How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a unique procedure to add an additional key. It requires dealer service using a handheld computer dubbed Tech-2. Then a new key as well as transponder have to be purchased and programmed to the car.
Rotate your keys to prevent one from wearing out faster than the next. This will also keep your keys in top condition.
Replacement Case

As opposed to the traditional Saab keys of the past keys, the new keys have electronic components which makes it more difficult to copy. This has made car theft significantly more complicated than it was 20 years ago. It has also made it more expensive to replace keys lost.
Saab 9-3 owners should have two keys working. It is costly to replace a lost key because it requires replacing the CIM module, and programming the locking cylinders. Dealers charge between $100-$200 for this.
There are options to avoid these high costs. Some parts retailers will find the code on an old key (usually the same one that opens the doors and turns off the ignition) and cut a new metal key blade for a fraction of the dealer's cost. The key must be exactly the same as the original for it to function in your vehicle.
You can also change the case yourself by following these steps. You'll require an open-faced screwdriver and a lot of patience. With the screwdriver, break apart the plastic and remove the emergency key. Once you have the case opened, take out the electronics and put them in the new case. Make sure to insert the correct badge and key back into the case as well.
Read the Full Piece of writing for the Saab 9-3 is an affordable part that can be replaced quickly and easily. This DIY video from YouTube Cyclone Cyd will show you how to replace the remote key fob battery in only four steps. This tutorial can be used with any modern Saab key fob. However, the process could differ slightly.
The first step is to locate the button that releases the backup key inside the fob. This is usually located next to the Saab logo on the back of the fob. Use a flathead to insert the screwdriver into the tiny hole in this button. This will allow you to open the fob's case so that you can replace the battery.
Once you have installed the batteries CR1632, you can restore your remote key fob. Then, you can program it into your car. The whole process should not be more than an hour. This is a straightforward procedure that doesn't require special tools.
If you lose a key the procedure will be slightly more complicated, but it can still be completed. The dealer must verify the VIN of the car, and then order a new key blade and TWICE module that has the exact unique code. The dealer will then need to program the key using MDI which is a new software tool.
Replacement Key Fob
The key fob is the device that locks and unlocks your car. It has a battery within. Batteries are able to last for a short time and will eventually fail. This is a typical issue that happens to all cars and the good thing is that you can change the batteries in many key fobs without replacing the whole case. Amazon sells replacement fobs with all the electronics in place. It is easy to open the case and replace the batteries. It is important to keep in mind that you'll need take out the emergency key first. you can do this by putting an incredibly small screwdriver with a flat head into the slot found in the middle of the case. Use the screwdriver to move around the case until it is split open, making it easier to remove.
When you are ready to replace the keys, ensure that you have a spare, as this will reduce the total cost by a significant 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 less expensive than purchasing a brand new key fob.
It is possible to add another key to your vehicle in the event that you don't have one, however it requires some research and effort. The cost for adding a second key is about a few hundred dollars and also requires programming of the car's computer. This can be done by a professional, however it is an expensive option for most owners.
Replacement Ignition
The new SAAB 9-3 is an advanced alarm system built on a keycode. If you lose only one key, it may be costly to get another one, as the car has to be equipped with a specific computer and also be programmed to accept a brand new key. Most locksmiths can't do this and even dealers will charge hundred dollars to program the new key!
If you've lost the only working key the dealer will replace the computer in your car (known as the CIM or SAAB TWICE) to make an exchange, and they will charge you the highest price for it. Instead, we can reprogram the EEPROM in your current car computer to make it ready to accept a second key, and save you over 50% of the price you spend at a dealer.
If you've been a long-time owner of a 03-11 SAAB 9-3, then you likely have noticed that the ignition switch isn't the most durable. They can become incredibly sticky, and the buttons can fall off at times and you should think about purchasing a new one if yours isn't working properly. It's good to know that replacing the ignition key isn't as difficult as it seems and is fairly easy to do using the appropriate tools.