How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have to follow a series of steps that are unique to add an additional ignition key. This requires the use of a handheld computer, known as Tech-2 which is used by the dealer. Then, a new transponder and key need to be purchased.
Make sure to rotate your keys in order to prevent one from wearing out more than the next. This will also help keep your keys in top shape.
Replacement Case
Unlike the classic Saab keys of the past keys, the new key fobs have electronics inside which makes it more difficult to create a duplicate. This has made theft of cars significantly more difficult than 20 years ago. However, it also has made the replacement of lost keys a much more expensive undertaking.
Every owner of a 9-3 Saab should have at minimum two working keys. It is expensive to replace a lost key, as it requires replacing the CIM module, and programming the locking cylinders. Dealers charge between $100 and $200 for this.
There are several ways to get around these costly. Some parts suppliers will search for the code on a spare key (usually the same one that opens the doors and turns on the ignition) and cut a brand new key blade from metal for less than the dealer's cost. The key, however, must be identical to the original to work correctly within your car.
You can also change the case yourself by following these steps. You'll need a flathead and patience. With the screwdriver, break off the plastic and then remove the emergency key. After the case is open take out all electronic components and place them in the new case. Make sure you insert the correct key and badge back into the case, as well.
Replacement Battery
The Saab 9-3 replacement battery is an inexpensive component that can be quickly and easily replaced. This YouTube video from Cyclone Cyd demonstrates the procedure for replacing the remote fob battery in just four easy steps. This tutorial will work with any modern Saab key fob. However, the procedure might differ slightly.

The first step is to find the button that lets off the backup key within the fob. This button is typically located on the back of your fob close to the Saab Logo. Use a flathead to insert the screwdriver into the tiny hole in this button. This will allow you to open the case of the fob to allow you to replace the battery.
After you have installed the battery CR1632, you are able to restore your remote key fob. Then, you can program it into your car. The whole process should not take more than one hour. This is a straightforward procedure that doesn't require special tools.
If you lose a key the process will be more complicated, but it can still be completed. The dealer will first need to read the VIN of the vehicle and order an additional TWICE module and key blade that has the correct unique code. The dealer will then have to program the key using MDI, a brand new software tool.
saab 93 key fob G28 Car Keys is the device that locks and unlocks your car. It is equipped with a battery inside. Batteries have a finite lifespan and eventually die. It is a common problem with all cars. The good news is you can replace the battery on most key fobs without having to replace the entire case. You can buy replacement fobs from Amazon that include all the electronics already installed, so you'll be able to just pop open the case and replace the batteries in the original case. It is important to remember that you'll need take out the emergency key first. you can do this by putting the screwdriver of a small flathead into the slot that is located in the middle of the case. The case will split once you rotate the screwdriver around it.
When you're ready to replace the keys, ensure you have a spare, as this will reduce the total cost by a substantial amount. If you have an additional key, you can request the dealer to cut it in half and program it to your vehicle. This is much less expensive than purchasing a new fob.
If you do not have a spare key you can add an additional key to your car, but this will require a lot of research and effort. The cost of adding a second key is around a hundred dollars and it requires programming of the car's computer. Professionals can accomplish this but it's not a cheap option.
Replacement Ignition
In contrast to earlier Saab automobiles, the new SAAB 9-3 models use an extremely sophisticated alarm system that is built around a coded key. This means that in the event that you lose your only working key, adding an additional one could be extremely expensive because the car needs to have a computer module added and it also must be specially programmed to accept a new key. Most locksmiths can't do this and dealers can charge several hundred dollars just to program the new key!
Dealers will charge you a high price to replace your car computer (also known as the CIM or SAAB twice) if you lose your sole working key. Instead we can reprogram the EEPROM of your current car computer to prepare it to accept a second key, and save you over 50% of what you'd be charged at a dealership.
If you've been a long-time owner of a 03-11 SAAB 9-3, you probably are aware that the ignition key isn't very durable. They can get extremely sticky, and the buttons are known to fall off of them from time to time, so you should consider buying a new one if the one you have isn't working as it should. It's not so difficult as it may seem to replace the ignition key. With the right tools, it can be accomplished in a short time.