Just started my first lesson today - do you guys know how the practical lessons unlock? Is it must clear Lesson 1 then only Lesson 2 will be unlocked in the system? I didn't manage to pass Lesson 1 on the first go - group did not finish the intro fast enough to go main course for high/low speed. How would they know though? Everything seems to be manually recorded in the booklet only. Right now, I can only book Lesson 1 and cannot see any other practical lessons.