This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Cadillac CTS 2009 by Paul B.® . Guys, the turn controls are opposite: Left Arrow = Right Turn; Right Arrow = Left Turn. Up %26 Down arrows are working properly. BTW PLEASE TELL ME HOW TO CHANGE GRAVITY = HOW TO MAKE AN OBJECT TAKE OFF FROM THE GROUND?!