Test after driving for 10 minutes
IntroductionVolkswagen Touran Owners Manual. Switching the auxiliary heater on or off
First read and observe the introductory information
and safety warnings 
Switching on the auxiliary heater:
Manually
with the immediate heat button in the air conditioning system.
 
ON
Manually
with ...
Volkswagen Touran Owners Manual. Introduction
This chapter contains information on the following subjects:
→ Locking or unlocking the driver door manually  
→ Locking the front passenger door and rear doors manually  
→ Unlocking the tailgate manually  
→ Closing the panoramic sliding roof manually †...