Winter tires use a softer compound that stays grippy below about 7°C. In Caledon that usually means a changeover from late October to mid-November and back in April. Book early: the first snowfall fills every shop's calendar.
An Ontario safety standards certificate covers brakes, steering, suspension, tires and wheels, lights, the body and more. It is usually required when a used vehicle changes owners. Choice Auto is an MTO Safety Inspection Station.
Follow your owner's manual or the oil-life monitor. Lots of short trips, towing and cold winters are "severe" conditions that can justify shorter intervals.
