Only available to those who have received this offer by email, so check if you haven't already.
"flybuys BONUS POINTS for Insurance Renewal Data (Offer) is only available to customers who receive this communication offer and provide their existing insurance renewal information and flybuys number (Information) between between Tue 16 Jul and Wed 31 Jul 2019. Limit of one offer per flybuys member. flybuys BONUS POINTS will be credited to the member’s flybuys account up to 30 days after end of offer period. For full terms and conditions see coles.com.au/insurance/bprenewaldata."
Webpage says expires 31 March but I think they just forgot to update it from their previous round.