Tire maintenance: Debunking seasonal myths and pressure importance

Automotive experts are addressing common misconceptions regarding tire maintenance and seasonal changes. Testing has challenged the long-standing 'seven-degree rule,' which suggests that summer tires become unsafe once temperatures drop below 7 degrees Celsius. While winter tires feature sipes for better grip on snow and ice, summer tires with harder rubber compounds often perform better during braking on dry surfaces, even in light frost.

Additionally, maintaining correct tire pressure is critical for longevity and safety. Under-inflation causes excessive wear on the outer edges of the tread, increases fuel consumption, and can lead to tire failure due to internal heat buildup. Conversely, over-inflation causes the center of the tread to bulge, reducing the contact area with the road and decreasing grip, particularly on wet surfaces. Drivers are advised to check manufacturer-recommended pressure levels, typically found on door pillars or fuel flaps.