Never carry out any work on the engine or in the engine compartment if you are not familiar with the necessary procedures and the general safety requirements or only incorrect operating equipment and service fluids as well as unsuitable tools are available ! Have the work carried out by a qualified workshop if you are uncertain. Please ensure that the following points are checked regularly, preferably every time you refuel:

Windscreen washer fluid level Windscreen wiper and washer Windscreen wipers Windscreen washer

Engine oil level Engine oil Engine oil Engine compartment Engine oil_5 Oil see Engine oil_5

Engine coolant level Coolant Coolant Engine compartment Coolant_6 Engine coolant see Coolant_6

Brake fluid level Braking, stopping and parking Brakes Parking

Tyre pressure Wheels and tyres Wheels and tyres Tyres see Wheels and tyres_0
Information about changing a bulb .
Checks when filling the tank
FuelVolkswagen Touran Owners Manual. Electric windows – functions
First read and observe the introductory information
and safety warnings One-touch opening and closing
The one-touch opening and closing function makes it possible
to fully open and close the windows. The individual buttons do not have to be held
down to do this.
For one-touch closing: ...
Volkswagen Touran Service Manual. Cigarette Lighter Illumination Bulb -L28-, Removing and Installing
Note
On some vehicle equipment levels, socket illumination is via
Light Emitting Diode (LED) instead of a bulb. These LEDs are
integrated with the illumination housing and cannot be serviced
or replaced separately.
...