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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners must follow a set of specific steps to add a second ignition key. This requires a handheld computer, called Tech-2 which is used by the dealer. Then, a new transponder and key must be purchased. Change your keys regularly to prevent one from wearing out faster than another. This will help to keep your keys in pristine condition. Replacement Case Unlike the classic Saab keys of the past, the new keys have electronic components which makes it difficult to make a copy. This has made stealing cars much more difficult than twenty years ago. It also makes it more expensive to replace keys lost. Every owner of a 9-3 Saab should have at a minimum two functioning keys. If one of them is lost, it is expensive to replace it in the car since it requires replacing the CIM module and re-programming the locking cylinders. Dealers charge between $100-$200 to do this. There are a few ways to avoid these high cost. Some parts dealers will use the code of the spare key to cut a brand new metal blade at a fraction that of a dealer. The key must be the exact same as the original for it to function in your vehicle. You can also change the case yourself by following these steps. You will need to have an open-faced screwdriver and a lot of patience. With the screwdriver, pry apart the plastic, and then take off the emergency key. Once the case is open, remove the electronic components and put them in your new case. Be sure to put the correct key and badge back into the case, as well. Replacement Battery The replacement battery for the Saab 9-3 is a cheap part that can be replaced quickly and easily. This YouTube DIY video Cyclone Cyd shows how to replace the battery of the remote key fob in just four steps. This tutorial is compatible with any modern Saab key fob. However, the process could differ slightly. The first step is to find the button that lets off the backup key inside the fob. It's usually next to the Saab logo on the back of the fob. Use a flathead screwdriver to insert the screwdriver into the small hole in this button. This should be enough to open the case of the fob 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 whole process should not exceed an hour. It's a very easy process that does not require any special tools. The process is more complicated if you've lost the 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 with the correct unique code. After that, they will have to cut the new key and then program it with the latest software tool known as MDI. Key Replacement Fob The key fob contains batteries that are used to lock and unlock your vehicle. The batteries have a lifespan, and they will eventually go out of service. lost saab keys The Key Lab is a problem that occurs with all cars. The good news is that you can replace the battery in all key fobs, and not have to replace the entire case. You can purchase replacement fobs on Amazon that include all the electronics already in place, so you'll just pop open the case and replace the old batteries. You will need to remove the emergency key before you replace the batteries. To accomplish this, simply insert a small flathead screwsdriver into the slot that is in the middle of the. Use the screwdriver to move around the case, and it will split open, making it easy to remove. When you are ready to replace the keys ensure that you have spare keys, since this will cut down the total cost by a substantial amount. If you have an additional key, ask the dealer to cut it and program it for your car. This is much cheaper than purchasing a brand new key fob. If you don't have a spare you can add another key to your car, but this will require a lot of research and effort. It can cost a few hundred dollars to purchase a second car key. The computer of the car also needs to be programmed. This can be done by a professional, however it is an expensive option for the majority of owners. Replacement Ignition Contrary to the earlier Saab automobiles, the new SAAB 9-3 models have an extremely sophisticated alarm system that is built on a key code. If you lose your sole key, it can be expensive to add another one because the car must include a computer and be programmed to accept a new key. Most locksmiths can't do this and even a dealer will charge several hundred dollars just to program the new key! If you've lost only one working key and a dealer is able to replace the computer in your car (known as the CIM or SAAB TWICE) in order to make a replacement, and they will charge you the highest price for it. Instead we can reprogramme the EEPROM of your current car computer to make it ready for a new key, saving 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 really all that durable. If the ignition key you have isn't working properly, you should think about replacing it. They can become extremely sticky and the buttons have been known to fall off. It's not so difficult as it may seem to replace the ignition key. With the proper tools, it can be done quickly.