Home / Nova Scotia / Questions / Rules of the Road Rules of the Road Report Coolant/temperature warning light: A Only at night B Engine overheating — stop immediately; let cool; check coolant C Minor D Cosmetic Show Answer & Explanation Correct Answer: B. Engine overheating — stop immediately; let cool; check coolant Don't open hot radiator. Previous Next More Rules of the Road Questions Cobequid Pass toll in NS: Cycling at dusk in NS: Halifax Harbour Bridge toll: Tire rotation interval for even wear: Brake pads in NS should be: Often Missed All Nova Scotia Questions Smart Practice Mock Exam Road Signs Guide