How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners must follow a set of unique steps to add a second ignition key. It requires dealer service with an electronic handheld computer called Tech-2. Then, a new transponder and key have to be purchased.
It is a good idea to rotate your keys in order that one does not wear out faster than the other. This will help to keep your keys in top condition.
Replacement Case
The new key fobs are not like the old Saab keys. They are equipped with electronics which make it hard to duplicate. This has made car theft a lot more complicated than it was 20 years ago. It has also made it more expensive to replace lost keys.
saab replacement keys of a Saab 9-3 should have at minimum two working keys. If one is lost it costs a lot to purchase a new one for the car since it requires replacing the CIM module and re-programming the locking cylinders. Dealers charge between $100-$200 for this.
There are a few ways to avoid these high cost. Some parts dealers will use the code of a spare key to cut a new metal blade for less than that of a dealer. The key must be exactly the same as the original to allow it to function in your vehicle.
Follow these steps to replace the case. You'll need a flathead screwdriver and some patience. With the screwdriver, slowly pull the plastic apart and remove the emergency key from the case. Once the case is open remove all electronics and put them in your new case. Place the key with the correct badge into the case.
Replacement Battery
The Saab 9-3 replacement battery is a budget component that can be quickly and easily replaced. Cyclone's YouTube video Cyd demonstrates the procedure for replacing the remote fob battery with just four simple steps. This tutorial can be used for any modern saab-type key fob, however the procedure might differ slightly.
The button is normally located just below the Saab logo on the back of the fob. This button is usually located just below the Saab logo on the back of the fob. Use a flathead screwdriver to insert the screwdriver in the small hole in this button. This will be enough to allow you to open the fob's case to allow you to replace the battery.
After you have installed the CR1632 batteries, you can put back together your remote key fob. Then, you can program it into your car. The whole process should take more than an hour at most. It's a simple process that does not require any special equipment.
If you lose a key, the process will be more complicated but it is still able to be accomplished. The dealer must first read the VIN of the vehicle, and then purchase an additional TWICE module and key blade with the correct unique code. After that, they'll be required to cut the replacement key and then program it with an innovative software tool called MDI.
Key Replacement Fob
The key fob is the part that locks and unlocks your car, it's got an internal battery. Batteries are able to last for a short time and will eventually fail. This is a common problem that affects all cars, and the good news is that you can replace the batteries in most key fobs without having to replace the whole case. Amazon sells replacement fobs that have all the electronics in place. It is easy to pop the case open and replace the batteries. It is important to note that you'll need to remove the emergency key first, and you can do this by putting an incredibly small screwdriver with a flat head into the slot that is located in the middle of the case. Move the screwdriver around the case, and it should split open, making it easier to take it out.
If you're about to replace your keys, ensure that you have a spare as this can reduce the total cost by a significant amount. If you have an extra key, you can ask the dealer to cut it in half and program it to your car. This is much cheaper than purchasing a brand new key fob.
If you do not have a spare key car key, you can add another key to your car, but it requires a lot of research and effort. It costs a few hundred dollars to get an additional car key. The computer of the car must also be programmed. Professionals can do this but it's not a cheap option.
Replacement Ignition
As opposed to earlier Saab vehicles, the latest SAAB 9-3 models are equipped with an advanced alarm system that is based on a coded key. This means that should you lose only one working key, replacing it with another one can be very expensive as the car has to have a specific computer module installed and it must also be programmed to accept an extra key. Dealers can even charge hundreds of dollars to program a new key when they are not able to complete the task.

Dealers will charge you the highest price to replace your car's computer (also known as the CIM or SAAB twice) in the event that you lose the only working key. We can reprogram the existing EEPROM on your car's computer to make it ready for an additional key. This will save you more than 50% of what you would pay the dealer.
If you've been a long time owner of an 03-11 SAAB 9-3, then you likely realize that the ignition key isn't really all that robust. They can be extremely sticky and the buttons can be removed from them from time to time which is why you should think about purchasing a new one if yours isn't working as it should. It's not as difficult as it seems to replace the ignition key. With the proper tools, it can be accomplished quickly.