Are The Advances In Technology Making Saab Ignition Key Replacement Better Or Worse?
Saab Key Programming
Saab cars produced from 1994 have an immobilizer that relies on a set of keys. A new transponder is required in order to enable the addition of a second key, and special programming. This is usually done by the dealer with a specialized Tech2 diagnostic tool.
The problem is that this could be very expensive. This is the reason why you should always keep a spare key in your possession.
Transponder key
The transponder keys are keys with an electronic chip that sends a signal to car when it is placed in the ignition. The car is able to check whether the signal is the same as the one on the key. If both signals match the car will be able to unlock itself and begin. This is a great method to safeguard your car from theft.
Transponder keys may be an extremely popular accessory for automobiles, but they are not as safe as traditional metal keys. While the metal portion of a traditional key may be cut and copied the transponder is protected by an electronic chip. This chip has an unique code that is encoded into the car's system 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 programmed to match. The car will not start in the event that the key has not been programmed to match.
It is vital to have an extra Saab key. This is especially true when you live in a rural location where there are a lot of car thieves. The good news is that you can get a replacement key for your Saab without having to go to a dealer and pay the expensive prices that they ask. You can have the replacement key on the spot for less than half of the cost you would spend at a dealership.
Wired key
Saab cars are usually provided with two keys. If you only have one, it is recommended to get an additional key as quickly as you can. This is because if it's lost the car will require a new CIM and the locking cylinders replaced. This can be costly particularly if you are buying a used car.
The next step is to wire the wires of the column and row to the microcontroller. This is the toughest aspect of the project and will require lots of soldering. It's not a common way to do it, but you must determine how to connect and solder each column and row. For this keyboard, there are 5 rows and 17 columns, so there will be 22 microcontroller wires and pins to connect.
After the rows and column are joined then it's time to connect the key switches. Solder a diode to each key switch pin. This will protect the pins from current and prevent them from being cut off. A diode allows current to only flow in one direction. It has a visual indicator with a black band that shows which way current will flow.
Sanabria states that some of the tools available in auto parts stores, including the Autel MaxiIM IMM608PRO and IM508 will assist shoppers or DIY users to program replacement keys and restore the immobilizer's data. The tools plug into the OBD port and guide the user through the procedure, making it much easier than replacing the computer inside the vehicle.
Jump-starting the battery
A lot of people keep the set in their trunks to jump-start a vehicle in an emergency, but it may not be a good idea for vehicles that are newer. saab 9-3 key are equipped with many digital and computers that communicate with each other. A voltage spike when a battery is hooked up to another battery could fry these components and render your car undriveable.
Start the vehicle you are using and allow it to run for around two minutes before connecting the cables to the disabled one. 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 a great choice. Don't connect the black cable to the negative terminal on the dead battery, since this could trigger a spark that ignites the gasoline in the engine bay.
Once the cables are connected, you should start the vehicle and let it run about five minutes. Then, disconnect them in reverse. The battery in your Saab 9-3 will recharge as you drive. It will take a while for it to return to its original state. You should consider purchasing a second key fob, when you can. The replacement of the one that works requires the installation and programming of a new computer chip.
Replacement case
Saab owners typically only have one car key, and if it is lost, they will be charged. The reason for this is that it's not inexpensive to purchase a new key, and it requires replacing the CIM (Column Integration Module) or TWICE on older models, and programming. In the event of theft, or any other calamity it is advisable to have a spare key. However, don't purchase a secondhand key even it's "new." Claimed-new keys purchased from third-party sellers won't be effective and are almost guaranteed to fail at the crucial moment.
Most locksmiths cannot help you in the event that you only have one working key, and the dealer will charge you high fees to replace the computer in your car to create a replacement. However, we can reset and re-program the computer's EEPROM to prepare it to accept the new key without having to replace the entire system. This can save you a lot of money. It's less expensive instead of waiting until you lose the sole key.