Knock Out's optics cycle once, their mechanical rings nictitating as he studies her trying to get to her feet. He removes his hand from her, and the vibration tapers off, leaving the air feeling more still than it should have.

For a moment he seems like he's about to say something... but then he rocks back on his heel tires and stands, retreating a step to gain clearance, and folds down into his alt mode without a word.