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  1. I

    Battery Heater Not Enabling via App

    I get about 50% of my regen in the morning because I park in the garage (~45-50F) and charge for about an hour @40A. I use TeslaFi to have a custom charge schedule per day.
  2. I

    Battery Heater Not Enabling via App

    Upgrading to 40.2.1 made no difference either. I had 14kW of regen and peak power of 290kW after 45 min of precondition on my S75D AP2/MCU1 (28F outside).
  3. I

    Battery Heater Not Enabling via App

    My battery heater/icon used to work on iOS. Definitely is not working now. Obviously a lot a software revisions between now and last winter here in NJ. I never use range mode. I want the battery heater to engage while at work to make regen and the driving experience more natural. Selfish...
  4. I

    Battery Heater Not Enabling via App

    I have the same issue on my 2017 Model S AP2 car. I have 36.2.1 and the precondition will not turn the battery heater on. I waited 45 min no luck. I walk get in the car and notice virtually no regen available (max of 10kW or so). I then noticed and cofirmed via PowerTools that my car was now...
  5. I

    Dolby surround gone on MCU1 AP2.5 2017 Oct build

    On my 2017 Model S with 2018.42.2, I too have to keep re-enabling the Dolby Surround. I haven't seen it switch to immersive. Anyone get feedback from Tesla/service center on this issue? They wanted to send mobile service to my car but I'm pretty confident this is a firmware bug related to V9...