How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners must follow a set of specific steps to add a second ignition key. This requires the use of a handheld computer called Tech-2, to be used by the dealer. Then the transponder is replaced and a key must be purchased.
Rotate your keys to prevent one from deteriorating faster than another. This will help to keep your keys in pristine condition.
Replacement Case
In contrast to the traditional Saab keys of old, the new key fobs contain electronics which makes it difficult to make a copy. saab 9-3 key replacement has made theft of cars considerably more difficult than it was years ago. However, it also has made the replacement of lost keys a more expensive task.
Saab 9-3 owners must have two working keys. 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 programming the locking cylinders. Dealers charge between $100 and $200 for this.
There are ways to cut down on these high costs. Some parts suppliers will find the code on an old key (usually the same one that opens the doors and switches the ignition) and cut a brand new key blade from metal for only a fraction of the dealer's cost. The key must be exactly the identical to the original one for it to function in your vehicle.
You can also replace the case yourself by following these steps. You will need to have a flathead and a lot of patience. Utilizing the screwdriver, slowly pull the plastic apart and separate the emergency key from the case. Once the case has been opened take the electronics out and put them in the new case. Insert the correct key and badge inside the case.
Replacement Battery
The replacement battery for the Saab 9-3 is a cheap part that can be replaced easily and quickly. This YouTube video by Cyclone Cyd shows how to replace the battery for the remote fob in just four steps. This tutorial will work with any modern Saab key fob. However, the procedure may differ slightly.
The first step is to locate the button that will release the backup key on the fob. It is usually located close to the Saab logo on the back of the fob. Then, use a flathead screwdriver to insert into the tiny hole in this button. This should be enough to unlock the case of the fob to allow you to replace the battery.
After you have installed the new batteries CR1632, you can put back together your remote key fob. Then, you can program it into your car. The whole process should not take more than an hour. It is a very simple process that does not require any special tools.
If you lose a key the process will be somewhat more complex however it can be accomplished. The dealer must first read 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 be required to cut the replacement key and then program it with an innovative software tool called MDI.
Replacement Key Fob
The key fob is the piece that locks and unlocks your car. It has a battery within. The batteries last for a period of and will eventually expire. It is a common problem that affects all cars. The good news is you can replace the battery in all key fobs, and not have to replace the entire case. You can purchase fobs replacements on Amazon that have all the electronics already in place, so you'll simply open the case and replace the batteries that were in the case. It is important to keep in mind that you'll need to remove the emergency key first, and you can do this by inserting the small screwdriver flathead into the slot found in the middle of the case. The case will split as you move the screwdriver around it.
When you are ready to replace the keys, make sure you have spare keys, because this can cut down the total cost by a significant amount. If you have an additional key, you can request the dealer to cut it and program it for your car. This is much less expensive than buying a new key fob.
It is possible to add a second key to your vehicle even if you don't have one, but it will require some research and effort. It costs around a hundred dollars to get a second car key. The computer of the vehicle must also be programmed. This can be accomplished by a professional, however it's a costly option for the majority of owners.

Replacement Ignition
Unlike the earlier Saab automobiles, the new SAAB 9-3 models are equipped with an extremely sophisticated alarm system that is dependent on a coded keys. If you lose your sole key, it could be costly to purchase a new one since the car must include a computer and also be programmed to accept a new key. Most locksmiths can't do this and even a dealer will charge several hundred dollars to program the new key!
If you've lost your sole working key the dealer will replace your car's computer (known as the CIM or SAAB TWICE) in order to make the replacement, and will charge you the highest price for it. We can reprogram the current EEPROM of your car's computer so that it's ready for an extra key. This will save you more than 50% of the price you'd have to pay the dealer.
If you've been a faithful owner of a 03-11 SAAB 9-3, you likely have noticed that the ignition switch isn't really all that robust. If the ignition key you have isn't functioning properly, it is time to consider replacing it. They can become extremely sticky and the buttons are known to fall off. It's good to know that replacing the ignition key isn't as difficult as it seems and can be done in a short time using the right tools.