When to Switch to Winter Tires on Your GM SUV or Truck
Every fall, the same question comes up in the service lane: is it time for winter tires yet? The answer has less to do with the calendar and more to do with the thermometer. Cold pavement changes how tires grip long before the first snowflake lands. This guide covers the 7°C rule of thumb, why all-wheel drive still needs the right tires, and how the tire tools built into your Chevrolet, Buick...