How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a unique set of steps to add another key. This requires the use of a handheld computer, known as Tech-2 which is used by the dealer. Then a new key as well as transponder must be purchased and then programmed to the car.
Make sure to rotate your keys in order to prevent one from wearing out faster than another. This will help keep your keys in perfect condition.
Replacement Case
The new key fobs are not like the older Saab keys. They're equipped with electronic devices that make them difficult to duplicate. This has made theft of cars a lot more difficult than it was twenty years ago. It also makes it more expensive to replace keys lost.
Every owner of a Saab 9-3 needs to have at a minimum two functioning keys. If one of them is lost, it costs a fortune to get another one for the car since it requires replacing the CIM module and re-programming the locking cylinders. Dealers charge between $100 and $200 to do this.
There are ways to reduce the high cost. Some parts providers will use the code of an extra key to cut a new metal blade at a fraction the price of the dealer. The key must be the exact same as the original in order for it to work in your vehicle.
Follow these steps to replace the case. You'll need a flathead screwdriver as well as some patience. With the screwdriver you can pull apart the plastic and remove the emergency key. Once the case is opened, take out the electronics and place them inside the new case. Make sure to insert the correct key and badge back in the case too.
Replacement Battery
The Saab 9-3 replacement battery is a budget component that can be quickly and easily replaced. This YouTube tutorial for DIY Cyclone Cyd will show you how to replace the remote key fob battery in only four steps. This guide should work with any modern saab key fob, although the process might differ slightly.

The first step is to find the button that opens the backup key within the fob. This button is usually located on the back of your fob, close to the Saab Logo. Next you will need a flathead screwdriver to insert into the small hole of this button. This will be enough to allow you to open the case of the fob to allow you to replace the battery.
After you have installed the new batteries CR1632, it is possible to restore your remote key fob. Then, you can program it into your car. The entire process should not take more than an hour. This is a very easy process that doesn't require any special tools.
If you lose a key, the process is slightly more complicated however it can be accomplished. The dealer needs to first determine the VIN of the vehicle, and then purchase the replacement TWICE module as well as key blade with the proper unique code. The dealer will then have to program the key using MDI which is a new software tool.
Replacement Key Fob
The key fob comes with an internal battery that is used to lock and unlock your car. The batteries last for a period of and will eventually fail. This is a regular issue that occurs with all vehicles and the good thing is that you can replace the batteries in most fobs, without replacing the whole case. You can buy replacement fobs from Amazon that have all the electronics already in place, so you'll just pop open the case and replace the batteries that were in the case. It is important to keep in mind that you'll need remove the emergency key first. you can accomplish this by inserting an incredibly small screwdriver with a flat head into the slot located in the middle of the case. The case will split when you work the screwdriver all around it.
If you're ready to change your keys, have a spare on hand. This will save you a significant amount of money. If you have spare keys, you can ask the dealer to cut an entirely new key and then program it to your car, which is cheaper than replacing the entire key fob.
If you do not have a spare key, it is possible to add an additional key to your car, however this will require a lot of research and effort. It costs a few hundred bucks to add an additional car key. The computer in the vehicle also has to be programmed. Professionals can do this however, it's a costly option.
Replacement Ignition
In contrast to the earlier Saab automobiles, the current SAAB 9-3 models feature an upgraded alarm system that is dependent on a coded keys. This means that if you lose your only working key, replacing it with another key can be extremely costly since the car needs to have a special computer module installed and it must also be programmed to accept an additional key. Most locksmiths can't do this or even dealers can charge several hundred dollars to program the new key!
saab 93 key fob will charge you a premium to replace your car computer (also known as the CIM or SAAB twice) If you lose your sole working key. Instead we can reprogramme the EEPROM of your current car computer to allow it to be programmed for an additional key, slashing over 50% of the price you have to pay at a dealership.
If you have owned a 9-3 from SAAB for many years, you know that the ignition keys are not very durable. They can get extremely sticky, and the buttons can fall off occasionally, so you should consider buying a new one if the one you have isn't working as it should. It's good to know that replacing the ignition key isn't as difficult as it seems, and it can be done fairly quickly using the appropriate tools.