NAO - Turning OFF

This article explains how to turn NAO off:

Regular turn off

Make sure NAO is in a safe position, or he may fall. You could also place a hand on its back to keep it in position. Press and hold the Chest Button until NAO says "GNUK GNUK". The shutdown process is completed when all the LEDs are off.

Emergency turn off

To turn NAO off in an emergency mode:

• Make sure NAO is in a safe position, or he may fall.
• Press and hold the Chest Button for 8 seconds.

Result

• the Chest Button becomes Green,
• The robot says “ GNUK GNUK ”,
• The tactile-head and ear LEDs fade quickly.