Just found that this deal which happened last year (per the link) must renew.
So:
Open the Qantas Wellbeing app (you need a QFF account) and log in. Don't need to be an insurance member.
Go to Insurance
Tyre pressure check.
Answer 4 questions on your tyre pressure.
50 points are yours.
edit: may be fewer points if not a member, sorry
How far can you fly on 50 points?