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imageSaab Key Programming

Saab cars built since 1994 utilize an immobilizer that relies on a set of keys. A new transponder is required for addition of an additional key, as well as special programming. This is usually done by the dealer using a Tech2 diagnostic tool.

The problem is that this can be extremely expensive. You should always keep a spare set of keys in your possession.

Transponder key

The transponder can be described as a key equipped with an electronic chip. This chip sends a signal when the key is placed in the ignition. The car will check to see whether the signal matches the one on the key. If the signals are in sync the car will then unlock and begin. This is a great method to guard your car against theft.

Transponder keys are an extremely popular accessory for cars, but they are not as secure as traditional keys made of metal. The metal part of the traditional key can easily be cut or copied, while the transponder is protected by an electronic chip which protects it. The chip has a unique code which is programmed into a car's computer order to identify it.

The car will recognize the Saab Spare Key keyfob and allow it to turn on. The car can only recognize the key fob when it has an unmodified chip and programmed to match. Otherwise, the car would reject the key and won't start.

It is crucial to have a spare Saab key. This is especially important if you live in a rural area where there are numerous car thieves. You can obtain a replacement key for your Saab by going to the dealership and not paying their high costs. In most cases, you can have an original key made on the spot at a fraction of the price of what you'd pay at the dealer.

Key for Wired

Saab cars typically come with two keys when they are new. If you only have one, it's a good idea to get an additional key fob as soon as you can since if you lose it, the car will require a new CIM unit, and the locking cylinders need to be replaced. This can be costly 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 it will require a lot of soldering. There is no standard method to do this, but it is essential to determine the way you'll route and solder the columns and rows. For this keyboard, there are 5 rows and 17 columns. This means there will be 22 microcontroller wires and pins that you need to connect.

After the columns and rows are soldered together, it is time to connect the key switches. To do this, you need to place an inverter over each pin on the key switch and then solder it. This will shield the pins that are used for key switches from current and stop them from being shorted. A diode allows current to only flow in only one direction. It comes with a visual indicator, a black band, that indicates the direction in which current will flow.

A few of the tools that are available at auto parts stores -like the Autel MaxiIM IM608 Pro and IM508 -- can help shop customers or even DIY customers in some cases program replacement keys and restore lost immobilizer information, Sanabria says. The tools plug into OBD ports and guide the user through each step which makes the process much easier than replacing the car's computer.

Jumpstarting the battery

A lot of people keep an item in their trunks to jump-start a car in an emergency, but this might not be the best idea for cars with more modern technology. These vehicles are equipped with many computers and digital devices which communicate with each other. A surge in voltage while a battery is hooked up to another one could damage these components and leave your car unable to drive.

Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip on the positive terminal of the good battery. (It will read "POS" or "+".) Attach the other end of the black cable to a clean, unpainted metal surface underneath the car's hood. The engine block is a good choice. Don't connect the black cable to the negative terminal of the dead battery, as this could trigger an ignition source that ignites gasoline in the engine bay.

After the cables have been connected, you need to begin the car and allow it to run for around five minutes. Then, disconnect the cables in reverse. Remember that the battery on your saab ignition key replacement 9-3 is charged during your drive, which means it may take some time to get the battery back to normal. It's a good idea invest in a spare key fob as soon as you can, because replacing the sole working one requires the installation of a new computer module and special programming to convince it that your lost keys are not trying to steal the car.

Replacement case

Saab owners usually have only one car key, and if that is lost, they'll be charged. It's expensive to add an additional key and it requires replacing the CIM or TWICE in the case of older models. It's recommended to have a spare key in the event of theft or other disaster and the best option is to buy an extra 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 from sellers selling aftermarket keys won't be effective and are almost guaranteed to fail in the most critical moment.

imageMost locksmiths can't help you with a single working key and Saab spare key the dealer will charge for the cost of replacing the computer in your vehicle to create a replacement. We can, however, reset and re-program your computer's EEPROM in order to prepare it to accept an alternative key without replacing the whole system. This can help you save money. It's less expensive rather than wait until you lose your only key.

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