With the trans tune, tapping the brake works amazingly for forcing a downshift. Too bad the stock trans tune isn't as intuitive.That also points out a difference in the VW versus FCA tranny. My VW diesels will downshift and use engine braking with a slight touch of the brake pedal. For dropping a gear or two in the mountains, it works great. For longer steeper runs, just a slight push of the shifter and I have as much control as I need.