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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have a distinct set of steps to take to add another key. It requires dealer service using an electronic handheld computer called Tech-2. Then a new car key and transponder must be purchased and then programmed to the car. It is a good idea to rotate your keys so that one doesn't wear out faster than the other. This will keep your keys in good condition. Replacement Case The new key fobs do not look like the older Saab keys. They are equipped with electronics that make it difficult to duplicate. This has made theft of cars significantly more difficult than 20 years ago. However, saab key fob replacement has made replacing lost keys a much more costly endeavor. Every owner of a Saab 9-3 needs to have at minimum two working keys. It is expensive to replace a lost key because it requires replacing the CIM module, as well as changing the locking cylinders. Dealers charge between $100-$200 for this. There are ways to cut down on the high cost. Some parts dealers 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 in order to function in your car. Follow these steps to replace the case. You will need to have an open-faced screwdriver and patience. Utilizing the screwdriver, slowly break the plastic and then separate the emergency key from the case. Once the case is open, remove the electronics and place them into the new case. Place the key with the correct badge into the case. Replacement Battery The replacement battery for the Saab 9-3 is an inexpensive component that can be replaced easily and quickly. This video tutorial on DIY from YouTube Cyclone Cyd, a user on YouTube, explains how to replace the remote key fob battery in just four steps. This tutorial is suitable for any modern-day saab key fob however the procedure might differ slightly. The first step is to locate the button that releases the backup key inside the fob. It is usually located next to the Saab logo on the back of the fob. Use a flathead to insert the screwdriver through the small hole in this button. This should be sufficient to open the case so that you can replace the battery. After the new battery CR1632 is in place it is possible to reassemble the remote key fob. You can then program it to your car. The whole process should not exceed an hour. This is a straightforward procedure that doesn't require special tools. If you lose a key the process will be a bit more involved however, it can be done. The dealer has to first verify the VIN of the vehicle and then order the replacement TWICE module as well as key blade with the correct unique code. The dealer will then have to program the key using MDI an innovative software tool. Replacement Key Fob The key fob is a device that locks and unlocks your car. It is equipped with a battery inside. The batteries last for a certain time and eventually expire. This is a problem that happens to all cars, and the good news is that you can replace the batteries in many fobs, without replacing the whole case. Amazon sells replacement fobs with all the electronic components in place. It is easy to open the case and replace the batteries. You'll need to remove the emergency key before you replace the batteries. To accomplish this, simply insert an small screwdriver with a flat head into the slot in the middle. Move the screwdriver around the case until it will split open, making it much easier to remove. If you're about to replace your keys, ensure that you have spare keys, because this can cut down your 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 much cheaper than purchasing a new key fob. If you don't have a spare, it is possible to add a second key to your car, but this will require a lot of research and effort. A second key can cost around a hundred dollars and it also requires programming of the car's computer. This can be accomplished by a professional, but it is an expensive option for most owners. Replacement Ignition As opposed to the earlier Saab cars, the modern SAAB 9-3 models feature a much more sophisticated alarm system that is built around a coded key. If you lose only one key, it may be costly to get another one because the car must be equipped with a specific computer and be programmed to accept a new key. Locksmiths typically aren't able to program this and even dealers will charge hundred dollars to program the new key! If you've lost the only working key, a dealer will repair the computer in your car (known as the CIM or SAAB TWICE) to make a replacement, and will charge you a premium price for it. Instead we can reprogram the EEPROM on your existing car computer to allow it to be programmed for a new key, slashing over 50% of what you'd pay at a dealership. If you've owned a 9-3 from SAAB for quite a while, you know that the ignition keys aren't very durable. They can be extremely sticky, and the buttons can be ripped off from time to time and you should think about replacing your ignition key if it isn't working as it should. Luckily, replacing the ignition key isn't as difficult as it seems, and it can be done fairly quickly with the proper tools.