Home / Quebec / Questions / Rules of the Road Rules of the Road Report Cold weather: A Increases tire pressure B Decreases tire pressure (≈7 kPa per 10°C drop) C No effect D Only affects diesel Show Answer & Explanation Correct Answer: B. Decreases tire pressure (≈7 kPa per 10°C drop) Cold: tire pressure drops. Previous Next More Rules of the Road Questions Warning lights on your dashboard: In winter, your windshield washer fluid should be: In Quebec winter, keep your fuel tank at least: Infants and young children should ride in: Winter tires must be installed on: Often Missed All Quebec Questions Smart Practice Mock Exam Road Signs Guide