If a passing vehicle signals to cut in front of you, you should:

When a passing vehicle signals to cut in front of you, the most appropriate response is to prepare to slow down to allow room. This action ensures safety for both you and the merging vehicle. By slowing down, you create space for the other vehicle to maneuver safely into your lane, reducing the risk of a collision. It's important to remain aware of your surroundings and the behavior of other drivers; giving them enough space can help facilitate smoother driving conditions.

Ignorance of the signal could lead to a dangerous situation where the passing vehicle may not have enough space to merge and could cause an accident. Speeding up to pass the vehicle also increases the risk, as it could incite reckless driving behavior and limit necessary reaction time. Lastly, honking and signaling back may confuse the other driver rather than communicate a clear intention, which does not contribute to a safe driving environment. Proper preparation to slow down reflects a cautious and cooperative approach to driving.