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 an electronic handheld computer, referred to as Tech-2 that is operated by the dealer. Then a new car key and transponder are required to be purchased and then programmed to the car.
It is a good idea to rotate your keys so that one doesn't wear out more quickly than the other. This will also help keep your keys in top condition.
Replacement Case
The new key fobs are not like the old Saab keys. They feature electronic components that make them difficult to duplicate. That has made car theft a lot more difficult than it was a few years ago. But, it has also made replacing lost keys a comparatively costly endeavor.
Every owner of a Saab 9-3 should have at least two functioning keys. It costs a fortune to replace a lost key, as it requires replacing the CIM module, as well as changing the locking cylinders. saab car keys between $100-$200 for this.
There are ways to reduce these costly costs. Some parts providers will use the code of an extra key to cut a new metal blade at a fraction the cost of the dealer. The key must be the exact same as the original in order for it to function in your vehicle.
You can also change the case yourself by following these steps. You'll need a flathead and patience. With the screwdriver slowly break the plastic and then separate the emergency key from the case. When the case is opened, remove all electronics and place them into your new case. Put the correct key and badge into the case.
Replacement Battery
The replacement battery for the Saab 9-3 is an inexpensive part that can be replaced quickly and easily. This YouTube video by Cyclone Cyd shows how to replace the remote fob battery in just four simple steps. This tutorial is compatible 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 within the fob. This button is usually located close to the Saab logo on the back of the fob. Use a flathead to insert the screwdriver into the small hole on this button. This should be sufficient to let the fob case open so that you can change the battery.
After you have installed the new CR1632 batteries, you can put back together the remote key fob. You can then program it into your car. The entire process should take no more than an hour at most. It's a simple process that does not require any special tools.
If you lose a key, the process is more complicated but it is still able to be done. The dealer has to verify the VIN of the car, and then request a replacement key blade and TWICE module with the correct unique code. Then, they'll be required to cut the replacement key and then program it with a new software tool called MDI.
Replacement Key Fob
The key fob is a device that locks and unlocks your car, it's got an internal battery. The batteries last for a certain time, and they will eventually die. This is a regular issue that occurs with all vehicles, and the good news is that you can replace the batteries in a majority of fobs, without replacing the whole case. You can buy fobs replacements on Amazon that include all the electronics already in place, so you'll simply open the case and replace those batteries that are old. It is necessary to remove the emergency key before you replace the batteries. To do this, you need to insert a small screwdriver that is flat into the slot in the middle. The case will split as you turn the screwdriver around it.
If you're ready to change your keys, make sure you have a spare in your possession. This will save you a significant amount of money. If you have an extra key, ask the dealer to cut it in half and program it to your car. This is much cheaper than purchasing a new fob.
If you don't have a spare you can add a second key to your car, but this will require a lot of research and effort. The cost of adding a second key is a few hundred dollars, and it also requires the programming of the car's computer. Professionals can accomplish this however it's a costly option.

Replacement Ignition
As opposed to the earlier Saab vehicles, the latest SAAB 9-3 models have an upgraded alarm system that is dependent on a coded keys. This means that if you lose your only functioning key, getting another key can be extremely expensive because the car needs to have a computer module installed and it also needs to be specifically programmed to accept an additional key. Dealers can charge hundreds of dollars to program the new key when they are not able to do it.
If you've lost only one working key and a dealer is able to replace your car's computer (known as the CIM or SAAB TWICE) to make a replacement, and will charge you a premium price for it. We can reprogram the existing EEPROM inside your car's computer to make it ready for an additional key. This will save you more than 50% of what you would have to pay an auto dealer.
If you've been a long-time owner of an 03-11 SAAB 9-3, you likely realize that the ignition key isn't all that robust. They can become incredibly sticky and the buttons can fall off of them at times which is why you should think about purchasing a new one if yours isn't working properly. It's not so difficult as it may seem to replace the ignition key. With the appropriate tools, it could be done quickly.