NHTSA Complaint #11299296 — 2013 TESLA MODEL S

NHTSA ACTION NUMBER: DP19005 - INVESTIGATION SUBJECT : BATTERY MANAGEMENT SOFTWARE UPDATES. VIA SOFTWARE UPDATES, TESLA, SUDDENLY, INEXPLICABLY, REDUCED MAXIMUM VOLTAGE OF THE MAIN BATTERY. THE ACTION RESULTED IN INSTANT LOSS OF DISTANCE MILEAGE OF THE CAR OF 12 PERCENT, FROM 237 MILES TO 208 MILES. HORSEPOWER AND GENERAL PERFORMANCE OF THE CAR WAS ALSO REDUCED. TESLA HAS IMPLIED THAT THIS ACTION WAS TAKEN, FOR SELECTED TESLA CARS, OUT OF AN ABUNDANCE OF CAUTION AS A FIRE-SAFETY UPDATE, BUT OFFICIALLY NO SAFETY RECALLS RELATED TO THIS UNEXPLAINED ACTION HAVE BEEN ANNOUNCED. NO ONE ASSOCIATED WITH TESLA HAS OFFERED ANY FURTHER DETAILED EXPLANATION FOR THIS SUDDEN ACTION, WHICH, IN ADDITION TO REDUCING PERFORMANCE AND DISTANCE MILEAGE OF THE CAR, HAS ALSO REDUCED, OVERNIGHT, ITS INTRINSIC ASSET VALUE. THE RESULTS DESCRIBED HERE HAPPENED OVERNIGHT, WHILE THE CAR WAS AT REST---PARKED INSIDE A GARAGE.