Rules of the Road

Cold weather reduces tire pressure about:

Show Answer & Explanation
Correct Answer: A. 1 psi per 6 °C drop

Roughly 1 psi (7 kPa) per 6 °C drop. A tire set in summer is significantly underinflated in winter. Monthly pressure checks are essential in cold climates.

More Rules of the Road Questions

On a gravel or dirt road, you should: A lowered curb at a street corner is for: An engine block heater plugged in 2–3 hours before starting in extreme cold: Before winter, you should check your vehicle's: Daytime running lights (DRL) on a BC vehicle:

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