how to program saab 9-3 key fob to Replace a replacement saab 9-3 Key Key Fob
A saab key battery replacement fob that doesn't function correctly could cost you several hundred dollars at a retail store. But you can repair it yourself for much less.
You'll need a small flathead screwdriver to cut the case open and get into the electronics inside. A multimeter is also needed to test the battery.
Battery
The majority of replacement saab 9-3 key fobs will activate when you press an unlock button to lock your vehicle (or saab 9-5 key Replacement (visit link) start it if you own a car with keyless ignition). This is because they contain an internal battery that transmits an electronic signal to the vehicle to let it know that you're close enough to operate the starter button. If your starter button starts to behave in an irregular way, it's possible that the battery has damaged and needs to be replaced.
It is a fairly simple procedure, but you must be careful to not damage the electronics inside the fob.