Skoda Octavia COMBI 2007 Owner's Manual page 229

228 Wheels and Tyres
When driving on wintry roads, snow chains improve not only traction, but also the
braking performance.
For technical reasons, it is only permissible to fit snow chains with the following
wheel/tyre combinations:
Wheel size
6J x 15
6.5J x 15
6J x 16
Only use fine-link snow chains. They must not project more than 15 mm -
including the chain lock.
Remove the full wheel trims if you wish to fit snow chains to the wheels.
Observe the national legal requirements relating to 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
We recommend that you use snow chains from the Škoda genuine accessories.
Depth (D) Tyre size
47 mm 195/65
50 mm 195/65
50 mm 205/55