“Prewash” cycle?

I’m getting excited (and as prepared as possible) for baby girl’s arrival! She’s due Christmas Day and it’s getting faster and faster...

I’ve been talking with friends and doing research on cloth diapering... however, we have an old top load washer and no “prewash” button? I know the main wash cycle will be cool/warm water, medium-ish water level and normal cycle (with softener “on” for extra rinse)... buuuuut... what should my settings be for prewash? We’ll be using Tide Free and Gentle powder.

Here’s what my washer panel looks like: