Imma just throw this out there, I rented a 25 civic hybrid for Honda training, on the way back decided to see how high I can push it. No more than 65mph except down hill, sitting behind trucks sometimes, using the left paddle shifter to engine brake and charge the battery, and trying to keep...
cruising throttle % doesn't change when pressing in clutch and it’s normally low enough to shift gears without noticing during normal shifts. But hold the clutch long enough it revs the same as holding the gas pedal at a stop at same %. The alert is just reminding you to finish changing gears.