The car behind you begins to pass you. You should:

  1. Maintain your speed so traffic will flow smoothly.
  2. Pull to the right and stop so it can pass.
  3. Slow down slightly and stay in your lane. ✓
  4. Blow your horn to signal that it to pass.

Answer: C. Slow down slightly and stay in your lane.

Slow down slightly and stay in your lane when the car behind you starts to pass.

Why this is the answer

The handbook's section on being passed says that when another vehicle passes you on the left, you should ease off your speed a little and keep your car centered in its lane. Once that vehicle has cleared you and is ahead, you go back to your normal speed. So the right response is a small speed reduction while holding your lane position, not a stop and not speeding up.

Why the other answers are wrong

Remember it

Being passed on the left: ease off the gas, hold your spot in the lane, then resume normal speed once they are clear.

Official handbook: New York State Driver's Manual (MV-21), Chapter 6: Passing – Being Passed

Explanation drafted with AI (deepseek-flash) from the official handbook passage cited above, then checked automatically and by a second model on 2026-10-23. Always confirm with the official handbook.