Practice question

A vehicle equipped with an Anti-Lock Braking System (ABS) can be identified by:

  1. A sticker on the control panel.
  2. A yellow lamp on the instrument panel.
  3. The letters "ABS" on the brake pedal.
  4. A metal plate on the inside of the driver’s side door.

Answer: B — A yellow lamp on the instrument panel.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Massachusetts CDL Class B Knowledge Test 2 →