The high tech wheel alignment

I had to schedule a front end alignment for my car today (bought new tires and figured it was time to get the wheels aligned too). So, I called up my local auto repair shop for an appointment. The friendly voice asked about the year and model of my car. To my surprise, he then said, "Let me see if we have the software upgrade to do that car." Now, I know cars are high tech and all, but front end alignments that require software upgrades?!? Can anyone point me to the open source software for front end alignments? :)