Skoda roomster Owner's Manual page 232

For technical reasons, it is only permissible to fit snow chains with the
following wheel/tyre combinations:
Wheel size
5J x 14
6J x 14
6J x 15
Only use fine-link snow chains. They must not project more than 9 mm
- including the chain lock.
Remove the full wheel trims before installing the snow chains.
Observe the national legal requirements relating to the use of snow chains
and the maximum vehicle speed with snow chains.
WARNING
Please pay attention to the information in the supplied fitting
instructions of the snow chain manufacturer.
Caution
You must take the chains off as soon as you drive on roads which are free
of snow. They adversely affect the handling of your vehicle, damage the
tyres and are rapidly destroyed.
Note
•
Only fit snow chains from the range of Škoda genuine accessories.
•
If snow chains are used, then switch off the traction control system
(TCS).
Using the system Safety
Depth (D) Tyre size
35 mm 175/70
37 mm 185/65
43 mm 185/55
Driving Tips General Maintenance Breakdown assistance
Wheels and Tyres 231
Technical Data