Radar cruise control - slow down and lurch ahead

When following another car in stop and go slow moving traffic, I've seen that my CX5 sometimes slows down after the car, but suddenly lurches as if someone cancelled cruise control or hit gas, and then a second later applies brakes again. I am not sure if it is sensing my lightly placed foot on the accelerator or if the radar is acting funny.
 
If you step on the gas pedal, it will override the CC. I use my smart CC every day on my commute and have had zero issues, regardless of the traffic situation.
 
With cruise control enabled, your foot should only be hovering over the brake, not the accelerator.

I think you're pressing the accelerator just enough to override the CC, like pcardoza said. Try keeping your foot over the brake instead. If it stops behaving that way, you have your answer.
 

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