The vehicle operator can easily turn off the system.

If that light came on, Toad was to turn off the system.

Finding the power button, he turned the system off, plunging the room into relative silence.

And when we saw you going for the sprinklers, Ricky turned the system off.

But in its present state, turning off the system would destroy the Earth.

The Subject responds by saying he does not know how to turn the system off.

Relying on only the front wheels to give me a feel for the bumps, I turned off the rear system.

The police said Ms. Houston's security staff did not know how to turn the system off.

The current plan, begun in 1998, was to build the new system, import data and then turn off the old system.

"I had one friend who was so confused, she turned the whole system off."