Is there a course on Car rigging / animations?
Also if anyone has experience RBC-Addon is....Im still having trouble to get it to work for car animations.
https://www.youtube.com/watch?v=rrI6wzFquhU&t=21s
They haven't updated the addon for 4.0 yet. This course should help but it also hadn't been updated for 4.0. so bone groups and bone layers are no longer a thing. Now you assign bone colors under the bone tab of properties editor. Layers has been replaced with bone collections.
https://cgcookie.com/courses/off-road-rig-and-animate-an-rc-monster-truck-in-blender
Here are other ones that are oldies but goodies, concepts are timeless:
https://cgcookie.com/courses/rigging-train-wheels-in-blender
https://cgcookie.com/courses/mechanical-rigging-of-a-fighter-jet-in-blender
https://cgcookie.com/courses/rigging-vehicles-with-automatic-suspension
https://cgcookie.com/courses/creating-an-advanced-cartoon-eye-rig