Crossword puzzle clue "words following here or then"

Words following "here" or "then"

Hybrid car that runs a few seconds, then stops, then runs again, then stops again...?

Following a command hidden in this answer, convention handouts; following the command another way, one flaunting their friends

"Here, Here and Here" (___ & Dia)

Beatles title words following "Speaking words of wisdom"

Do this, then that, then this again

Place whose population was 1, then 2, then 0

Back then, back then