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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 the second key. This requires a handheld computer, called Tech-2 which is used by the dealer. Then the transponder is replaced and a key need to be purchased. Change your keys regularly to prevent one from wearing out quicker than another. This will also help keep your keys in top shape. Replacement Case In contrast to the traditional Saab keys of old keys, the latest key fobs have electronics inside which makes it more difficult to copy. This has made stealing cars considerably more difficult than it was years ago. However, it also has made replacing lost keys an incredibly expensive undertaking. Saab 9-3 owners must have two keys working. It's expensive to replace a lost key because it requires replacing the CIM module, and programming the locking cylinders. Dealers will typically charge $100-$200 for this. There are options to avoid these costly costs. Some parts providers will look up the code from an old key (usually the same one that opens the doors and turns on the ignition) and cut a new key blade out of metal for just a fraction of dealer cost. The key must be the exact same as the original in order for it to work in your vehicle. You can also change the case yourself by following these steps. You'll require an flathead screwdriver and patience. With saab key programmer pull the plastic apart and remove the emergency key from the case. Once the case is open take the electronics out and put them in your new case. Make sure you insert 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 DIY video from YouTube Cyclone Cyd, a user on YouTube, explains how to replace the battery for the remote key fob in only four steps. This tutorial should work for any modern saab key fob, though the process may vary slightly. The first step is to find the button that lets off the backup key in the fob. The button is usually found on the back of your fob just below the Saab Logo. Use a flathead to insert the screwdriver in the small hole on this button. This should be enough to unlock the fob's case to allow you to replace the battery. After you have installed the battery CR1632, you are able to reassemble your remote key fob. You can then program it into your car. The procedure should take no more than an hour at most. This is a straightforward process that doesn't require any special tools. If you lose a key, the process is slightly more complicated however it can be done. The dealer needs to first determine the VIN of the vehicle and order an alternative TWICE module, as well as a key blade that has 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 contains batteries that are used to lock and unlock your car. Batteries are able to last for a short time and eventually die. This is a common problem that happens to all cars, and the good news is that you can replace the batteries on most key fobs without having to replace the entire case. You can purchase replacement fobs on Amazon that include all the electronics already installed, which means you can just pop open the case and replace the batteries in the original case. It is important to keep in mind that you'll have to remove the emergency key first, and you can do this by putting the small screwdriver flathead into the slot in the middle of the case. Move the screwdriver around the case until it is split open, making it easy to remove. If you're ready to change your keys, keep an extra set on hand. This will save you lots of money. If you have a spare you can request that the dealer cut a new key and program it to your car, which is cheaper than replacing the whole key fob. If you do not have a spare key, it is possible to add another key to your car, however this requires a lot research and effort. Adding a second key costs a few hundred dollars, and it requires programming of the car's computer. This can be done by a professional, however it's an expensive option for most owners. Replacement Ignition The new SAAB 9-3 has an alarm system that is more sophisticated built on a keycode. This means that should you lose only one working key, acquiring another one could be very costly since the car needs to have a computer module installed, and it must also be specifically programmed to accept a new key. Even dealers can charge hundreds of dollars to program a new key even if they're unable to complete the task. 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 an exchange, and they will charge top dollar for it. We can reprogram the current EEPROM in your car computer so that it is ready to accept an additional key. This will save you more than 50% on the cost you have to pay a dealer. If you've been an owner of an 03-11 SAAB 9-3, you likely have noticed that the ignition switch isn't all that durable. If the ignition key you have isn't working properly, you should consider replacing it. They can become very sticky and the buttons have been known to fall off. It's not as difficult as it seems to replace the ignition key. With the right tools, it is able to be accomplished in a matter of minutes.