How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a unique set of steps to take to add the second key. It requires dealer service with the handheld computer known as Tech-2. Then the transponder is replaced and a key need to be purchased.
Make sure to rotate your keys in order to prevent one from deteriorating faster than the other. This will also keep your keys in top shape.
Replacement Case
The new key fobs are not like the old Saab keys. They feature electronic components that make them difficult to duplicate. This has made theft of cars considerably more complicated than it was 20 years ago. But, it has also made replacing lost keys an incredibly expensive task.
Every owner of a Saab 9-3 should have at least two working keys. If one of them is lost, it costs a fortune to add another to the car because it involves replacing the CIM module, and then reprogramming the locking cylinders. Dealers usually charge between $100-$200 to complete this.
There are options to avoid these costly costs. Some parts retailers will find the code from a spare key (usually the same one that opens the doors and switches the ignition) and cut a brand new key blade from metal for a fraction of the dealer's cost. 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 need a flathead screwdriver along with some patience. With the screwdriver, slowly break the plastic and separate the emergency keys from the case. Once the case is open, remove the electronic components and place them into your new case. Insert the correct key and badge inside the case.
Replacement Battery
The Saab 9-3 replacement battery is an inexpensive component that can be quickly and easily replaced. Cyclone's YouTube video Cyd demonstrates how you can replace the battery for the remote fob in just four steps. This tutorial is suitable for any modern saab-type key fob, although the process might differ slightly.
The first step is to find the button that lets off the backup key in the fob. This button is usually on the back of your fob next to the Saab Logo. Next take the flathead screwdriver to insert into the small hole of this button. saab key replacement G28CarKeys should be enough to unlock the fob's case so that you can replace the battery.
After the new battery CR1632 is in place it is possible to reassemble the remote key fob and program it to your car. The entire process shouldn't take more than an hour. It is a very simple procedure that doesn't require any special tools.
The process is more complex if you lose the key, but it's possible. The dealer must first read the VIN of the vehicle and then order an additional TWICE module and key blade that is matched to the unique code. After that, they will be required to cut the replacement key and then program it with a new software tool called MDI.
Key Replacement Fob
The key fob is a device that locks and unlocks your car, it has batteries inside. Batteries have a limited lifespan and eventually will die. It's a common issue for all vehicles. The good thing is that you can change the batteries in most key fobs without having to replace the entire case. You can buy replacement fobs from Amazon that come with all the electronic components already installed, which means you can just pop open the case and replace the batteries that were in the case. It is important to remember that you'll need take out the emergency key first, and you can do this by inserting a small flathead screwdriver into the slot that is located in the middle of the case. The case will split when you move the screwdriver around it.

If you're planning to replace your keys, keep an extra set 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 car. This is much cheaper than purchasing a new fob.
If you don't have a spare one, you can add an additional key to your car, however this will require a lot of research and effort. The cost for adding a second key is several hundred dollars and it also requires the programming of the car's computer. This can be done by a professional, however it's a costly option for the majority of owners.
Replacement Ignition
Unlike earlier Saab vehicles, the latest SAAB 9-3 models are equipped with an extremely sophisticated alarm system that is built on a key code. This means that in the event that you lose your only working key, acquiring another one could be very costly since the car needs to have a specific computer module installed, and it must also be designed to accept a different key. The majority of locksmiths aren't able to do this, and even dealers can charge several hundred dollars just to program the new key!
If you've lost only one working key, a dealer will replace the computer in your car (known as the CIM or SAAB TWICE) in order to make an exchange, and they will charge top dollar for it. We can reprogram the EEPROM in your car computer so that it's ready for an additional key. This will save you more than 50% off the cost you pay at a dealer.
If you've owned a SAAB 9-3 for a long time you are aware that the ignition keys aren't very durable. If your ignition key is not working correctly, you should consider replacing it. They can become extremely sticky and the buttons are known to fall off. It's not as difficult as it seems to replace the ignition key. With the right tools, it is able to be accomplished in a short time.