Ch. 5 · 第１節 安全な発進
When opening a door, instead of opening it wide immediately, first open it slightly and pause to check for safety before exiting. This initial slight opening also serves as a signal to other traffic.
[True / False · Medium]
Answer: True
Explanation
The Rules of the Road states: "When opening a door to exit, first open it slightly and pause to check for safety before exiting. This initial slight opening when exiting also serves as a signal to other traffic." This statement is completely correct.
Source: Ch. 5 · Section (第１節 安全な発進) · １ 車の乗り降り（１）
See the glossary for definitions of key terms.