Tips For Explaining Saab Ignition Key Replacement To Your Boss Saab Key Programming    Saab cars manufactured since 1994 use an immobilizer system that relies on a set of keys. A new transponder is required for the addition of an extra key, and special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.    It can be costly. It is always advisable to keep a spare set of keys at hand.    Transponder key    The transponder key comes with an electronic chip that sends a signal to car when it is inserted into ignition. The car will check to see if the signal matches the one on the key. If the signals are in sync it will unlock and start. how to get a saab replacement key is a fantastic way to protect your vehicle from theft.    Transponder keys are an increasingly popular feature in cars, but you should be aware that they aren't as secure as traditional keys made of metal. The metal component of a traditional keys can be easily copied and cut, but transponders are protected by an electronic chip that guards it. This chip has an individual code that is programmed into the car's computers to identify it.    When a Saab key fob is used the car recognizes it and allows it to turn on. The car will only recognize the key fob if it is equipped with a chip that is unmodified and has been programmed to match. Otherwise, the car would reject the key and refuse to start.      It's essential to ensure that you have a spare key for your Saab. This is especially true if you live in a rural area, where there are a lot of car burglars. You can obtain a replacement key for your Saab by visiting the dealership without paying high costs. In most cases, you can have a new key created on-the-spot for less than half the cost of what you would pay at an auto dealer.    Wired key    Saab cars usually come with two keys when they're new. If you only have one, it is a good idea to get an extra key fob as soon as is possible in case you lose it, your car will require a new CIM unit, and the locking cylinders have to be replaced. This can be costly especially if you're purchasing a used car.    The next step is connecting the wires of columns and row to your microcontroller. This is the most tedious part of the project and will require lots of soldering. It's not a standard way to do it, however, you should think about how to route and solder each column and row. There are 22 microcontroller wires and pins to connect for this keyboard. It has 5 rows and 17 columns.    After the rows and column are joined after which it is time to connect the key switches. Solder a diode to each key switch pin. This will shield the pins from current, preventing them from being cut off. The diode allows current to only flow in only one direction. It is equipped with a visible indicator of a black line that shows the direction in which the current will flow.    Sanabria states that a number of the tools available in auto parts stores, like the Autel MaxiIM IM608PRO and IM508, can help shoppers or DIY users to program replacement keys and restore data from the immobilizer. The tools plug into the OBD port and guide the user through the process, making it more simple than replacing the computer inside the vehicle.    Jump starting the battery    A lot of people keep the set in their trunk to jump-start their car in case of emergency, however it might not be a good idea for cars with more modern technology. These vehicles are equipped with a number of digital and electronic devices that communicate with each other. A surge in voltage when the battery is connected another could cause damage to the components, rendering your car undriveable.    Start the vehicle you are using and let it run for about two minutes before connecting the cables to the one that is disabled. Attach the red clip to the positive terminal of 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 would be a good choice. Don't connect the black cable to the negative terminal on the dead battery as it could spark an ignition spark that ignites the gasoline in the engine bay.    Once the cables are connected, start the vehicle you are not using and let it run for about five minutes before disconnecting the cables in reverse order. The battery in your Saab 9-3 is recharged as you drive. It will take a while for it to recharge again. It is a good idea to purchase a spare key fob as soon as you can, since replacing the sole working one requires the installation of a new computer module and special programming to convince the system that your lost keys are not trying to steal the car.    Replacement Case    Saab owners typically only have one car key, and if that is lost, they will be charged. It's expensive to buy keys and will require replacing the CIM or TWICE in the case of older models. It is recommended to have a second key in the event of theft or any other catastrophe, and the best way is to purchase a second key as early as you can. However, don't purchase a secondhand key, even the case that it's "new." Keys that are claimed-new purchased from third-party sellers won't work and are almost guaranteed to fail at the crucial moment.    The dealer will charge you the most expensive dollar if you only have one working key. We can, however, reset and re-program your computer's EEPROM to prepare it to accept the new key, without replacing the entire system. This could save you a significant amount of money. It's also cheaper than waiting until you lose your only key. 

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