Saab Key Programming Saab cars made since 1994 use an immobilizer system that is based on key codes. In order to add a second key, it requires a new transponder, as well as special programming. This is usually done by the dealer using the Tech2 diagnostic tool. This can be expensive. This is why it is important to always have a spare key on hand. Transponder key The transponder is a key that has an electronic chip. The chip transmits a signal when the key is put into the ignition. The car is able to check whether the signal matches the one on the key. If https://www.thekeylab.co.uk/saab-car-keys/ are in sync, the car will unlock and begin. This is a great way to stop auto theft and keep your car secure from thieves. Transponder keys can be an increasingly popular feature for cars, but they are not as safe as traditional keys made of metal. The metal component of a traditional key can easily be copied and cut, but transponders have an electronic chip that safeguards it. The chip has a unique code that is inserted into a car's computers in order to identify it. The car will recognize the Saab keyfob and allow it to be turned on. The car can only recognize the key fob if the device has a chip that is unmodified and programmed to match. The car will not start in the event that the key has not been programmed to match. It's important to make sure that you have an extra key for your Saab. This is especially important when you live in a rural area where there are a lot of car thieves. You can get a new key for your Saab by visiting the dealership, without having to pay their high costs. You can get an original key made on the spot for less than half what you would spend at dealerships. Key for Wired Saab cars are usually supplied with two keys. If you have only one, it's best to acquire an extra key fob as soon as possible as if you lose it, your car will require a new CIM unit, and the locking cylinders need to be replaced. This can be costly, especially if you are buying a used car. The next step is to wire the column and row wires to the microcontroller. This is the most challenging part of the project and will require a great amount 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 pins and wires to connect. After the columns and rows are joined It is now time to connect the key switches. To do this you must place a diode on each key switch pin and then solder it. This will protect the pins from current and prevent them from being shortened. A diode lets current only flow in only one direction. It comes with a visual indicator with a black band that indicates the direction in which current will flow. Sanabria says that a few of the tools offered in auto parts stores, including the Autel MaxiIM IM608PRO and IM508 are able to assist shoppers or DIY customers to program replacement keys and restore immobilizer data. The tools connect to OBD ports and guide the customer through each step and make the process more straightforward than replacing the car's computer. Jump-starting the battery A majority of people keep the set in their trunk to start a vehicle in an emergency, but it might not be the best option for vehicles with newer technology. These cars have a variety of computers and digital 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. Start the vehicle you are using 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 battery that is good (it will have "POS" or "+" on it). Attach the other end to a clear, unpainted metal surface underneath the hood of your disabled car. The engine block is a great alternative. Do not connect the black cable to the negative terminal on the dead battery as this could trigger an ignition spark that ignites the gasoline in the engine bay. After the cables have been connected, begin the car and let it run for about five minutes. Then disconnect them in reverse. The battery in your Saab 9-3 is recharged while you drive. It takes a while for it to recharge again. It is recommended to purchase an additional key fob as soon as possible. Replacing the one that works requires the installation and programming of a new computer chip. Replacement Case Many Saab owners have only one key for their vehicle and if they lose that key, it will cost them. It's expensive to purchase a key and requires replacing the CIM or TWICE in the case of older models. It is recommended to have a backup key in case of theft or other disaster, and the best way is to purchase an extra key as soon as you are able to. Even it's "new", it will not function. The dealer will charge the highest dollar for only one working key. We can, however, reset and reprogram the computer's EEPROM to prepare it to accept the new key without having to replace the whole system. This can help you save a significant amount of money. It's also cheaper than waiting until you lose your sole key.