If the Tesla’s screen won’t turn on or randomly shuts off or you’re unable to put the vehicle into Drive, Neutral or Park mode, then please take the following steps.
For Model 3: Press and hold both scroll wheels on either side of the steering wheel for up to 10 seconds and the main/central screen will reboot. While rebooting you may see the airbag icon become visible in the dash and hear some clicking noises.
For Model S and X:
For the driver’s dashboard/screen please press and hold both buttons above the scroll wheels on either side of the steering wheel for up to 10 seconds. Give it a few moments and the drivers dash/screen will reboot.
By holding down the two scroll buttons on the steering wheel, you can restart the vehicle's large 17-inch screen.