In Serbian vehicle safety and regulations, why and how often should vehicle hydraulic brake fluid be replaced?

Answer and explanation

Correct answer: C. Every 2 years (fluid absorbs atmospheric moisture)

  1. Step 1: Brake fluid absorbs ambient atmospheric moisture over time, reducing boiling point and risking vapor lock under heavy braking. Answer: Every 2 years (fluid absorbs atmospheric moisture). Why not the others: the alternative options do not represent statutory provisions under Serbian vehicle safety and technical regulations.

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