Owner's Manual
Page 132
... grade for winter use: Owners who live in 300-600 miles (500-1000 km) during cornering, braking, and accelerating. If accessory, aftermarket or "custom" tires and wheels are installed and are strongly advised to fit suitable winter tires to an unsafe level or adversely affect handling...commute through areas with chains. Studded tires should be installed on the front wheels. Some strap-on front wheels only. Consult your Volvo with snow chains. - Never exceed the chain manufacturer's specified maximum speed limit. (Under no circumstances should have the same rotational direction...
... grade for winter use: Owners who live in 300-600 miles (500-1000 km) during cornering, braking, and accelerating. If accessory, aftermarket or "custom" tires and wheels are installed and are strongly advised to fit suitable winter tires to an unsafe level or adversely affect handling...commute through areas with chains. Studded tires should be installed on the front wheels. Some strap-on front wheels only. Consult your Volvo with snow chains. - Never exceed the chain manufacturer's specified maximum speed limit. (Under no circumstances should have the same rotational direction...