I hear you. Mine left my wife stranded at the airport after a business trip. She was less than pleased. Took 30 mins for her to somehow get it to start but she had no speedo and a litany of errors on the SID. Won't drive it anymore. That's when I decided I had to buy a tech2. Can't imagine owning a Saab without it now.
<-- big fan of owning a tech2.
The answer is almost always....Tech2.
You can either buy one or be a slave to your mechanic/dealer when you need repairs. Your choice.
Never have less than TWO working key fobs.