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. It requires dealer service with the handheld computer known as Tech-2. Then, a new transponder and key have to be purchased.
It is an excellent idea to rotate your keys in order that one doesn't get worn out more quickly than the other. This will also help keep your keys in good condition.
Replacement Case
Unlike the classic Saab keys of old keys, the modern key fobs have electronics inside which makes it more difficult to copy. This has made stealing cars considerably more difficult than it was years ago. It also makes it more expensive to replace keys lost.
Every owner of a Saab 9-3 must have at a minimum two functioning keys. It costs a fortune to replace a lost key as it requires replacing the CIM module, and reprogramming the locking cylinders. Dealers usually charge between $100-$200 to do this.
There are options to avoid the high cost. Some parts suppliers will use the code of a spare key to cut a brand new metal blade for a fraction of the price of the dealer. The key must be exactly the same as the original for it to function in your vehicle.
You can also change the case yourself by following these steps. You'll need a flathead screwdriver as well as some patience. With the screwdriver slowly pull the plastic apart and then separate the emergency key from the case. Once the case is open, remove the electronic components and place them into the new case. Be sure to put the correct key and badge back into the case, as well.
Replacement Battery
The Saab 9-3 replacement battery is a budget part that can be quickly and easily replaced. This video tutorial on DIY from YouTube Cyclone Cyd shows how to replace the battery of the remote key fob in just four steps. This tutorial can be used with any modern Saab key fob. However, the procedure might differ slightly.
This button is usually located close to the Saab logo on the back of the fob. This is usually located next to the Saab logo on the back of the fob. Next take a flathead screwdriver into the small hole inside this button. This should be sufficient to allow you to open the fob case in order to change the battery.

Once you have installed the new battery CR1632, you are able to reassemble your remote key fob. You can then program it into your car. The entire process should not exceed an hour. This is a very easy procedure that doesn't require special tools.
If you lose your key, the process is slightly more complicated but it is still able to be accomplished. The dealer has to find the VIN number of the car and then request a replacement key blade and TWICE module that has the exact unique code. G28CarKeys will then have to program the key using MDI, a brand new software tool.
Replacement Key Fob
The key fob is the piece that locks and unlocks your car. It has an internal battery. The batteries have a lifespan and eventually die. This is a regular issue that happens to all cars and the good news is that you can replace the batteries in a majority of key fobs without having to replace the whole case. You can buy replacement fobs from Amazon that include all the electronics already installed, which means you can simply open the case and replace the batteries in the original case. It is necessary to remove the emergency key before you replace the batteries. To do this, you need to insert a small flathead screwsdriver into the slot in the middle of the. The case will split when you move the screwdriver around it.
If you're planning to replace your keys, be sure to have a spare on hand. This will save you lots of money. If you have spare keys, you can request that the dealer cut a new key and program it to the car, which is much 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, but this requires a lot research and effort. It can cost a few hundred dollars to get an additional car key. The computer of the car must also be programmed. This can be done by a professional, however it's a costly option for most owners.
Replacement Ignition
The latest SAAB 9-3 uses an advanced alarm system that is based on a key code. This means that when you lose your sole working key, replacing it with another one could be very expensive because the car needs to have a specific computer module added and it also must be specially programmed to accept an additional key. The majority of locksmiths aren't able to do this and dealers can charge several hundreds of dollars just to program the new key!
Dealers will charge you top dollar to replace your car computer (also known as the CIM or SAAB twice) if you lose the only working key. We can reprogram the current EEPROM of your car's computer so that it is ready for an extra key. This will save you more than 50% off the price you'd spend at a dealer.
If you have owned a 9-3 from SAAB for a long time you are aware that the ignition keys aren't very durable. If your ignition key is not working correctly, you should look into replacing it. They can become extremely sticky and the buttons are known to fall off. The good news is that replacing the ignition key isn't as complicated as it seems, and it can be done quickly using the right tools.