プレスリリース - Explained

Explained

Win rule example
Driver final standings rank
1,2,4,5,7,12,18,22,27 all get wins 9 drivers in all all would qualify plus the top 7 remaining highest point getters move on. Driver points 14-16 would not qualify cause of winners with points 18,22,27.

If more than 16 drivers win then the second criteria for determining if they get in is points of the winners unlikely but explained.

Level 3 explanation.
If Brazil, Italy and Spain have both drivers qualify to round 2 then Driver 5 moves on to level1 round 2. Driver 6 goes onto level 2 Round 2. This is to keep points fair if you have both drivers move on.

If country only has 1 then of the 16 qualifiers 6 of them predetermined by having 2 drivers. That means the highest 5 point getters move on to level 1 and the bottom 5 move onto level 2. Reason is that you can not control how many 6's make is why so you make points determine who moves on for single countries.