'Lux Dujour' is obviously meant to be a stage name, combined from the two languages Latin and French and meaning 'the light of day'.
As Amanda walks down the road, followed by the Rowdy 3's van, the sound of the van's growling engine seems to very distinctly say "hey, you" several times.
Dirk says "I've got a good feeling about this," inverting the recurring line from Star Wars: "I've got a bad feeling about this," and similar wordings.