How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have a unique set of steps to take to add an additional key. This requires the use of a handheld computer called Tech-2 which is used by the dealer. Then the transponder is replaced and a key have to be purchased. It is recommended to rotate your keys so that one doesn't get worn out more quickly than the other. This will help keep your keys in good condition. Replacement Case The new key fobs aren't like the old Saab keys. They're equipped with electronic devices that make it difficult to duplicate. This has made stealing cars significantly more difficult than 20 years ago. However, it also has made the replacement of lost keys an incredibly expensive task. Saab 9-3 owners should have two working keys. It is costly to replace a lost key as 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 reduce these costly. Some parts suppliers will search for the code on an extra key (usually the same one that opens the doors and turns the ignition) and cut a new metal key blade for only a fraction of the dealer's cost. The key must be the exact same as the original to allow it to function in your vehicle. Follow these steps to replace the case. You will need to have an open-faced screwdriver and patience. With https://www.thekeylab.co.uk/saab-car-keys/ , you can pry off the plastic and then remove the emergency key. Once the case has been opened take the electronics out and place them in the new case. Make sure you insert the correct key and badge inside the case. Replacement Battery The Saab 9-3 replacement battery is a cheap component that can be easily and quickly replaced. The YouTube video of Cyclone Cyd shows how to replace the remote fob battery in just four steps. This tutorial should work with any modern Saab key fob. However, the process could differ slightly. The first step is to find the button that lets off the backup key on the fob. It is usually located next to the Saab logo on the back of the fob. Use a flathead screwdriver to insert the screwdriver into the small hole in this button. This should be sufficient to allow you to open the fob case so that you can change the battery. Once the new CR1632 battery is in place then you can reassemble your remote key fob and then program it to your car. The whole process should take more than an hour, if not less. It is a simple process that does not require any special equipment. If you lose a key, the process is more complicated, but it can still be completed. The dealer needs to first determine the VIN of the vehicle and then order an additional 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 comes with an internal battery that is used to lock and unlock your vehicle. Batteries are able to last for a short time and eventually will die. It's a common issue 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. You can purchase replacement fobs from Amazon that include all the electronics already installed, so you can just pop open the case and replace the batteries in the original case. It is important to remember that you'll need remove the emergency key first, and you can do this by putting the small screwdriver flathead into the slot that is located in the middle of the case. The case will split when you move the screwdriver around it. If you're about to replace your keys, ensure you have a spare, as this will reduce the total cost by a significant amount. If you have spare keys, you can ask the dealer cut an entirely new key and then program it to the car, which is much cheaper than replacing the whole key fob. If you do not have a spare key you can add a second key to your car, but this will require a lot of research and effort. It can cost a few hundred dollars to purchase an additional car key. The computer of the car also needs to be programmed. Professionals can accomplish this however, it's a costly option. Replacement Ignition The modern SAAB 9-3 has an advanced alarm system that is based on a key code. If you lose your only key, it may be costly to replace it with another one since the car must include a computer and be programmed to accept a brand new key. Dealers can even charge hundreds of dollars to program an entirely new key, if they are unable to complete the task. If you've lost the only working key the dealer will replace the computer in your car (known as the CIM or SAAB TWICE) to make the replacement, and will charge you the highest price for it. Instead, we can reprogram the EEPROM on your existing car computer to make it ready for a replacement key, which will save you more than 50% of what you'd pay at a dealership. If you've been a long time owner of an 03-11 SAAB 9-3, then you likely realize that the ignition key isn't the most robust. If the ignition key you have isn't working correctly, you should look into replacing it. They can become sticky and the buttons have been 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 in a matter of minutes.