Relates to Start and Stop..
to find out switch to below screen..
on top right, the fuel nozzle not highlighted, engine stop.
highlighted engine start.

for your case "running at low speed", i think switching from stop to start.
so notice this screen when driving.. during jerk,
is it the same time the icon switch from not highlight to highlight

It's normal for ima. this is the
Down side of ima. Jerking feeling whenever engine kick in and out during
Low speed.

u have to ask honda. but after doing some research all around the world jazz hybrid and insight is having this jerkiness. I'm not sure about crz. but the new civic hybrid should have improved.