A. The low velocity sound when descelerating is CVT associated however, as your SA instructed You furthermore may engine would make very similar sounds. Should you drive pretty slowly and gradually, minor throttle you've this whoewhoeeee noise, this is the Airco compressor. All are equipped with hydraulic electrical power steering, https://gearboxcvtproton95172.full-design.com/gearbox-cvt-proton-for-dummies-76819293