You will need to:
1. Remove the trim round the stereo
2. Remove the trim round the heater controls - unclip all the buttons
3. Remove the 4 screws that hold in the heater controls - pull out a bit to get access
4. Snip the old kinked cable near the end with the hoop - look where the hoop goes
5. Unclip the green clip - some VW T6 will have a cable-tie fitted
6. Remove the glove box (7 screws)
7. Follow the cable, reach in and unclip the black clip - needs a bit of force
8. With a firm pull, remove the wee black ball from its socket
Feed in the new cable and fit in the following order:
a. Clip in the wee black ball
b. Clip in the black clip
c. Mount the hoop FIRST
d. then clip in the green clip
e. Secure with a cable tie
Check everything works, then re assemble