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. Inspecting Tires
Because tire damage can have serious consequences, the
technician and the driver should regularly check the tires, as
it is the best form of early problem recognition.
Pre-damaged tires cannot withstand driving situations like
high vehic ...
Volkswagen Touran Service Manual. 4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
Note
Do not repair the heated oxygen sensor wires. Repairing may
result in malfunctions.
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
...