How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a unique set of steps to add a second key. It requires dealer support using the handheld computer known as Tech-2. Then a new car key and transponder must be purchased and then programmed into the car.
It is an excellent idea to rotate your keys so that one doesn't wear out more quickly than the other. This will also help keep your keys in good condition.
Replacement Case
The new key fobs do not look like the old Saab keys. They are equipped with electronics that make them difficult to copy. This has made theft of cars considerably more difficult than it was years ago. It has also made it more expensive to replace keys lost.
Every owner of a Saab 9-3 needs to have at minimum two working keys. It's expensive to replace a lost key because it requires replacing the CIM module, and reconfiguring the locking cylinders. Dealers charge between $100-$200 to do this.
There are a few ways to avoid these high cost. Some parts suppliers will use the code of an old key to cut a brand new metal blade at a fraction the price of the dealer. The key, however, must be the same as the original in order to function within your car.
You can also change the case yourself by following these steps. You will need a flathead screwdriver along with some patience. With the screwdriver, pry off the plastic and then remove the emergency key. Once the case has been opened, remove all electronics and put them back in the new case. Be sure to put 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 by Cyclone Cyd demonstrates the procedure for replacing the remote fob battery in just four steps. This tutorial should work for any modern saab-type key fob, however the procedure might differ slightly.
The first step is to find the button that opens the backup key on the fob. This button is usually located next to 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 should be sufficient to let the fob case open so that you can change the battery.
After the new battery CR1632 is installed You can then reassemble the remote key fob. You can then program it to your car. The entire process should not take more than an hour. It's a simple procedure that doesn't require special tools.
If you lose a key the process will be more complicated however, it can be accomplished. The dealer will need to verify the VIN of the car, and then purchase a replacement key blade and TWICE module, both with the exact unique code. After that, they'll have to cut the replacement key and then program it using the latest software tool known as MDI.
Replacement Key Fob
The key fob has batteries that are used to lock and unlock your car. Batteries have a finite lifespan and eventually die. It is a common problem in all vehicles. The good thing is that you can replace the battery in all key fobs, and not have to replace the entire case. You can buy replacement fobs from Amazon that come with all the electronics already installed, so you can just pop open the case and replace the batteries in the original case. It is important to note that you'll have to take out the emergency key first, and you can accomplish this by inserting the small screwdriver flathead into the slot found in the middle of the case. The case will split once you turn the screwdriver around it.

If you're ready to replace your keys, make sure you have a spare on hand. This will save you a lot of money. If you have an additional key, you can ask the dealer to cut it in half and program it to your vehicle. This is a lot less expensive than purchasing a brand new key fob.
It is possible to add a second key to your car If you don't already have one, but it will require a great deal of research and effort. Adding a second key costs several hundred dollars and it also requires programming of the car's computer. This can be accomplished by a professional, but it is an expensive option for the majority of owners.
Replacement Ignition
The current SAAB 9-3 features an advanced alarm system that is based on a key code. This means that when you lose your sole working key, replacing it with another key can be extremely expensive because the car needs to have a unique computer module fitted and must also be specifically designed to accept a different key. Even a dealer can charge hundreds of dollars to program an additional key in the event that they are unable to complete the task.
If you've lost your only working key and a dealer is able to replace the computer in your car (known as the CIM or SAAB TWICE) to make an exchange, and they will charge you a premium price for it. Instead, we can reprogram the EEPROM of your current car computer to allow it to be programmed for a replacement key, slashing over 50% of what you'll have to pay at a dealership.
If you've owned a SAAB 9-3 for quite a while and you're aware of the ignition keys are not very durable. If your ignition key is not functioning properly, it is time to think about replacing it. They can become sticky and the buttons can fall off. Fortunately, replacing how to open a saab 93 without a key isn't as complicated as it sounds and can be done quickly using the right tools.