How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have to follow a series of special steps to install a second ignition key. It requires dealer service using an electronic handheld computer called Tech-2. A new key and transponder must be purchased and then programmed to the car.
Make sure to rotate your keys in order to prevent one from wearing out more than the next. This will help keep your keys in pristine condition.

Replacement Case
The new key fobs aren't like the old Saab keys. They feature electronic components that make them difficult to duplicate. This has made theft of cars significantly more difficult than 20 years ago. However, it also has made the replacement of lost keys an incredibly expensive undertaking.
Saab 9-3 owners should have two keys that work. It is costly to replace a lost key because it requires replacing the CIM module, as well as reprogramming the locking cylinders. Dealers charge between $100 and $200 for this.
There are some ways around these costly. Some parts providers will use the code of an extra key to cut a new metal blade for less than what the dealer charges. The key must be exactly the same as the original in order for it to function in your vehicle.
Follow these steps to replace the case. You'll require a flathead and a lot of patience. With the screwdriver slowly break the plastic and separate the emergency key from the case. Once you have the case opened, take out the electronics and put them in your new case. Make saab keys to insert the correct badge and key back into the case as well.
Replacement Battery
The replacement battery for the Saab 9-3 is a cheap part that can be replaced easily and quickly. This video tutorial on DIY from YouTube Cyclone Cyd shows how to replace the battery for the remote key fob in only four steps. This tutorial is compatible with any modern Saab key fob. However, the procedure could differ slightly.
The first step is to locate the button that will release the backup key within the fob. The button is usually found on the back of the fob, right next to the Saab Logo. Then take a flathead screwdriver into the small hole inside 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 battery CR1632, you are able to reassemble your remote key fob. You can then program it into your car. The entire process should not take more than a half hour at the most. This is a simple procedure that doesn't require special tools.
If you lose a key the procedure will be a bit more involved but it is still able to be done. The dealer will first need to read the VIN of the vehicle before requesting a replacement TWICE module and key blade with the proper unique code. After that, they will have to cut the replacement key and then program it with a brand new tool for programming called MDI.
Replacement Key Fob
The key fob has a battery that is used to lock and unlock your car. Batteries are able to last for a short time and eventually die. This is a frequent issue with all cars. The good news is that you can replace the battery in most key fobs without having to replace the entire case. Amazon sells replacement fobs that have all the electronic components installed. You can simply remove the case and replace the batteries. You will need to remove the emergency key before you replace the batteries. To do this, place the screwdriver of a small flat head into the slot in the middle of the. Move the screwdriver around the case, and it should split open, making it easier to take it out.
When you're ready to replace the keys ensure you have a spare, since this will cut down your total cost by a significant amount. If you have an extra key, ask the dealer to cut it and program it to your vehicle. This is less expensive than purchasing a new fob.
If you don't have a spare, it is possible to add another key to your car, but this requires a lot research and effort. It costs a few hundred dollars to add a second car key. The computer of the vehicle also has to be programmed. This can be accomplished by a professional, however it's a costly choice for the majority of owners.
Replacement Ignition
Contrary to earlier Saab automobiles, the new SAAB 9-3 models are equipped with an extremely sophisticated alarm system that is built around a coded key. If you lose your sole key, it can be costly to get another one since the car needs to be equipped with a specific computer and be programmed to accept a brand new key. Dealers can even charge hundreds of dollars to program an additional key in the event that they are unable to do it.
Dealers will charge you the highest price to replace your car computer (also called the CIM or SAAB twice) when you lose the only working key. Instead, we can reprogram the EEPROM of your current car computer to make it ready to accept a second key, and save you over 50% of what you'd be charged at a dealership.
If you've owned a car like the SAAB 9-3 for quite a while you are aware that the ignition keys aren't very durable. If your ignition key isn't functioning properly, it is time to think about replacing it. They can become sticky and the buttons are known to fall off. Luckily, replacing the ignition key isn't as difficult as it sounds and can be done quickly with the proper tools.