Home / Manitoba / Questions / Rules of the Road Rules of the Road Report Washer fluid fails in -30°C: A Dilute water B Use -40°C washer fluid C Ignore D Boil water Show Answer & Explanation Correct Answer: B. Use -40°C washer fluid Summer blend freezes. Previous Next More Rules of the Road Questions Pedestrian steps out from front of parked bus: Residential street; children playing near road: Drifting into adjacent lane without signal: Driver in parked car ready to open door: Other driver shouts / gestures angrily: Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide