So when routing the seatbelt, for safety reasons you don’t want the lap belt going over both side boulsters, because this is not adequate support in a crash. Like this:
To do it correctly for safety you gotta re-route the belt through the harness holes down low. Whether or not Australian rules supports this idk, but this is the safest way.
This is good now:
The stock Volvo seat belt buckle is not long enough to come through that lap hole so I’m searching for alternative solutions