After a spray-down at my local car wash bay last night, I was driving home when the center screen locked up. The music was still playing, but nothing would respond to touch. I rebooted with the old double-scrollwheel-hold but the screen never lit up again after going dark. No Tesla logo or anything. The instrument cluster wasn't affected, even though I accidentally rebooted that before the touchscreen. All touchscreen-managed functions are non-accessible, including AC, seat-heating, rear-window defrosting, etc.. I couldn't even turn on the vent fan or open the sunroof using the steering wheel controls. The car still drove fine so I wasn't panicking. It's actually serene with a dark screen and only the motor/road noise (plus the milling noise that I have going). After I got home and plugged the car in, I noticed that the current draw was at 12A, so it wasn't recognizing my normal 11A setting. I had limited functional access via the smartphone app, so while I could monitor charging, I couldn't flash the lights, lock/unlock the car, vent the roof, etc.. Even the trunk button (the one you use to set the hatch opening height) wasn't back-lit, although it functioned. Called Tesla support and they had me run through the screen reboot while holding the brake pedal down, but this didn't help. They pulled the logs for the Service Center for review. Haven't gotten a response back from anyone yet. This morning I noticed that when I get into the driver's seat and hit the brake pedal, the "Systems are powering on" message appears and I have to wait 30 seconds until pressing the brake actually allows me to put the car in drive. No improvement otherwise. I was hoping some charging would electrically kick the car awake. Other things I noticed today while the touchscreen is non-operational: the side mirrors don't fold in, nor tilt downwards when in reverse, nor are parking sensor feedback and Autosteer available (TACC works and the data from sensors are still shown in the instrument cluster). At least I can still manually open the windows. Also tried Supercharging today to see if that'll jiggle anything (grasping for straws here). No change. In the evening for a brief moment there was a noise that sounded like a microscopic slice of music looping as if the touchscreen system was trying to claw itself out of a grave by replaying the last bit of sound it was sending to the speakers the night before. It stopped after getting out of the car. So that's my interesting experience so far. Reference: S85, mid-09/2014 build (one of the first with Autopilot hardware before dual motor was announced), roughly 25k on the odometer. Does anyone know whether the hard-reset (pulling a fuse for half a minute, if I recall) is something that should only be done by the trained folks at the Service Center?