Additional Information Sources
Physical PrinciplesVolkswagen Touran Owners Manual. Remote control
Fig. 164 Auxiliary heater: remote control
Fig. 165 Auxiliary heater: battery cover
for the remote control
First read and observe the introductory information
and safety warnings
Meaning
ON
Switches on the auxiliary heater.
...
Volkswagen Touran Service Manual. Primary Lock
The primary lock is the locking mechanism of an individual
crimp contact in the contact housing.
If necessary, housing securing mechanisms (secondary locks)
must be released or removed using specified tool before
releasing the contacts. ...