This setting offers "A" and "B" modes. You can set up two different COMPUSHIFT configurations in advance, and use the mode switch to change between them.

R2L is affects Reverse, Low, and second gear. It raises the transmission pressure by this amount when in the position. This boost is ramped in slowly so it will not apply hard in reverse.

 

 

 

R2L Pressure Boost A
     
        20%