601 A driver may honk their horn if an emergency occurs, or when approaching a curve, at the top of a hill with poor visibility, or passing the vehicle in front in a rural area.
(A)O
(B)X
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統計: A(1), B(0), C(0), D(0), E(0) #2211803
統計: A(1), B(0), C(0), D(0), E(0) #2211803