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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. It requires dealer support using a handheld computer called Tech-2. A new key and transponder have to be purchased and then programmed into the car. It is recommended to rotate your keys in order that one doesn't get worn out more quickly than the other. This will help to keep your keys in pristine condition. Replacement Case The new key fobs are not like the old Saab keys. They are equipped with electronics that make it difficult to duplicate. This has made car theft considerably more difficult than it was years ago. It has also made it more expensive to replace lost keys. Every owner of a Saab 9-3 must have at minimum two working keys. If one gets lost, it costs a fortune to add another to the car because it involves replacing the CIM module and reprogramming the locking cylinders. Dealers usually charge between $100 and $200 to complete this. There are ways to avoid these high costs. Some parts dealers will use the code of an extra key to cut a new metal blade for a fraction of the cost of the dealer. The key must be exactly the same as the original in order for it to work in your vehicle. Follow these steps to replace the case. You'll require a flathead screwdriver and some patience. Using the screwdriver, slowly pry the plastic apart and separate the emergency key from the case. After the case is open remove all electronics and put them in the new case. Make sure you put the correct key and badge back inside the case, too. Replacement Battery The Saab 9-3 replacement battery is a budget component that can be quickly and easily replaced. This YouTube DIY video Cyclone Cyd, a user on YouTube, explains how to replace the battery of the remote key fob in just four steps. This tutorial should work for any modern saab key fob, however, the procedure may differ slightly. The first step is to locate the button that releases the backup key within the fob. It's usually close to the Saab logo on the back of the fob. Use a flathead screwdriver to insert the screwdriver in the small hole on this button. This should be enough to open the fob's case to allow you to replace the battery. Once the new CR1632 battery is in place it is possible to reassemble the remote key fob, and then program it to your car. The entire process should take no more than a half hour at the most. This is a simple procedure that doesn't require special tools. The procedure is a little more complicated if you lose the key, but it's possible. saab 9 3 key replacement must determine the VIN of the car and then request a replacement key blade and TWICE module, both with 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 is the piece that locks and unlocks your car. It is equipped with batteries inside. The batteries have a lifespan that is a long time, and they eventually expire. This is a problem that affects all cars and the good thing is that you can replace the batteries on most key fobs without replacing the whole case. You can buy replacement fobs from Amazon that come with all the electronics already in place, so you'll just pop open the case and replace those batteries that are old. You'll need to take out the emergency key before you can replace the batteries. To do this, you need to insert a small screwdriver that is flat into the slot in the middle. The case will split as you rotate the screwdriver around it. If you're ready to replace your keys, have a spare in your possession. This can save you a lot of money. If you have an additional key, you can request the dealer to cut it and program it for your car. This is less expensive than purchasing a brand new key fob. If you don't have a spare one, 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 around a hundred dollars and also requires programming of the car's computer. This can be accomplished by a professional, however it's an expensive option for the majority of owners. Replacement Ignition The new SAAB 9-3 uses an advanced alarm system based on a key code. This means that if you lose your only working key, replacing it with another one can be very expensive because the car needs to have a specific computer module fitted and also needs to be specifically programmed to accept a new key. Most locksmiths cannot do this and dealers can charge several hundreds of dollars just to program the new key! If you've lost the only working key, a dealer will replace your car's computer (known as the CIM or SAAB TWICE) to make an exchange, and they will charge a premium for it. We can reprogram the EEPROM in your car computer so that it is prepared for a new key. This will save you more than 50% off the cost you would pay an auto dealer. If you have owned a 9-3 from SAAB for many years and you're aware of the ignition keys are not very durable. They can become extremely sticky and the buttons are known to fall off every now and then and you should think about getting a replacement if yours isn't working as it should. Fortunately, replacing the ignition key isn't as complicated as it sounds and is fairly easy to do with the appropriate tools.