Update 0.4 adds 2 police and 1 gendarmerie cars, lightbar slot, and 5 more configurations. Technically, it is a 0.3 part two update, but it is okay to be 0.4 instead of 0.3.1.
-Blue Beacon Light
-5 New Skins
-Facelift Metric Gauge Cluster Logic
If you have found a bug in this update, feel free to tell it in the forums thread of this mod (https://www.beamng.com/threads/autron-petitron-autron-p1.84229/), and i will mark you in the changelogs, if i can.