What is the correct order of a school bus's warning lights as a stop approaches?

Pick an answer

1. Amber lights first as a warning, followed by red lights and the stop arm once fully stopped
2. The stop arm extends first, before any lights are used
3. Only red lights are ever used, with no amber warning stage
4. Red lights first as the bus begins to slow, then amber lights once it has come to a complete stop at the curb

Correct!

Not quite. The correct answer is highlighted.