Practice question

While driving, if it is discovered a vehicle's ABS is not working, the driver should:

  1. Put on their hazard lights.
  2. Downshift.
  3. Brake normally.
  4. Use their parking brake to stop.

Answer: C — Brake normally.

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

Practice more: Illinois CDL Class B Knowledge Test 1 →