What should a driver check regarding the ABS malfunction indicator lamp during a school bus pre-trip inspection?

Pick an answer

1. The ABS lamp does not need to be checked on school buses
2. That it only illuminates when the parking brake is engaged
3. That it stays illuminated continuously during all normal operation, since that shows the system is armed and ready
4. That it briefly illuminates at startup and then turns off if there is no fault detected

Correct!

Not quite. The correct answer is highlighted.