Viesa AGRO Installation Manual page 18

Note: Tie and stick the electrical installation to the upholstery
cover with the provided tie.
6- Place the upholstery cover with the display oriented to the
front of the cabin.
7- Affix the upholstery cover with the 4 screws (without
tightening.
8- Introduce the air grilles with their weather strips.
9- Fasten the air grilles to the upholstery cover with the screws,
in the indicated sequence.
10- Tighten, without forcing, the 4 upholstery screws until
covering the original upholstery without gaps.