Historical clue formulations

• Put the pedal to the metal — 2019-03-03
• Bad thing to do when you see a yellow light — 2017-10-27
• Put the pedal to the metal — 2015-06-01
• Put one's foot down, in a way? — 2013-08-31
• Hit the accelerator — 2012-03-05
• "Go fast!," to a driver — 2007-06-25