First read and observe the introductory
information and safety warnings
The underside of the vehicle is coated to protect it from corrosion and damage. The protective coating on the underside of the vehicle could be damaged when driving. Volkswagen recommends therefore that the protective coating on the underside of the vehicle and on the running gear should be checked regularly and repaired if necessary.

CAUTION
De-icing door lock cylinders
Cleaning the engine compartmentVolkswagen Touran Owners Manual. Introduction
This chapter contains information on the following subjects:
→ An economic driving style
→ Driving in a way which will save fuel
Fuel economy, environmental impact and wear on the engine, brakes and tyres depend
largely on three factors:
Personal driving style.
...
Volkswagen Touran Service Manual. Support Mode with Battery Charger -VAS5903
General Information
The support mode provides the vehicle electrical system with
voltage when the battery is removed or disconnected.
For more information. Refer to Battery Charger -VAS5903-
Operating Instructions.
...