how do you repeat the playlist? where do i find the repeat function to turn it on?

Hi cmguel!

I believe the answer you are looking for can be found in the iPod nano user guide, which I have taken the liberty to link here:

manuals.info.apple.com/en_US/ipod_nano_user_guide.pdf

Seems like the relevant information from that manual can be found right here:

Thanks for using the Apple Support Communities. Have a good one!

-Braden