ATS - Interior for Western Star 49X V0.4 Beta (1.38.x)

Interior for Western Star 49X 0.4 beta.
Interior for the default Western Star 49X
The interior is slightly darkened.
Blue button illumination.
Added with green backlight
Engine "Caterpillar C15 625, King of the hill" from Peterbilt 579.

Authors: YuriI