Just finished a 2,000 mile trip up to Vancouver, no problems, perfect. Had my 25,000 mile service done just before I left. Day after I got back went to pick up a couple of neighbors a mile from me, and as I leave after picking them up, I accelerate on a long straight stretch of highway. And "POP" goes the car, and warning lights and the car shuts down. Claimed the 12v battery had issues. I pull over, the car dead sticking it. My dear 30,000 mile Tess is dead in the water. A call to Tesla Roadside, after a rather length hold, got a tow truck on it's way. I had remembered reading some time ago, that if the 12v battery goes, the "Tow" mode becomes unavailable, so I managed to get it selected. About 5 minutes later, the computers/screens went black. Tess is on her way to a service center, and will find out more on Monday. Bummer.