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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners must follow a set of steps that are unique to add a second ignition key. It requires dealer service using a handheld computer called Tech-2. Then a new car key and transponder have to be purchased and then programmed to the car. It is a good idea to rotate your keys in order that one doesn't wear out more quickly than the other. This will also ensure that your keys remain in good condition. Replacement Case Unlike the classic Saab keys of the past, the new key fobs have electronics inside which makes it more difficult to make a copy. This has made theft of cars a lot more complicated than it was 20 years ago. It has also made it more expensive to replace lost keys. Every owner of a Saab 9-3 needs to have at least two working keys. It is expensive to replace a lost key because it requires replacing the CIM module, as well as reprogramming the locking cylinders. Dealers charge between $100 and $200 to do this. There are ways to avoid these high costs. Some parts suppliers will search for the code on an old key (usually the same one that opens the doors and switches the ignition) and cut a brand new key blade from metal for only a fraction of the dealer's cost. The key must be exactly the same as the original in order for it to function in your vehicle. You can also change the case yourself by following these steps. saab replacement key 'll require a flathead and patience. With the screwdriver, slowly pry the plastic apart and remove the emergency key from the case. When the case is opened remove all electronics and place them into the new case. Make sure you put the correct badge and key back into the case as well. Replacement Battery The Saab 9-3 replacement battery is a low-cost component that can be easily and quickly replaced. This YouTube tutorial for DIY user Cyclone Cyd explains how to replace the remote key fob battery in just four steps. This tutorial should work with any modern Saab key fob. However, the procedure might differ slightly. The first step is to locate the button that will release the backup key on the fob. This button is usually located on the back of the fob, right next to the Saab Logo. Use a flathead screwdriver to insert the screwdriver in the small hole on this button. This should be sufficient to open the fob 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, and then program it to your car. The entire process should not take more than an hour at most. This is a simple procedure that doesn't require special tools. The process is a bit more complicated in the event that you lose your key, but it's possible. The dealer will first need to read the VIN of the vehicle before requesting a replacement TWICE module and key blade that has the correct unique code. The dealer will then need to program the key using MDI an innovative 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 will eventually fail. It is a common problem that affects all cars. The good thing is that you can replace the battery in all key fobs without having to replace the entire case. Amazon sells replacement fobs that have all the electronic components in place. It is easy to pop the case open and replace the batteries. You will need to remove the emergency key before you can replace the batteries. To accomplish this, simply insert a small flathead screwsdriver into the slot that is in the middle of the. Move the screwdriver around the case, and it should split open, making it much easier to take it out. If you're ready to replace your keys, make sure you have a spare available. This will save you a lot of money. If you have spare keys, you can request that the dealer cut an entirely new key and then program it to the car, which is cheaper than replacing the whole key fob. It is possible to add a second key to your vehicle even if you don't have one, however it requires a great deal of research and effort. Adding a second key costs around a hundred dollars and it requires programming of the car's computer. Professionals can do this however, it's a costly option. Replacement Ignition Unlike the earlier Saab automobiles, the current SAAB 9-3 models feature an extremely sophisticated alarm system that is based on a coded key. This means that in the event that you lose your only working key, replacing it with another key can be extremely costly since the car needs to have a computer module added and it must also be programmed to accept an additional key. Dealers can even charge hundreds of dollars to program a new key even if they're unable to do it. Dealers will charge you the highest price to replace your car's computer (also called the CIM or SAAB twice) in the event that you lose the only working key. We can reprogram the existing EEPROM on your car's computer to be ready to accept an additional key. This will save you more than 50% on the cost you spend at an auto 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 the most durable. They can get extremely sticky and the buttons can fall off occasionally It is recommended that you consider buying a new one if the one you have isn't functioning properly. It's not as difficult as it appears to replace the ignition key. With the right tools, it can be accomplished quickly.