Home / Manitoba / Questions / Rules of the Road Rules of the Road Report Interior fogs up: A Ignore B Defroster + AC on; open window slightly if needed C Wipe with hand D Speed to clear Show Answer & Explanation Correct Answer: B. Defroster + AC on; open window slightly if needed AC works with heat. Previous Next More Rules of the Road Questions Highway merge, heavy traffic, small gap: Approaching bridge at -5°C light rain. Expect: Dense fog; you cannot see road edge: Pedestrian looking at phone steps into crosswalk: Rural highway at dusk; deer leaps onto road 30 m ahead: Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide