Power Cycling the Vehicle Tesla Model S

If your car exhibits unexpected behaviour or displays a generic alarm, you might try power cycling it to see if the problem is resolved. 

• Put the car in park.
• Touch 'Controls' > 'Safety & Security' > 'Power Off' on the touchscreen. 
• Do not interact with the car for at least two minutes. Open the doors, don't touch the brake pedal, don't touch the touchscreen, and so on.
• To wake the vehicle, hit the brake pedal after two minutes has passed.

Disclaimer:
Tesla, Inc. was not involved in the development of this document and did not provide any input or otherwise edit, review or authorize it.