First read and observe the introductory information
and safety warnings
Please follow these points in order to prevent damage to your vehicle when driving through water, for example on flooded streets:

WARNING

NOTICE
Checklist
Technical dataVolkswagen Touran Service Manual. Tread Depth, Measuring
Note
When measuring tread depth, take measurements in the main
grooves.
Do not take measurements at the tread wear indicator.
Tread depth of a tire must be mea ...
Volkswagen Touran Service Manual. Tire Wear, Center
This wear pattern is found on drive wheels on high-powered
vehicles that often drive long stretches at high speed.
At high speeds, the centrifugal force increases the tire
diameter at the center of the tread more than at the shoulders
of ...