How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a unique set of steps to add the second key. This requires an electronic handheld computer, referred to as Tech-2 which is used by the dealer. Then the transponder is replaced and a key have to be purchased.
Change your keys regularly to prevent one from wearing out quicker than the other. saab key fob programming will also help to keep your keys in good condition.
Replacement Case
The new key fobs aren't like the older Saab keys. They are equipped with electronics that make it difficult to duplicate. This has made car theft a lot more difficult than it was a few years ago. However, it has also made the replacement of lost keys a much more expensive endeavor.

Every owner of a Saab 9-3 should have at least two working keys. It costs a fortune to replace a lost key because it requires replacing the CIM module, and changing the locking cylinders. Dealers will typically charge $100-$200 to do this.
There are ways to reduce these high costs. Some parts dealers will use the code of an extra key to cut a brand new metal blade at a fraction what the dealer charges. The key must be the exact same as the original for it to function in your vehicle.
You can also replace the case yourself by following these steps. You will need a flathead screwdriver along with some patience. With the screwdriver you can pull off the plastic and then remove the emergency key. When the case is opened take out all electronic components and put them back in the new case. Make sure you insert the correct key and badge back inside the case, too.
Replacement Battery
The Saab 9-3 replacement battery is a low-cost component that can be easily and quickly replaced. Cyclone's YouTube video Cyd demonstrates the procedure for replacing the remote fob battery in just four easy steps. This tutorial is compatible with any modern Saab key fob. However, the procedure might differ slightly.
The first step is to find the button that opens the backup key inside the fob. The button is usually found on the back of the fob, just below the Saab Logo. Next, use a flathead screwdriver into the small hole in this button. This will allow you to open the fob's case so that you can replace the battery.
After the new battery CR1632 is installed it is possible to reassemble the remote key fob and then program it to your car. The entire process should not take more than one hour. This is a simple process that doesn't require any special tools.
If you lose a key, the procedure will be more complicated however it can be completed. The dealer must first read the VIN of the vehicle before requesting a replacement TWICE module and key blade that has the correct unique code. After that, they'll need to cut the replacement key and then program it with an innovative software tool called MDI.
Replacement Key Fob
The key fob is the piece that locks and unlocks your car. It is equipped with a battery within. Batteries have a limited lifespan and will eventually fail. This is a common problem that affects all cars and the good news is that you can change the batteries in most key fobs and not have to replace the whole case. Amazon sells replacement fobs that already have all the electronics in place. It is easy to pop the case open and replace the batteries. It's important to note that you'll have to take out the emergency key first. you can do this by putting the screwdriver of a small flathead into the slot located in the middle of the case. Move the screwdriver around the case until it is split open, making it easy to take it out.
If you are about to replace the keys, ensure you have a spare, as this can reduce your total cost by a significant amount. If you have an extra key, you can request the dealer to cut the key and program it for your vehicle. This is much less expensive than purchasing a brand new key fob.
If you don't have a spare car key, you can add a second key to your car, however this requires a lot of research and effort. It can cost a few hundred bucks to add an additional car key. The computer in the car must also be programmed. This can be accomplished by a professional, however it's an expensive option for the majority of owners.
Replacement Ignition
In contrast to earlier Saab cars, the modern SAAB 9-3 models have an upgraded alarm system that is dependent on a coded keys. This means that if you lose your only working key, replacing it with an additional one could be extremely expensive since the car has to have a unique computer module fitted and also needs to be specifically programmed to accept an additional key. The majority of locksmiths aren't able to do this and even a dealer will charge several hundred dollars to program the new key!
If you've lost your only working key and a dealer is able to replace your car's computer (known as the CIM or SAAB TWICE) to make an exchange, and they will charge top dollar for it. Instead we can reprogramme the EEPROM on your existing car computer to make it ready for a replacement key, which will save you more than 50% of the price you 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, you must look into replacing it. They can become very sticky and the buttons can fall off. The good news is that replacing the ignition key isn't as difficult as it sounds, and it is fairly easy to do using the appropriate tools.