added: Hiddenselections to the Derby Car
added: 3 new Color Variants of the Derby Car
fixed: Optimized Landrover Textures
fixed: The Back door of the Landrover had no open/close sound
fixed: Optimized Hummer Textures
fixed: The Tan Version of the Hummer had some missing/untextured parts
tweaked: Tan Color

fixed: ATV torque transfer increased
changed: ATV has 2 Gears again

added: Schoolbus Front and Back door + action to enter instead of trying to jump/climb inside.
fixed/changed: Driving behavior for most vehicles + reverse didn't work properly on some.

fixed: Entering the Schoolbus should be easier now. However, it can still be tricky if it's parked on slopes. I might find another way to automate the entering in the future, but for now use the back if the front entry fails because of said reasons.

Radiator refill fix for MTVR, Humvee and Schoolbus