How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have a unique set of steps to take to add a second key. This requires the use of a handheld computer, known as Tech-2 which is used by the dealer. Then a new key as well as transponder must be purchased and programmed to the car.
Rotate your keys to stop one from deteriorating faster than another. This will also help to keep your keys in top condition.
Replacement Case
Unlike the classic Saab keys of the past keys, the modern key fobs have electronics inside that make it difficult to copy. This has made car theft much more difficult than it was twenty years ago. But, it has also made replacing lost keys a comparatively expensive undertaking.
Every owner of a Saab 9-3 should have at a minimum two functioning keys. If one is lost it is expensive to get another one for the car since it requires replacing the CIM module and re-programming the locking cylinders. Dealers usually charge between $100-$200 for this.
There are a few ways to avoid the high price. Some parts providers will use the code of the spare key to cut a new metal blade for a fraction of the cost of the dealer. The key must, however, be identical to the original one to function properly in your vehicle.
You can also replace the case yourself by following these steps. You'll require an open-faced screwdriver and patience. With the screwdriver slowly pry the plastic apart and separate the emergency key from the case. When the case is opened take the electronics out and place them in your new case. Place the key with the correct badge into the case.
Replacement Battery
The Saab 9-3 replacement battery is a low-cost component that can be quickly and easily replaced. This YouTube video by Cyclone Cyd demonstrates how you can replace the battery for the remote fob in just four steps. This tutorial is compatible with any modern Saab key fob. However, saab key fob replacement could differ slightly.
The first step is to find the button that lets off the backup key within the fob. It's usually just below the Saab logo on the back of the fob. Then, use the flathead screwdriver to insert into the small hole of this button. This should be enough to unlock the case of the fob so that you can replace the battery.
Once you have installed the battery CR1632, you are able to restore your remote key fob. You can then program it into your car. The entire process should take no more than an hour, if not less. This is a very easy process that doesn't require any special tools.

The process is more complicated in the event that you lose the key, but it's possible. The dealer has to find the VIN number of the car and then request a replacement key blade and TWICE module, both with the correct unique code. After that, they will have to cut the replacement key and then program it with a brand new tool for programming called MDI.
Replacement Key Fob
The key fob is the device that locks and unlocks your car. It is equipped with a battery within. The batteries last for a period of and will eventually expire. This is a problem that occurs with all cars. The good news is that you can replace the battery in most key fobs, without having to replace the entire case. You can purchase fobs replacements on Amazon that include all the electronics already installed, so you can simply open the case and replace those batteries that are old. You will need to remove the emergency key before you can replace the batteries. To accomplish this, simply insert a small screwdriver that is flat into the slot that is in the middle. The case will split as you rotate the screwdriver around it.
If you're looking to replace your keys, have a spare in your possession. This will save you a lot of money. If you do have a spare, you can have the dealer cut an entirely new key and then program it to your car, which is cheaper than replacing the whole key fob.
It is possible to add another key to your vehicle even if you don't have one, however it requires some research and effort. The cost of adding a second key is a few hundred dollars, and it requires programming of the car's computer. This can be done by a professional, however it's a costly choice for most owners.
Replacement Ignition
Unlike the earlier Saab automobiles, the current SAAB 9-3 models feature a much more sophisticated alarm system that is dependent on a coded keys. If you lose only one key, it can be costly to get another one since the car needs to include a computer and also be programmed to accept a brand new key. Locksmiths typically aren't able to program this and even dealers can charge several hundred dollars to program the new key!
Dealers will charge you a premium to replace your car's computer (also called the CIM or SAAB twice) If you lose the only working key. We can reprogram the EEPROM on your car's computer to be prepared for a new key. This will save you more than 50% off the cost you have to pay an auto dealer.
If you've owned a 9-3 from SAAB for quite a while you are aware that the ignition keys aren't very durable. They can become extremely sticky, and the buttons can fall off of them every now and then, so you should consider replacing your ignition key if it isn't working as it should. Luckily, replacing the ignition key isn't as difficult as it sounds, and it can be done in a short time using the appropriate tools.