How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have to follow a series of special steps to install a second ignition key. It requires dealer assistance using a handheld computer called Tech-2. Then the transponder must be replaced and a key must be purchased. Rotate your keys to prevent one from wearing out more than another. This will also keep your keys in good condition. Replacement Case The new key fobs do not look like the old Saab keys. They feature electronic components that make it difficult to duplicate. This has made theft of cars significantly more difficult than 20 years ago. However, it has also made the replacement of lost keys a much more expensive task. Every owner of a 9-3 Saab should have at minimum two working keys. It costs a fortune to replace a lost or damaged key since it requires replacing the CIM module, and reconfiguring the locking cylinders. Dealers typically charge between $100 and $200 for this. There are ways to reduce these expensive. Some parts providers will use the code of the spare key to cut a brand new metal blade for less than what the dealer charges. 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. https://www.thekeylab.co.uk/saab-car-keys/ 'll require an open-faced screwdriver and patience. With the screwdriver you can pull apart the plastic and remove the emergency key. After the case is open remove all electronics and put them back in the new case. Make sure you put the correct badge and key back into the case as well. Replacement Battery The replacement battery for the Saab 9-3 is an affordable component that can be replaced quickly and easily. This YouTube tutorial for DIY Cyclone Cyd, a user on YouTube, explains how to replace the battery of the remote key fob in only four steps. This tutorial should work with any modern Saab key fob. However, the process might differ slightly. The button is typically located near the Saab logo on the back of the fob. This button is usually located next to the Saab logo on the back of the fob. Use a flathead to insert the screwdriver into the tiny hole in this button. This should be enough to open the case to allow you to change the battery. Once the new CR1632 battery is installed You can then reassemble the remote key fob. You can then program it to your car. The entire process should not take more than an hour. It's a simple procedure that doesn't require special tools. If you lose a key, the procedure will be somewhat more complex however it can be accomplished. The dealer has to first verify the VIN of the vehicle and then order a replacement TWICE module and key blade that is matched to the unique code. The dealer will then need to program the key using MDI, a new software tool. Replacement Key Fob The key fob has an internal battery that is used to lock and unlock your vehicle. The batteries last for a period of that is a long time, and they eventually go out of service. This is a problem that happens to all cars, and the good news is that you can change the batteries in most key fobs without replacing the entire case. Amazon sells replacement fobs that have all the electronic components installed. You can simply pop the case open and replace the batteries. You will need to remove the emergency key before you can replace the batteries. To do this, insert a small screwdriver that is flat into the slot in the middle of the. The screwdriver should be moved around the case until it is split open, making it much easier to take it out. When you're ready to replace the keys, ensure you have spare keys, because this can cut down your total cost by a substantial amount. If you have an extra key, you can ask the dealer to cut it and program it to your car. This is much cheaper than purchasing a new key fob. If you do not have a spare key, it is possible to add a second key to your car, however it requires a lot of research and effort. The cost for adding a second key is several hundred dollars and it also requires programming of the car's computer. This can be done by a professional, but it's a costly option for the majority of owners. Replacement Ignition Contrary to the earlier Saab automobiles, the new SAAB 9-3 models feature an upgraded alarm system that is built around a coded key. This means that when you lose your sole working key, acquiring another one can be very costly since the car needs to have a computer module installed, and it must also be specifically designed to accept a different key. Dealers can even charge hundreds of dollars to program an entirely new key, in the event that they are unable to complete the task. If you've lost only one working key, a dealer will replace your car's computer (known as the CIM or SAAB TWICE) in order to make the replacement, and will charge top dollar for it. Instead we can reprogram the EEPROM of your current car computer to prepare it to accept a second key, saving you over 50% of the price you spend at a dealer. If you've owned a SAAB 9-3 many years and you're aware of the ignition keys are not very durable. If the ignition key you have isn't working correctly, you should consider replacing it. They can become very sticky and the buttons can fall off. It's not as difficult as it seems to replace the ignition key. With the right tools, it is able to be done quickly.