How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a distinct set of steps to add the second key. It requires dealer support using an electronic handheld computer called Tech-2. Then, a new transponder and key need to be purchased.
It is a good idea to rotate your keys so that one doesn't wear out more quickly than the other. This will also ensure that your keys remain in top shape.
Replacement Case
The new key fobs aren't like the older Saab keys. They feature electronic components that make them difficult to copy. This has made stealing cars much more difficult than it was twenty years ago. However, it has made replacing lost keys a comparatively expensive endeavor.
Saab 9-3 owners should have two keys that work. It is costly to replace a lost key as it requires replacing the CIM module, and reconfiguring the locking cylinders. Dealers usually charge between $100 and $200 to complete this.
There are options to avoid these high costs. Some parts dealers will use the code of an extra key to cut a brand new metal blade for less than the cost of the dealer. The key, however, must be the same as the original one in order to function in your car.
Follow these steps to replace the case. You'll need a flathead and a lot of patience. With the screwdriver, break apart the plastic, and then take off the emergency key. Once the case is open, take the electronics out and put them in the new case. Insert the correct key and badge into the case.

Replacement Battery
The replacement battery for the Saab 9-3 is a cheap component that can be replaced quickly and easily. The YouTube video of Cyclone Cyd demonstrates how to replace the remote fob battery with just four steps. This tutorial should work for any modern saab key fob however, the procedure may differ slightly.
The first step is to find the button that opens the backup key inside the fob. It's usually next to the Saab logo on the back of the fob. Use a flathead to insert the screwdriver into the tiny hole on this button. This should be enough to open the case so that you can replace the battery.
After the new battery CR1632 is in place then you can reassemble your remote key fob and program it to your car. The procedure should take no more than an hour or less. It's a simple process that doesn't require any special tools.
If you lose a key, the process will be more complicated however, it can be completed. The dealer must find the VIN number of the car and then order a replacement key blade and TWICE module with the correct unique code. The dealer will then have to program the key using MDI, a new software tool.
Replacement Key Fob
The key fob is the device that locks and unlocks your car, it has a battery inside. The batteries are able to last for and eventually expire. It is a common problem with all cars. The good thing is that you can replace the battery in all key fobs, without having to replace the entire case. You can purchase replacement fobs on Amazon that come with all the electronics already installed, which means you can just pop open the case and replace those batteries that are old. It is important to keep in mind that you'll need to take out the emergency key first. you can do this by inserting a small flathead screwdriver into the slot in the middle of the case. Move the screwdriver around the case, and it will split open, making it easier to take it out.
If you're looking to replace your keys, be sure to have a spare in your possession. This will save you a lot of money. If you have an extra key, you can request the dealer to cut it and program it to your vehicle. This is much less expensive than purchasing a brand new key fob.
It is possible to add a second key to your car in the event that you don't have one, however it requires a great deal of research and work. The cost for adding a second key is about a few hundred dollars and also requires programming of the car's computer. Professionals can do this, but it's an expensive option.
Replacement Ignition
Contrary to earlier Saab automobiles, the new SAAB 9-3 models are equipped with an upgraded alarm system that is dependent on a coded keys. saab 9-3 key fob programming means that if you lose your only working key, replacing it with an additional one could be extremely expensive because the car needs to have a special computer module installed, and it also must be specially designed to accept a different key. The majority of locksmiths aren't able to do this, and even dealers will charge hundreds of dollars just to program the new key!
If you've lost your sole working key, a dealer will repair the computer in your car (known as the CIM or SAAB TWICE) to create a replacement, and will charge you a premium price for it. Instead, we can reprogram the EEPROM of your current car computer to make it ready for an additional key, slashing over 50% of the amount you be charged at a dealership.
If you've owned a SAAB 9-3 a long time and you're aware of the ignition keys are not very durable. If your ignition key isn't working properly, you should consider replacing it. They can become extremely sticky and the buttons can fall off. It's not so difficult as it may seem to replace the ignition key. With the right tools, it is able to be done quickly.