How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have to follow a series of specific steps to add a second ignition key. It requires dealer assistance using a handheld computer dubbed Tech-2. Then a new key as well as transponder must be purchased and then programmed into the car.

Rotate your keys to stop one from wearing out quicker than another. This will help keep your keys in top condition.
Replacement Case
The new key fobs aren't like the older Saab keys. They're equipped with electronic devices which make it hard to copy. This has made stealing cars considerably more difficult than it was a few years ago. It also makes it more costly to replace keys that were lost.
Every owner of a Saab 9-3 needs to have at least two working keys. It is expensive to replace a lost key as it requires replacing the CIM module, and reconfiguring the locking cylinders. Dealers usually charge between $100-$200 to do this.
There are some ways around these high cost. Some parts providers will use the code of a spare key to cut a brand new metal blade for a fraction of that of a dealer. The key must be the exact same as the original to allow it to function in your vehicle.
You can also change the case yourself by following these steps. You will need a flathead screwdriver as well as some patience. Using the screwdriver, slowly pull the plastic apart and separate the emergency key from the case. After the case is open, remove all electronics and put them back in your new case. Place the key with the correct badge into the case.
Replacement Battery
The Saab 9-3 replacement battery is a budget part that can be quickly and easily replaced. The YouTube video of Cyclone Cyd demonstrates how you can replace the remote fob battery in only four steps. This tutorial is suitable for any modern saab key fob though the process may vary slightly.
The first step is to find the button that lets off the backup key on the fob. The button is usually found on the back of your fob close to the Saab Logo. Then, use a flathead screwdriver into the tiny hole in this button. This should be enough to allow you to open the fob case so that you can replace the battery.
Once you have installed the new batteries CR1632, you can reassemble your remote key fob. You can then program it into your car. The whole process should take more than a half hour at the most. It's a very easy process that does not require any special tools.
The procedure is a little more complex if you lose your key, but still possible. The dealer must determine the VIN of the car and then request a replacement key blade and a TWICE module with the correct unique code. After that, they will have to cut the new key and then program it with an innovative software tool called MDI.
Replacement Key Fob
The key fob is equipped with a battery that is used to lock and unlock your car. The batteries last for a period of and eventually die. It's a common issue in all vehicles. The good thing is that you can change the batteries in most key fobs, and not have to replace the entire case. You can buy fobs replacements on Amazon that come with all the electronic components already in place, so you'll simply open the case and replace the old batteries. You'll need to take out the emergency key before you replace the batteries. To do this, you need to insert an small screwdriver with a flat head into the slot in the middle of the. The case will split once you move the screwdriver around it.
If you're ready to replace your keys, be sure to have a spare available. saab 93 replacement key The Keylab will save you lots of money. If you have a spare, you can ask the dealer cut an entirely new key and then program it to your car, which is much cheaper than replacing the whole key fob.
If you don't have a spare one, you can add an additional key to your car, however this requires a lot of research and effort. Adding a second key costs a few hundred dollars, and it requires programming of the car's computer. This can be accomplished by a professional, but it's a costly option for most owners.
Replacement Ignition
The new SAAB 9-3 uses a more sophisticated alarm system built around a key code. This means that should you lose only one working key, replacing it with another one can be very expensive because the car needs to have a unique computer module fitted and must also be specifically designed to accept a different key. Dealers can even charge hundreds of dollars to program a new key when they are not able to do it.
Dealers will charge you a high price to replace your car's computer (also known as the CIM or SAAB twice) when you lose your only functioning key. Instead we can reprogram the EEPROM in your current car computer to prepare it to accept a second key, and save you over 50% of what you'll pay at a dealership.
If you've owned a 9-3 from SAAB for an extended period of time, you know that the ignition keys aren't very durable. They can get extremely sticky and the buttons are known to fall off occasionally and you should think about getting a replacement if yours isn't working as it should. It's not as difficult as it seems to replace the ignition key. With the right tools, it is able to be accomplished quickly.