2013 tesla s 13k miles its happened 1/2 dozen times, drive the car park the car 1/2 later back in car range went from 170 miles left to 20 miles battery charge level restricted park the car get back in car 170 miles are back on the display no warning on dash.problem is getting worse ,today range down to 10 miles while i was driving display said shutting vehicle car came to a stop waited 1/2 back in car 30 miles on display got back home let it sit 1 hour back in car display 130 all displays are gone car is driving .please help