I was driving from Richmond to Florida Sunday, got to Rocky Mount. Car went into shutdown mode at 75mph hour. It was crazy . I left Richmond with 200 miles charge. I was going 115 miles.all of sudden my range went to zero. Got message to pull over immediately. I was on I95. Total shock set in very fast, within 1 minute I was dead. I called Tesla. Take car to Service Center. U idiot I'm 100 miles away. What's wrong? Your 12v battery is dead. WHY? No warning, zero. I took to super charger 2 miles away. Took 6 calls to help I got a women who knew how to get door open, pin down to allow charge. She said 12v battery had to be above 13 volts. Need big truck alternator to jump Tesla to gain 13 volts. Called tow guy, we jumped from truck. Took 30 minutes to get car battery to 13v, and car came alive. Charged up to 180 miles. It all went fine next guy said ""it will happen again if you try to drive to Florida ""
I decided to trailer it home. I got home last night,.. magically, 14.5 volts. After flashers on all day. Just magic.
Plugged in car last night, 14.7 volts . Unplugged car. Hour later 12.5. I will change battery
Takes DSC-33IT.