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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have to follow a series of unique steps to add an additional ignition key. This requires the use of a handheld computer called Tech-2, to be used by the dealer. Then the transponder is replaced and a key must be purchased. Rotate your keys to prevent one from wearing out more than the next. This will also help keep your keys in pristine condition. Replacement Case Unlike the classic Saab keys of the past keys, the latest key fobs have electronics inside that make it difficult to make a copy. This has made stealing car keys much more difficult than twenty years ago. However, it has also made replacing lost keys a much more expensive endeavor. Every owner of a Saab 9-3 should have at a minimum two functioning keys. If one gets lost, it costs a lot to replace it in the car because it involves replacing the CIM module and re-programming the locking cylinders. Dealers charge between $100-$200 for this. There are ways to reduce the high price. Some parts suppliers will use the code of an old key to cut a new metal blade for a fraction of that of a dealer. The key must be exactly the same as the original for it to function in your vehicle. Follow these steps to replace the case. You'll need a flathead and a lot of patience. Using the screwdriver, slowly tear the plastic away and separate the emergency key from the case. When the case is opened take out all electronic components and place them in your new case. Make sure you insert the correct key and badge back in the case too. 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, a user on YouTube, explains how to replace the remote key fob battery in only four steps. saab replacement keys will work with any modern Saab key fob. However, the procedure may differ slightly. The button is normally located next to the Saab logo on the back of the fob. This button is usually located next to the Saab logo on the back of the fob. Then use a flathead screwdriver into the small hole of this button. This should be enough to open the case so that you can change the battery. Once you have installed the CR1632 batteries, you can put back together the remote key fob. Then, you can program it into your car. The entire process should not take more than a half hour at the most. It is a simple process that does not require any special equipment. If you lose your key, the procedure will be slightly more complicated but it is still able to be completed. The dealer will need to find the VIN number of the car and then purchase a replacement key blade and TWICE module with the correct unique code. Then, they'll be required to cut the replacement key and then program it with a brand new tool for programming called MDI. Replacement Key Fob The key fob is equipped with a battery that is used to lock and unlock your vehicle. The batteries have a lifespan and will eventually fail. This is a problem that occurs for all vehicles. The good thing is that you can change the batteries in most key fobs, without having to replace the entire case. You can buy replacement fobs on Amazon that come with all the electronic components already installed, which means you can simply open the case and replace the batteries in the original case. It is important to remember that you'll need to take out the emergency key first. you can accomplish this by inserting the small screwdriver flathead into the slot located in the middle of the case. The case will split once you work the screwdriver all around it. If you're planning to replace your keys, be sure to have a spare in your possession. This will save you a significant amount of money. If you have an additional key, ask the dealer to cut the key and program it for your vehicle. This is much cheaper than purchasing a new key fob. If you don't have a spare car key, you can add another key to your car, however it requires a lot of research and effort. The cost for adding a second key is a few hundred dollars, and it also requires programming of the car's computer. This can be accomplished by a professional, but it's a costly option for most owners. Replacement Ignition Unlike earlier Saab vehicles, the latest SAAB 9-3 models are equipped with a much more sophisticated alarm system that is built on a key code. This means that if you lose your only working key, replacing it with another one could be very costly since the car needs to have a special computer module installed, and it must also be programmed to accept a new key. Even a dealer can charge hundreds of dollars to program an entirely new key, even if they're unable to do it. If you've lost only one working key, a dealer will repair your car's computer (known as the CIM or SAAB TWICE) in order to make the replacement, and will charge a premium for it. We can reprogram the existing EEPROM in your car computer so that it's prepared for a new key. This will save you more than 50% of what you would spend at an auto dealer. If you've owned a 9-3 from SAAB for an extended period of time and you're aware of the ignition keys aren't very durable. They can be extremely sticky, and the buttons are known to be ripped off from time to time and you should think about buying a new one if the one you have isn't working as it should. Fortunately, replacing the ignition key isn't as complicated as it seems, and it is fairly easy to do with the right tools.