept a replacement key without having to replace the entire system. This could save you a lot of money. It's cheaper to do this than waiting until you lose the only key.