For the most immersive experience, pair your mirror FOV with these interior settings:
: Adjusts them to be flat (plane), providing a non-distorted, 1:1 view. True Mirror FOV for ETS2 1.47
: Older manual methods involved editing truck .sii files to change mirror_fov values (e.g., setting a close mirror to 24.0f for a narrow, realistic zoom). Recommended Realistic Setup For the most immersive experience, pair your mirror