In Austrian traffic rules (StVO/KFG), under what condition may the rear fog lamp (Nebelschlussleuchte) be switched on in Austria?
Answer and explanation
Correct answer: D. Only during substantial visibility impairment
- Step 1: Due to high glare risk, the bright red rear fog light may only be activated during extreme visibility restrictions caused by dense fog, blizzard snow, or heavy spray. Answer: Only during substantial visibility impairment. Why not the others: Whenever driving on wet motorways at night, During normal night driving on unlit rural roads and Whenever towing a light single-axle trailer do not reflect statutory Austrian regulations.
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