Volvo 2002 V70 Operation And Care Manual page 71

Avoid bumps, holes or sharp turns when driving with snow chains.
Vehicle handling can be adversely affected when driving with chains. Avoid fast maneuvering and hard braking.
Never allow the wheels to lock up during braking.
Snow tires, studded tires *
Tires for winter use:
Owners who live in or regularly travel 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. Volvo does not recommend tire rotation.
However, as with any other radial tires, if rotated, the tires must be kept on the same side of the car so that they
revolve in the same direction as before rotation.
Volvo recommends 195/65 R15 snow tires on non-turbo models. Turbo models should be equipped with 205/55
R16 snow tires on all four wheels (215/65 R16 tires should be used on the Cross Country).
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 car 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. In other words, if you wish to rotate the wheels, make sure that the same
wheels are always on the same side of the car.
NOTE: Please consult state or provincial regulations restricting the use of studded winter tires before installing such
tires.
* Where permitted.
pg. 107 Wheels and tires
Checking and correcting tire pressure
Check the tire pressure regularly.
The tire pressure should be corrected only when the tires are cold.
With warm tires, correct only when the pressure is too low. The tire temperature rises after driving just a few miles.