Custom collision behaviour

[old pulsar]

The first thing one would need to know is what type of node you're using for your car

[long stratus]

Good point, I'm using a CharacterBody3D node.
Primarily because of familiarity and because visually it'll resemble something closer to a mech than a car, but also because I'll want to have full control over the character movement and make adjustments as they become necessary.