ATS - Scot A2HD V2.2

Changelog v2.2
– Rear chassis visibility for interior view
– Added servo to Varashield accessories
– Improved horn sound loop transitions
– Introduction of r_bumper accessory type (existing vehicle configs will
need to visit service to fix missing rear cross member and lights)
– 1.48 support with the new structure
– Full DLC support

Authors: Smarty