As long as you go to a corporate store and not a license store (ones in like a mall or a Target), let them know you are a partner while you are ordering, and have them type in your partner numbers then you should be good. It's one of the few perks of all this going on. They should know.

So depending on the starbucks (im a regular at two , the one in my town and the one that I work at obvi) they usually recognize me or i just tell them at the window and most partners do wait to mention it until theyre paying at the window. Usually partners will automtically mark them out if you are unsure just say something along the lines of "i was hoping to use my markouts for the day" and they will do it

free food and drink everyday? i didn’t know this!

“mark out” is typically used for a bag of coffee.
just order your food and when you get to the drive thru window or when it comes time to pay say “i have partner numbers” - give them ur number and they will prob ask for an ID and you’ll get it free drink and/or food!