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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have a unique set of steps to add an additional key. It requires dealer assistance using an electronic handheld computer called Tech-2. Then a new key as well as transponder need to be bought and then programmed into the car. It is a good idea to rotate your keys in order that one doesn't get worn out more quickly than the other. This will keep your keys in top condition. saab 9 3 key replacement G28CarKeys Unlike the classic Saab keys of the past keys, the new keys have electronic components that make it difficult to copy. This has made stealing cars significantly more difficult than 20 years ago. But, it has also made the replacement of lost keys a comparatively expensive undertaking. Saab 9-3 owners should have two working keys. It is expensive to replace a lost key because it requires replacing the CIM module, and changing the locking cylinders. Dealers charge between $100 and $200 to do this. There are ways to cut down on these costs. Some parts suppliers will look up the code on an old key (usually the same one that opens the doors and turns the ignition) and cut a new metal key blade at only a fraction of the dealer's cost. The key must, however, be identical to the original one in order to function in your car. You can also replace the case yourself by following these steps. You'll need a flathead screwdriver and some patience. With the screwdriver, you can pry off the plastic and then remove the emergency key. When the case is opened take the electronics out and place them in your new case. Be sure to put the correct badge and key back into the case, as well. Replacement Battery The Saab 9-3 replacement battery is a cheap part that can be easily and quickly replaced. This YouTube tutorial for DIY Cyclone Cyd, a user on YouTube, explains how to replace the battery for the remote key fob in just four steps. This tutorial should work for any modern saab key fob however, the procedure may differ slightly. This button is usually placed near the Saab logo on the back of the fob. It's usually just below the Saab logo on the back of the fob. Use a flathead to insert the screwdriver into the tiny hole on this button. This should be enough to open the case of the fob so that you can replace the battery. Once you have installed the new battery CR1632, you are able to put back together your remote key fob. Then, you can program it into your car. The entire process should not take more than one hour. It's a simple procedure that doesn't require special tools. If you lose a key, the procedure will be a bit more involved, but it can still be completed. The dealer must first read the VIN of the vehicle before requesting an alternative TWICE module, as well as a key blade with the correct unique code. The dealer will then have to program the key using MDI, a brand new software tool. Replacement Key Fob The key fob comes with batteries that are used to lock and unlock your car. Batteries have a finite lifespan and eventually die. It is a common problem in all vehicles. The good news is you can change the batteries in most key fobs without having to replace the entire case. You can purchase replacement fobs from Amazon that come with all the electronic components already in place, so you'll just pop open the case and replace the batteries that were in the case. It is important to keep in mind that you'll need to remove the emergency key first. you can do this by inserting the screwdriver of a small flathead into the slot that is located in the middle of the case. Work the screwdriver around the case, and it should split open, making it simple to remove. When you're ready to replace the keys, ensure that you have a spare as this will reduce the total cost by a significant amount. If you have an additional key, you can ask the dealer to cut it and program it to your car. This is much less expensive than purchasing a brand new key fob. It is possible to add a second key to your vehicle If you don't already have one, however it requires some research and work. The cost of adding a second key is about a few hundred dollars and it also requires programming of the car's computer. This can be done by a professional, however it's an expensive option for the majority of owners. Replacement Ignition Unlike earlier Saab vehicles, the latest SAAB 9-3 models use an extremely sophisticated alarm system that is built around a coded key. If you lose your sole key, it may be costly to purchase a new one, as the car has to have a special computer added and also be programmed to accept a brand new key. Most locksmiths cannot do this or even a dealer will charge several hundred dollars just to program the new key! Dealers will charge you a premium to replace your car computer (also called the CIM or SAAB twice) in the event that you lose your sole working key. Instead, we can reprogram the EEPROM in your current car computer to prepare it for a new key, and save you over 50% of what you'll have to pay at a dealership. If you have owned a 9-3 from SAAB for quite a while and you're aware of the ignition keys aren't very durable. If your ignition key isn't working properly, you should look into replacing it. They can become extremely sticky and the buttons are known to fall off. It's not as difficult as you think to replace the ignition key. With the right tools, it can be accomplished quickly.