Years of working with bots smaller than him gave him a keen eye for this sort of thing. He was more wary of things below him than at eye level. It was his good perception and...well, the small 'ow' that catches his attention, eyes flicking down to the crater to see who had uttered the small noise.

Cue a crouch down as well, to get a better look.

"Do you need help?"

Nothing too patronizing, but merely asking.