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Saab Key Programming Saab cars manufactured from 1994 have an immobilizer that relies on coded keys. To add an additional key, you need the purchase of a new transponder as well as special programming. This is usually done at the dealer using a Tech2 diagnostic tool. The problem is that this can be extremely expensive. It is always advisable to keep a spare set of keys available. Transponder key The transponder key is a key equipped with an electronic chip. It transmits a signal to the car when it is inserted into ignition. The car will then check the signal to see whether it is the same as the one in the key. If the signals are in sync the car will then unlock and begin. This is a great method to prevent auto theft and keep your vehicle safe from thieves. Transponder keys may be a popular addition to automobiles, but they are not as secure as traditional metal keys. While the metal component of a conventional key can be cut and copied but a transponder key is protected by an electronic chip. The chip is a unique code that's programmed into the car's computer in order to identify it. When a Saab key fob is used, the car recognizes it and allows it to turn on. However, it can only do so if the key fob has a non-modified 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 is crucial to have a spare Saab key. This is especially true especially if you reside in a rural location where there are many car thieves. The good news is that you can get a replacement key for your Saab without needing to visit a dealership and pay the expensive prices that they charge. You can get a replacement key made on the spot for less than half of the cost you would spend at an auto dealer. Key for Wired Saab cars typically come with two keys when they're new. If you only own one, you should purchase an additional key as quickly as you can. This is because, if it's lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This could be expensive, especially if you are purchasing a used car. The next step is to wire the wires for the column and row to the microcontroller. This is the most tedious part of the project, and will require a lot of soldering. There isn't a standard method to go about it, but you need to plan how to route and solder each column and row. There are 22 microcontroller wires as well as pins to connect to this keyboard. It has five rows and 17 column. Once saab 9-3 key programming www.thekeylab.co.uk and columns are soldered, it's the time to connect them to the key switches. To do this you must place a diode over each pin of the key switch and solder it. This will shield the key switch pins from current and stop them from being shorted. A diode lets current only flow in one direction. It comes with a visual indicator of a black line that indicates which direction current will flow. Sanabria states that some of the tools offered in auto parts stores, including the Autel MaxiIM IM608PRO and IM508 can assist customers shopping or DIY customers to program replacement keys and restore immobilizer information. The tools connect to OBD ports and guide the user through each step, making the process easier than replacing the vehicle's computer. Jump-starting the battery Most people keep a set of jumper cables in their trunk to use in an emergency however, jumping a battery for newer automobiles might not be the most efficient option. They have numerous digital and computer systems that communicate with each other. A surge in voltage when a battery is connected to another could cause damage to the components, rendering your car undriveable. Connect the cables to the vehicle operating. Let it run for two minutes. Attach the red clip to the positive terminal on the good battery (it will have “POS” or “+” on it). Attach the other end of the black cable to an unpainted, clean metal surface beneath the damaged car's hood—the engine block is a good choice. The black cable should not 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 the disabled vehicle and allow it to run for around five minutes before disconnecting them in reverse order. The battery in your Saab 9-3 will be recharged as you drive. It will take a while for it to return to its original state. It is recommended to purchase another key fob as soon as you can. Replacing the only one that works requires the installation and programming of a brand new computer chip. Replacement Case Saab owners usually have only one car key, and if that is lost, they'll be charged. It's costly to add an additional key and it requires replacing the CIM or TWICE for older models. It's best to have a backup key in the event of theft or any other catastrophe, and the best way is to buy an extra key as early as you can. But don't buy a used key even when it's “new.” Claimed-new keys from sellers selling aftermarket keys won't work and are almost guaranteed to fail at the critical moment. The dealer will charge you the most expensive dollar if you only have one working key. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a new key without the need to replace the entire system. This could help you save a significant amount of money. It's less expensive than wait until you lose your only key.