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Saab Key Programming Saab cars built since about 1994 feature an immobilizer mechanism made up of coded keys. The addition of a key requires a new transponder and special programming. This is usually done by the dealer using the Tech2 diagnostic tool. saab replacement keys uk G28 Car Keys can be costly. This is why it is important to always keep a spare key in your possession. Transponder key The transponder is a piece of key that is equipped with an electronic chip. This chip sends a signal when the key is inserted in the ignition. The car checks to see if the signal matches the one on the key. If the signals match the car will then open and start. This is a great method to deter car theft and keep your car safe from thieves. Transponder keys are a favored feature in cars, but you should be aware they aren't as secure as classic keys made of metal. While the metal portion of a traditional key could be cut and copied the transponder is protected by an electronic chip. The chip contains a unique code which is programmed into a car's computer order to identify it. When a Saab key fob is used, the car recognizes it and allows it to turn on. The car can only recognize the key fob if it is equipped with an unmodified chip and has been programmed to match. The car won't start when the key isn't programmed to match. It is important to have a spare Saab key. This is particularly important when you live in a rural location where there are a lot of car thieves. You can get a brand new key for your Saab by going to the dealership, without having to pay their expensive prices. You can get an original key made on the spot for less than half of the price you'd spend at dealerships. Key for Wired Saab cars usually come with two keys when they're new. If you only have one, you should get an extra key as soon as you can. This is because if the key is lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This can be expensive especially for cars that are used. The next step is to wire the column and row wires to the microcontroller. This is the most difficult part of the project and will require a good amount of soldering. There isn't a standard way to accomplish this, but it's important to plan out the route you'll take and solder the columns and rows. For this keyboard, there are 5 rows and 17 columns, which means 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 to each key switch pin. This will protect the pins of the key switch from current and stop them from being shorted. The diode will only allow the flow of current to be in one direction, and it has an indicator of black color that indicates the direction in which current will flow. A few of the tools that are available at auto parts stores- such as the Autel MaxiIM IM608 PRO and IM508 — could help shop customers or even DIY customers in certain cases programme replacement keys and recover lost immobilizer data Sanabria says. The tools plug into OBD ports and guide the customer through each step which makes the process much easier than replacing the car's computer. Jump-starting the battery The majority of people have an assortment of tools in their trunk to jump start a vehicle in an emergency, but this might not be a good idea for cars with more modern technology. These cars have a variety of computers and digital devices that communicate with one another. A surge in voltage when a battery is hooked up to another one could damage these components and render your car undriveable. Start the vehicle that is working and allow it to run for around 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 to a clear, unpainted metal surface beneath the hood of the damaged vehicle. The engine block is an excellent option. The black cable should not be connected to the negative terminal of the dead battery. This could result in sparks, which could ignite the gasoline in the engine compartment. After the cables have been connected, you should start the car and allow it to run for around five minutes. Then, disconnect the cables in reverse. The battery in your Saab 9-3 is recharged while you drive. It will take some time for it to drop back down. It is recommended to purchase an additional key fob when you can. Replacing the 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 expensive to add a key and requires replacing the CIM or TWICE for 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 an additional key as quickly as you can. Even it's “new”, it won't work. The dealer will charge you the most expensive dollars 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 having to replace the entire system. This could help you save a significant amount of money. It's more affordable rather than wait until you lose the sole key.