This chapter contains information on the following subjects:
→ Fuel types
→ Petrol→ Diesel
→ Natural gas→ Information on fuel consumption
→ Fuel consumption→ CO emissions
The factory-fitted sticker on the inside of the tank flap indicates the correct fuel that is required for your individual vehicle.
Additional information and warnings:

WARNING
Fuel
Fuel typesVolkswagen Touran Service Manual. Aqua Premium Application Instructions for Water-Soluble Products
When working with water-soluble products, pretreat the base
surface very carefully and only with water-soluble products and
the recommended processing materials.
Base Surface
Pre-treatment of base surfaces:
...
Volkswagen Touran Service Manual. Tires, Rolling Noises, General Information
Rolling noise perceived by the human ear is caused by
vibrations transmitted from the noise source to the ear via the
air.
Here we are interested in noises created by certain
characteristics of the tires as well as the effects of rolling ...