Winter Tyres; Snow Chains - Volvo S90 Owner's Manual

WHEELS AND TYRES

Winter tyres

Winter tyres are adapted for winter road condi-
tions.
Volvo recommends winter tyres with particular
dimensions. Tyre dimensions are dependent on
engine variant. When driving on winter tyres, the
correct type of tyres must be fitted to all four
wheels.
NOTE
Contact a Volvo dealer for advice about which
wheel rim and type of tyre are most suitable.
Tips for changing to winter tyres
When summer and winter wheels are changed,
mark which side of the car they were mounted
on, for example L for left and R for right.
Studded tyres
Studded winter tyres should be run in gently for
500-1000 km (300-600 miles), so the studs
settle properly into the tyres. This gives the tyre,
and especially the studs, a longer service life.
NOTE
The legal provisions for the use of studded
tyres vary from country to country.
544
Tread depth
Road conditions with ice, slush and low tempera-
tures place considerably higher demands on tyres
than summer conditions. Volvo therefore recom-
mends not to drive on winter tyres that have a
tread depth of less than 4 mm (0.15 inches).
Related information
When changing wheels (p. 537)
•
Winter driving (p. 438)
•
Tread wear indicators on the tyres (p. 529)
•

Snow chains

Use of snow chains and/or winter tyres can help
to improve the traction in winter conditions.
Volvo recommends that snow chains are not
used on wheel dimensions greater than
18 inches
WARNING
Use Volvo genuine snow chains or equivalent
chains designed for the car model, and tyre
and rim dimensions. Only single-sided snow
chains are permitted.
In the event of uncertainty about the show
chain, Volvo recommends that an authorised
Volvo workshop should be contacted. The
wrong snow chains may cause serious dam-
age to the car and lead to an accident.