Here is my video and brief follow up:
Parts used:
1x VW Overhead display control unit for Webasto parking heater 7E5919037J:



1x 16-pin Connector for Overhead unit 1K0972928:

1x Telestart Module 3Q0963513:

1x Set of wire and Aerial for Telestart module:

1x Remote Control for Telestart 3G0963511B:

Wire set. Cross section 0.35mm for CAN-bus and 0.5mm for +12VDC and GND.
(CAN-bus cables shall be twisted together):

All connections and wiring were made according to the diagrams published in this thread.
I used T17p red plug under the driver's seat to make connection for both Overhead display and Telestart module.
Parts used:
1x VW Overhead display control unit for Webasto parking heater 7E5919037J:



1x 16-pin Connector for Overhead unit 1K0972928:

1x Telestart Module 3Q0963513:

1x Set of wire and Aerial for Telestart module:

1x Remote Control for Telestart 3G0963511B:

Wire set. Cross section 0.35mm for CAN-bus and 0.5mm for +12VDC and GND.
(CAN-bus cables shall be twisted together):

All connections and wiring were made according to the diagrams published in this thread.
I used T17p red plug under the driver's seat to make connection for both Overhead display and Telestart module.