NOT KNOWN FACTS ABOUT GEARBOX CVT PROTON

Q. When inside of a traffic jam (even with a degree highway), should we change to N at each out there chance? Or does Recurrent shifting back and forth from D to N and back affect the lifespan in the CVT gearbox?The problem from the rubber band effect once the gas pedal is pressed where by the motor RPM jumps around 5000 RPM and stays there, creati