Ch. 5 · Driving Method

When starting an automatic transmission vehicle, immediately after the engine starts or when the air conditioner is operating, the engine speed increases and there is a risk of sudden start, so you must depress the brake pedal especially firmly.

[True / False · Medium]

Answer: ✓ True

Explanation

The text clearly states: "Immediately after the engine starts or when the air conditioner is operating, the engine speed increases and there is a risk of sudden start, so depress the brake pedal especially firmly." In such situations, extra caution is needed compared to normal conditions.

Driving school curriculumStage 1 – Topic 14: Driving an automatic-transmission vehicle

Hikari
Hikari
The engine just started — do I still need to press the brake super hard?
Misaki
Misaki
Yes, that's true. Right after start-up or when the AC kicks in, engine speed jumps and sudden movement is more likely.
Hikari
Hikari
So it's riskier than normal idling?
Misaki
Misaki
Exactly. Press extra firm during those first few seconds.

Source: Ch. 5 Driving Method · Section (第９節 オートマチック車などの運転) · １ オートマチック車の運転（３）発進

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Source content excerpted from the NPA “Rules of the Road” instructional manual, in the public domain under Japanese Copyright Act Article 13(2). Explanations are AI-assisted and copyrighted by the MenkyoQuest editorial team.