How to Replace the Replacement Key Battery For the Saab 9-3
Saab owners have to follow a series of special steps to install an additional ignition key. This requires the use of a handheld computer called Tech-2 that is operated by the dealer. Then the transponder is replaced and a key have to be purchased.
It is a good idea to rotate your keys so that one doesn't wear out faster than the other. This will also keep your keys in top condition.
Replacement Case
The new key fobs for keys are not like the old Saab keys. They're equipped with electronic devices that make it difficult to copy. This has made stealing cars a lot more difficult than it was a few years ago. It also makes it more expensive to replace lost keys.
Every owner of a Saab 9-3 must have at least two working keys. If one gets lost, it costs a lot to add another to the car since it requires replacing the CIM module, and then reprogramming the locking cylinders. Dealers charge between $100 and $200 to do this.
There are some ways around these costly. Some parts retailers will search for the code on an extra key (usually the same one that opens the doors and switches the ignition) and cut a new key blade out of metal for only a fraction of the dealer's cost. The key, however, must be identical to the original in order to function within your car.
Follow these steps to replace the case. You'll need a flathead screwdriver as well as some patience. With the screwdriver, break off the plastic and then remove the emergency key. When the case is opened, remove all electronics and put them back in your new case. Make sure you insert the correct badge and key back in the case too.
Replacement Battery
The replacement battery for the Saab 9-3 is a low-cost component that can be replaced quickly and easily. Cyclone's YouTube video Cyd demonstrates the procedure for replacing the remote fob battery with just four steps. This tutorial is suitable for any modern-day saab key fob however the procedure might differ slightly.
The first step is to locate the button that releases the backup key within the fob. This button is usually on the back of your fob just below the Saab Logo. Next take an screwdriver with a flat head to insert into the small hole of this button. This should be sufficient to open the case so that you can replace the battery.
After the new battery CR1632 is in place it is possible to reassemble the remote key fob, and then program it to your car. The whole process should take more than an hour at most. It's a simple process that does not require any special tools.

The process is more complicated in the event that you lose your key, but it's possible. The dealer has to read the car's VIN and then purchase a replacement key blade and TWICE module, both with the proper unique code. The dealer will then have to program the key using MDI, a new software tool.
Replacement Key Fob
The key fob is the device that locks and unlocks your car. It is equipped with an internal battery. The batteries last for a certain time and will eventually expire. This is a problem that occurs with all vehicles and the good thing is that you can replace the batteries in many key fobs without replacing the entire case. Amazon sells fobs for replacement that already have all the electronics installed. You can simply remove the case and replace the batteries. It is important to keep in mind that you'll need take out the emergency key first, and you can accomplish this by inserting the screwdriver of a small flathead into the slot in the middle of the case. The case will split when you move the screwdriver around it.
If you are about to replace the keys ensure that you have spare keys, as this can reduce your total cost by a significant amount. If you have spare keys, you can ask the dealer to cut an entirely new key and then program it into your car, which is cheaper than replacing the entire key fob.
If you do not have a spare key car key, you can add another key to your car, however this requires a lot of research and effort. It costs around a hundred dollars to purchase a second car key. The computer in the car must also be programmed. This can be done by a professional, however it is an expensive option for most owners.
Replacement Ignition
The latest SAAB 9-3 is an alarm system that is more sophisticated that is based on a key code. saab 9-3 key programming g28carkeys.co.uk that should you lose only one working key, adding another key can be extremely expensive as the car has to have a unique computer module added and it also must be specially designed to accept a different key. Dealers can charge hundreds of dollars to program an entirely new key, in the event that they are unable to complete the task.
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 the highest price for it. We can reprogram the current EEPROM inside your car's computer to make it ready for an additional key. This will save you more than 50% of the cost you would pay at the dealer.
If you've been a long-time owner of a 03-11 SAAB 9-3, then you likely realize that the ignition key isn't all that robust. If your ignition key isn't functioning properly, it is time to consider replacing it. They can become extremely sticky and the buttons can fall off. It's not so difficult as it may seem to replace the ignition key. With the right tools, it is able to be accomplished in a short time.