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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 support using the handheld computer known as Tech-2. Then, a new transponder and 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 also help keep your keys in top shape. Replacement Case The new key fobs do not look like the old Saab keys. They are equipped with electronics that make it difficult to copy. This has made theft of cars much more difficult than it was twenty years ago. However, it has made the replacement of lost keys a comparatively expensive endeavor. Saab 9-3 owners must have two keys that work. If one is lost it costs a lot of money to get another one for the car, as it requires replacing the CIM module and reprogramming the locking cylinders. Dealers charge between $100 and $200 for this. There are several ways to get around the high price. Some parts providers can look up the code on a spare key (usually the same one that opens the doors and turns on the ignition) and cut a brand new metal key blade at only a fraction of the dealer's cost. The key must, however, be the same as the original one to function properly within your car. Follow these steps to replace the case. You'll need a flathead and a lot of patience. With the screwdriver, pry apart the plastic, and then take off the emergency key. Once the case is open, remove the electronic components and place them inside the new case. Make sure to insert the correct key and badge back inside the case, too. Replacement Battery The Saab 9-3 replacement battery is an inexpensive part that can be quickly and easily replaced. This YouTube tutorial for DIY Cyclone Cyd, a user on YouTube, explains how to replace the battery of the remote key fob in just four steps. This tutorial is suitable for any modern saab key fob , however the procedure might differ slightly. The button is typically located next to the Saab logo on the back of the fob. This button is usually located close 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 unlock the case of the fob so that you can replace the battery. After the new battery CR1632 is installed then you can reassemble your remote key fob. You can then program it to your car. The procedure should take no more than an hour, if not less. It's a very easy process that does not require any special equipment. If you lose your key, the process will be slightly more complicated but it is still able to be completed. The dealer has to first verify the VIN of the vehicle, and then purchase an additional TWICE module and key blade that has the correct unique code. After that, they'll need to cut the replacement key and then program it using a new software tool called MDI. Replacement Key Fob The key fob has batteries that are used to lock and unlock your car. The batteries last for a period of and will eventually go out of service. This is a problem that occurs in all vehicles. The good news is that you can change the batteries in most key fobs, without having to replace the entire case. Amazon sells fobs for replacement that already have all the electronics in place. You can simply pop the case open and replace the batteries. You'll need to remove the emergency key before you replace the batteries. To do this, place a small flathead screwsdriver into the slot in the middle. The case should split when you turn the screwdriver around it. If you're about to replace the keys ensure you have a spare because this can cut down the total cost by a substantial amount. If you have spare keys, you can ask the dealer cut the new key and program it to the car, which is much cheaper than replacing the entire key fob. If you do not have a spare key one, you can add another key to your car, but this will require a lot of research and effort. A second key can cost several hundred dollars and it also requires the programming of the car's computer. Professionals can accomplish this but it's not a cheap option. Replacement Ignition The new SAAB 9-3 is a more sophisticated alarm system based on a key code. If you lose your primary key, it may be costly to replace it with another one since the car must have a special computer added and also be programmed to accept a new key. Locksmiths typically aren't able to program this, and even dealers can charge several hundred dollars to program the new key! If you've lost only one working key and a dealer is able to replace the computer in your car (known as the CIM or SAAB TWICE) to create an exchange, and they will charge you the highest price for it. We can reprogram the current EEPROM in your car computer so that it's ready to accept an additional key. This will save you more than 50% of what you would pay at the dealer. If you have owned a car like the SAAB 9-3 for quite a while you're aware that the ignition keys are not very durable. If the ignition key you have isn't functioning properly, you must consider replacing it. They can become extremely sticky and the buttons have been known to fall off. It's good to know that replacing the ignition key isn't as complicated as it sounds, and it is fairly easy to do with the proper tools.