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How To Save Money On Saab Ignition Key Replacement Saab Key Programming Saab cars that were built prior to 1994 come with an immobilizer system made up of coded keys. A new transponder is required in order to enable the addition of an extra key, and special programming. This is usually done by the dealer, using a specially-designed Tech2 diagnostic tool. The issue is that this could be very costly. This is the reason why you should always have a spare key at hand. Transponder key The transponder keys are keys equipped with an electronic chip. It sends a signal to car when it is put into the ignition. The car then checks the signal to determine if it matches the one that is in the key. If the signals match the car will then unlock itself and begin. This is a great method to stop car theft and keep your vehicle safe from thieves. Transponder keys are a favored feature in automobiles, but you must be aware that they aren't as secure as classic metal keys. While the metal parts of a traditional key could be cut and copied however, a transponder is secured by an electronic chip. The chip is equipped with a unique code programmed into the car's computer to identify it. how to get a saab replacement key will recognize the Saab keyfob and allow it to turn on. However, it can only do this if the key fob is unmodified and has a chip that has been programmed to match. Otherwise, the car will reject the key and not start. It is essential to have a spare Saab key. This is especially important especially if you live in a rural region that has many car thieves. You can get a brand new key for your Saab by visiting the dealership, without having to pay their pricey costs. In the majority of cases, you can have an original key made on the spot for less than half the price of what you'd pay at dealerships. Key for Wired Saab cars are typically delivered with two keys. If you have only one, it's a good idea to get an additional key fob as quickly as you can in case you lose it, your car will require an entirely new CIM unit and the locking cylinders need to be replaced. This can be costly especially if you're purchasing a used car. The next step is to wire the row and column wires to the microcontroller. This is the most laborious part of the project, and it will require lots of soldering. There isn't a standard way to do this, but it is crucial to plan the routes you'll use to solder the columns and rows. For this keyboard, there are five rows and 17 columns. This means there will be 22 microcontroller pins and wires to connect. After the columns and rows are soldered, it's time to connect them to key switches. To do this, put a diode on each pin on the key switch and then solder it. This will protect the pins from current, thus preventing them from being shortened. A diode allows current to only flow in one direction. It is equipped with a visible indicator of a black line that indicates the direction in which current will flow. Some of the tools available at auto parts stores -- such as the Autel MaxiIM IM608 PRO and IM508 -- could help shop customers or even DIY customers in certain instances replace keys in the program and restore lost immobilizer data, Sanabria says. The tools connect to OBD ports and guide the user through each step which makes the process much easier than replacing the car's computer. Jump-starting the battery Most people keep a set of jumper cables in their trunk for emergency situations, but jumping a battery for newer vehicles might not be the best option. These vehicles are equipped with many digital and computers that communicate with each other. A surge of voltage when a battery is connected to another one could cause damage to the parts, rendering your car undriveable. Start the working vehicle and allow it to run for approximately two minutes before you connect the cables to the disabled one. Attach the red clip on the positive terminal of the battery that's good. (It will say "POS" or "+".) Attach the other end of the black cable to an unpainted, clean metal surface underneath the car's hood. The engine block is an excellent choice. Do not connect the black cable to the negative terminal on the dead battery because it could ignite an ignition that ignites the gasoline in the engine bay. Once the cables are connected the vehicle you are not using and let it run for approximately five minutes before you disconnect them in reverse order. Be aware that the battery in the Saab 9-3 gets recharged during your drive, which means it can take a while to get the battery back down again. It's a good idea to purchase a spare fob as soon as you can, since replacing the one that works requires the installation of a new computer module and special programming to convince it that your lost keys aren't attempting to steal the car. Replacement case Many Saab owners only have one key for their vehicle and if they lose it, key, it will cost them. The reason for this is that it's not inexpensive to replace a key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. It is recommended to have a backup key in case of theft or other disaster and the best option is to buy an extra key as soon as you can. Don't purchase a used key even when it's "new." Keys that are claimed as new from sellers selling aftermarket keys won't work and are likely to fail at the critical moment. The dealer will charge you the highest dollar if you only have one working key. We can reset and reprogram the computer's EEEPROM in order to get it ready to accept a replacement key without the need to replace the entire system. That can help you save money. It's also cheaper than waiting until you lose your one key.