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How to Replace the Replacement Key Battery For the Saab 9-3 Saab owners have a distinct procedure to add a second key. It requires dealer service using the handheld computer known as Tech-2. Then the transponder must be replaced and a key must be purchased. Rotate your keys to stop one from deteriorating faster than the other. This will help to keep your keys in good condition. Replacement Case In contrast to the traditional Saab keys of the past keys, the latest key fobs contain electronics which makes it hard to duplicate. This has made stealing cars a lot more difficult than it was twenty years ago. It also makes it more costly to replace keys that were lost. Saab 9-3 owners must have two keys that work. If one is lost, it costs a fortune to add another to the car since it requires replacing the CIM module, and then reprogramming the locking cylinders. Dealers charge between $100 and $200 for this. There are some ways around these high cost. Some parts suppliers will use the code of the spare key to cut a brand new metal blade for less than that of a dealer. The key must be exactly the identical to the original one for it to work in your vehicle. Follow these steps to replace the case. You will need to have an open-faced screwdriver and a lot of patience. With the screwdriver, break apart the plastic, and then take off the emergency key. Once the case has been opened remove all electronics and place them into the new case. Make sure you insert 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 easily and quickly. This DIY video from YouTube Cyclone Cyd, a user on YouTube, explains how to replace the battery of the remote key fob in only four steps. This tutorial can be used for any modern saab key fob however the procedure might differ slightly. This button is usually located next to the Saab logo on the back of the fob. This button is usually on the back of the fob just below the Saab Logo. Then take the flathead screwdriver to insert into the small hole in this button. This will allow you to open the case of the fob to allow you to replace 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 entire process should take no more than a half hour at the most. It's a very easy process that does not require any special tools. If you lose a key, the procedure will be somewhat more complex but it is still able to be completed. The dealer must first read the VIN of the vehicle and order an additional TWICE module and key blade with the proper unique code. The dealer will then need to program the key using MDI, a new software tool. Replacement Key Fob The key fob comes with a battery that is used to lock and unlock your vehicle. The batteries last for a period of, and they will eventually expire. This is a problem that affects all cars and the good thing is that you can replace the batteries in a majority of key fobs without having to replace the whole case. Amazon sells fobs for replacement that already have all the electronics in place. It is easy to remove the case and replace the batteries. It is important to note that you'll have to remove the emergency key first, and you can do this by inserting an incredibly small screwdriver with a flat head into the slot in the middle of the case. The case will split as you work the screwdriver all around it. If you're ready to replace your keys, keep a spare in your possession. This can save you a lot of money. If you have a spare you can ask the dealer cut a new key and program it to your car, which is cheaper than replacing the whole key fob. It is possible to add a second key to your vehicle if you don't already have one, but it takes some research and effort. It costs around a hundred dollars to add an additional car key. The computer of the car also needs to be programmed. Professionals can accomplish this but it's not a cheap option. Replacement Ignition The new SAAB 9-3 is an alarm system that is more sophisticated based on a key code. This means that should you lose only one working key, acquiring an additional one could be extremely expensive since the car has to have a computer module installed, and it also must be specially designed to accept a different key. Dealers can charge hundreds of dollars to program an entirely new key, if they are unable to do it. Dealers will charge you a high price to replace your car computer (also known as the CIM or SAAB twice) in the event that you lose the only working key. Instead we can reprogram the EEPROM of your current car computer to allow it to be programmed for a replacement key, and save you over 50% of what you'd be charged at a dealership. If you have owned a SAAB 9-3 many years and you're aware of the ignition keys are not very durable. They can get extremely sticky, and the buttons are known to be ripped off from time to time which is why you should think about buying a new one if the one you have isn't performing as it should. Fortunately, replacing saab 9-3 key fob replacement isn't as difficult as it sounds, and it can be done quickly with the appropriate tools.