D Position and S Position with Automatic Shift Mode
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
In D, the optimum gear is automatically selected from 1st, 2nd, 3rd, 4th, and 5th gears, and 1st, 2nd, 3rd and 4th gears in S with automatic shift mode according to conditions such as the balance between the accelerator pedal opening (engine loading) and vehicle speed