Let me show you the screen when I have disabled HIGHLIGHT
Here's my cart:
If I enable the HIGHLIGHT:
The promo code field appears:
What I would like to see is the Promo Code FIELD appearing without enabling "highlight" feature.
The promo code is for an influencer who will offer the code to their followers to be able to enter the site. It's one of the ways we are tracking sales from this influencer. Hope this helps clear things up