Physics Constraint acting in opposite direction to force. Pls Help

So I’ve implemented a door and hinge system using a physics constraint on a vehicle. Problem is, when vehicle moves forward, the door, instead of swinging back shut like it should, defies the laws of inertia and acts in the exact opposite direction, opening even wider. And the opposite happens when reversing; door closes instead of being swung open.

I’ve tried changing the rotation of the constraint itself: I don’t think it affects the physics in any way though

I’ve tried messing with the angle limit and th

e angular offset but I can’t seem to be able to simply “flip” the force being applied on the door.

Attached, is the default angular settings on my constraint. Help appreciated.