Its indicator light was off, and it shouldn't have been.

All the other indicator lights work in a similar way.

Walking over to the elevator, he saw the indicator light still on number two.

She had to wait only a second before the red indicator lights on her panel all turned green.

Some of the indicator lights were working, but no screens.

These devices are simple to use and easy to read because they only have indicator lights.

Then the green indicator light above the door said it was safe to exit.

Several indicator lights flashed on, but the car didn't start.

On the left side of the computer, there is a button next to many indicator lights.

The indicator light on the panel next to the hatch went to red.