The problem on the rubber band result once the gas pedal is pressed the place the motor RPM jumps up to 5000 RPM and stays there, triggering sound that may be heard Within the cabin, has also been resolved by Proton by using the SAT element. Specifically for demanding programs, https://cvt-proton75183.bloggosite.com/41095461/the-ultimate-guide-to-cvt-proton