Home / Nova Scotia / Questions / Rules of the Road Rules of the Road Report When should fog lights be used in NS? A Always when driving B Only in conditions that limit visibility — fog, heavy rain, snow C Only on highways D For aesthetic purposes Show Answer & Explanation Correct Answer: B. Only in conditions that limit visibility — fog, heavy rain, snow Should be turned off when fog clears. Previous Next More Rules of the Road Questions If ABS fails during emergency braking: Steady 'Check Engine' light (non-flashing): Flashing 'Check Engine' with rough idle: Tire Pressure Monitor System warning activates: A vehicle fire extinguisher in NS is: Often Missed All Nova Scotia Questions Smart Practice Mock Exam Road Signs Guide