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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have a unique set of steps to take to add another key. This requires the use of a handheld computer called Tech-2, to be used by the dealer. Then a new car key and transponder are required to be purchased and then programmed into the car. Rotate your keys to stop one from wearing out more than another. This will also help keep your keys in top shape. Replacement Case As opposed to the traditional Saab keys of the past keys, the new keys have electronic components which makes it hard to make a copy. This has made car theft much more difficult than it was twenty years ago. It has also made it more expensive to replace keys lost. Every owner of a Saab 9-3 needs to have at least two working keys. If one of them is lost, it is expensive to add another to the vehicle because it requires replacing the CIM module, and then reprogramming the locking cylinders. Dealers charge between $100 and $200 for this. T here are several ways to get around these costly. Some parts suppliers will search for the code on an old key (usually the same one that opens the doors and turns off the ignition) and cut a new key blade out of metal for less than the dealer's cost. The key must, however, be the same as the original one to function properly within your car. Follow these steps to replace the case. You'll require a flathead screwdriver as well as some patience. With the screwdriver you can pull apart the plastic and remove the emergency key. When the case is opened remove all electronics and put them back in your new case. Make sure you 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. This video tutorial on DIY from YouTube Cyclone Cyd shows how to replace the battery of the remote key fob in just four steps. This tutorial should work with any modern Saab key fob. However, the process might differ slightly. This button is usually placed next to the Saab logo on the back of the fob. This button is usually located on the back of your fob, just below the Saab Logo. Use a flathead screwdriver to insert the screwdriver in the small hole in this button. This will be enough to allow you to open the fob's case to allow you to replace the battery. Once you have installed the new batteries CR1632, you can rebuild your remote key fob. You can then program it into your car. The whole process should take more than a half hour at the most. This is a straightforward procedure that doesn't require special tools. The process is more complicated if you've lost your key, but it's possible. The dealer has to find the VIN number of the car and then order a replacement key blade and TWICE module that has the exact unique code. The dealer will then need to program the key using MDI an innovative software tool. Key Replacement Fob The key fob comes with a battery that is used to lock and unlock your car. The batteries last for a period of and eventually go out of service. This is a common problem that occurs with all vehicles, and the good news is that you can change the batteries in a majority of key fobs and not have to replace the whole case. Amazon sells replacement fobs that already have all the electronics in place. You can simply pop the case open and replace the batteries. It is important to note that you'll need to take out the emergency key first, and you can accomplish this by inserting the small screwdriver flathead into the slot that is located in the middle of the case. The case will split once you rotate the screwdriver around it. If you are about to replace your keys, ensure that you have a spare, as this can reduce the total cost by a significant amount. If you have an extra key, request the dealer to cut the key and program it for 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 even if you don't have one, but it takes lots of research and effort. It costs around a hundred dollars to add an additional car key. The computer in the car must also be programmed. This can be accomplished by a professional, but it's a costly option for the majority of owners. Replacement Ignition Contrary to the earlier Saab automobiles, the new SAAB 9-3 models feature an extremely sophisticated alarm system that is dependent on a coded keys. This means that when you lose your sole working key, adding an additional one could be extremely costly since the car needs to have a special computer module installed and it also needs to be specifically programmed to accept an additional key. The majority of locksmiths aren't able to do this and dealers can charge several hundred dollars to program the new key! Dealers will charge you a high price to replace your car computer (also called the CIM or SAAB twice) in the event that you lose your only functioning key. Instead we can reprogramme the EEPROM on your existing car computer, preparing it for a replacement key, which will save you more than 50% of the amount you have to pay at a dealership. If you have owned a SAAB 9-3 for many years and you're aware of the ignition keys are not very durable. If your ignition key isn't working correctly, you should look into replacing it. They can become sticky and the buttons can fall off. Fortunately, replacing the ignition key isn't as difficult as it sounds, and it can be done quickly using the right tools.