Ch. 5 · 第5節 進路変更など
In a section marked with a "horn section" sign, you must sound your horn at all intersections and curves.
[True / False · Hard]
Answer: False
Explanation
According to the Rules of the Road, within a section marked with a "horn section" sign, you are required to sound your horn only "when passing through intersections with poor visibility, curves with poor visibility, or the top of an uphill slope." It is limited to places with poor visibility, not all intersections and curves.
Source: Ch. 5 · Section (第5節 進路変更など) · 1 安全の確認と合図(5)の警音器に関する記述
See the glossary for definitions of key terms.