2008 Volvo S80 Owner's Manual - Page 241

If accessory, aftermarket or "custom" tires and wheels are installed and are of a size different than the original tires and wheels, chains in some cases CANNOT be used. Sufficient clearances between chains and brakes, suspension and body components must be maintained. Some strap-on type chains will interfere with brake components and therefore CANNOT be used. All Wheel Drive models: Snow chains should only be installed on the front wheels. Only chains adapted for AWD models should be used. Consult your Volvo retailer for additional snow chain information. CAUTION Check local regulations regarding the use of snow chains before installing. Always follow the chain manufacturer's installation instructions carefully. Install chains as tightly as possible and retighten periodically. Never exceed the chain manufacturer's specified maximum speed limit. (Under no circumstances should you exceed 31 mph (50 km/h). Avoid bumps, holes or sharp turns when driving with snow chains. The handling of the vehicle can be adversely affected when driving with chains. Avoid fast or sharp turns as well as locked wheel braking. Snow tires, studded tires 1 Tires for winter use: Owners who live in or regularly commute through areas with sustained periods of snow or icy driving conditions are strongly advised to fit suitable winter tires to help retain the highest degree of traction. It is important to install winter tires on all four wheels to help retain traction during cornering, braking, and accelerating. Failure to do so could reduce traction to an unsafe level or adversely affect handling. Do not mix tires of different design as this could also negatively affect overall tire road grip. Winter tires wear more quickly on dry roads in warm weather. They should be removed when the winter driving season has ended. Studded tires should be run-in 300-600 miles (500-1000 km) during which the vehicle should be driven as smoothly as possible to give the studs the opportunity to seat properly in the tires. The tires should have the same rotational direction throughout their entire lifetime. 1 Where permitted NOTE Please consult state or provincial regulations restricting the use of studded winter tires before installing such tires. 251 06 Maintenance and specifications Wheels and tires Temporary Spare The spare tire in your vehicle is called a "Temporary Spare". Recommended tire pressure (see the placard on the B-pillar or on the fuel filler door) should be maintained irrespective of which position on the vehicle the temporary spare tire is used on. In the event of damage to this tire, a new one can be purchased from your Volvo retailer.