I'm new to the world of forums but I just needed to jump in and say something about an issue I'm experiencing. Bought a 2019 4x4 Rebel in Aug. 2018...since that time i have experienced the most irritating humming noise at around 1500rpms or 55mph mostly when I remove my foot from the accelerator. This phenomenon appears to be more prevalent when there is something in the backs seat. The decibel level is so base like it hurts my ears t ok the point it's difficult to drive. I've also noticed a vibration in the accelerator pedal when it occurs...its driving me nuts. Anyone know if there is a fix for this?