In Austrian vehicle safety and driving technique, how often should hydraulic brake fluid (Bremsflüssigkeit) typically be replaced in motor vehicles?
Answer and explanation
Correct answer: C. Approximately every two years due
- Step 1: Brake fluid is hygroscopic (absorbs water vapor from the air over time), which lowers its boiling point; it must be flushed roughly every two years. Answer: Approximately every two years due. Why not the others: Every six months regardless of vehicle mileage, Every ten years or after 250,000 kilometres and Brake fluid never requires replacement during vehicle life do not reflect Austrian technical safety guidelines.
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