Tesla S Owner's Manual page 53

Starting and Powering Off
2. Hold down both scroll buttons on the
steering wheel until the touchscreen turns
black and the Tesla logo appears.
3. Wait approximately 30 seconds for the
touchscreen to restart. If the touchscreen
is still unresponsive or demonstrating
unusual behavior after a few minutes,
contact Tesla.
Note: Restarting the touchscreen does not
power Model S off and on.
52 Model S Owner's Manual