Home / Nova Scotia / Questions / Rules of the Road Rules of the Road Report Tire Pressure Monitor System warning activates: A Cosmetic indicator B At least one tire is low — check and inflate C Radio issue D Speed sensor Show Answer & Explanation Correct Answer: B. At least one tire is low — check and inflate Cold weather common trigger. Previous Next More Rules of the Road Questions A battery 5+ years old entering NS winter: Removing snow from your vehicle before driving in NS: When using a block heater in NS winter: Installing tire chains: Driving with one wheel on a snow-covered shoulder: Often Missed All Nova Scotia Questions Smart Practice Mock Exam Road Signs Guide