How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners must follow a set of special steps to install a second ignition key. This requires the use of a handheld computer called Tech-2 that is operated by the dealer. Then a new key and transponder must be purchased and then programmed into the car.
Make sure to rotate your keys in order to prevent one from wearing out more than another. This will keep your keys in pristine condition.
Replacement Case
Unlike the classic Saab keys of the past keys, the modern key fobs contain electronics which makes it more difficult to create a duplicate. This has made car theft significantly more difficult than 20 years ago. It has also made it more expensive to replace lost keys.
Saab 9-3 owners should have two keys working. It's expensive to replace a lost key, as it requires replacing the CIM module, as well as programming the locking cylinders. Dealers charge between $100-$200 to do this.
There are ways to avoid these costs. Some parts dealers will use the code of an old key to cut a brand new metal blade for a fraction of the price of the dealer. The key must, however, be identical to the original one in order to function in your vehicle.
You can also replace the case yourself by following these steps. You'll require a flathead screwdriver as well as some patience. Using the screwdriver, slowly pull the plastic apart and separate the emergency key from the case. Once the case is open, remove the electronics and place them inside your new case. Make sure you 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. Cyclone's YouTube video Cyd demonstrates the procedure for replacing the battery for the remote fob in just four simple steps. This guide should work with any modern saab key fob, however, the procedure may differ slightly.
The first step is to find the button that opens the backup key on the fob. The button is usually found on the back of the fob close to the Saab Logo. Next, use saab 9-3 key replacement to insert into the small hole inside this button. This should be enough to let the fob case open in order to 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 at most. It is a simple procedure that doesn't require any special equipment.

If you lose a key the process will be slightly more complicated however, it can be accomplished. The dealer will need to find the VIN number of the car and then order a replacement key blade and TWICE module that has the proper unique code. After that, they will need to cut the replacement key and then program it using a brand new tool for programming called MDI.
Replacement Key Fob
The key fob is the device that locks and unlocks your car, it has a battery inside. Batteries have a limited lifespan and eventually die. It's a common issue in all vehicles. The good news is that you can replace the battery on most key fobs without having to replace the entire case. Amazon sells replacement fobs that already have all the electronics installed. It is easy to open the case and replace the batteries. You'll need to take out the emergency key before you replace the batteries. To do this, place the screwdriver of a small flat head into the slot in the middle of the. Work the screwdriver around the case until it is split open, making it simple to take it out.
If you're looking to replace your keys, keep a spare in your possession. This will save you lots of money. If you have an extra key, you can ask the dealer to cut it and program it for your vehicle. This is much less expensive than buying a new key fob.
If you don't have a spare you can add another key to your car, but this will require a lot of research and effort. Adding a second key costs around a hundred dollars and it also requires programming of the car's computer. This can be accomplished by a professional, but it's a costly choice for the majority of owners.
Replacement Ignition
The current SAAB 9-3 uses an alarm system that is more sophisticated built around a key code. If you lose only one key, it could be costly to purchase a new one, as the car has to have a specific computer installed and be programmed to accept a new key. Locksmiths typically aren't able to program this and even a dealer will charge several hundreds of dollars just to program the new key!
If you've lost your only working key, a dealer will repair the computer in your car (known as the CIM or SAAB TWICE) in order to make a replacement, and will charge you a premium price for it. We can reprogram the current EEPROM of your car's computer to make it prepared for a new key. This will save you more than 50% off what you would have to pay the dealer.
If you have owned a SAAB 9-3 for an extended period of time, you know that the ignition keys aren't very durable. They can become incredibly sticky, and the buttons are known to be removed from them from time to time It is recommended that you consider replacing your ignition key if it isn't working as it should. It's not as difficult as it appears to replace the ignition key. With the right tools, it is able to be accomplished in a matter of minutes.