Honda Pioneer 1000 2017 Owner's Manual page 45

These indicators display the transmission mode of the SXS.
The indicators display: AT for automatic shift mode, MT for manual
shift mode (except for SXS1000M3).
To switch between AT mode and MT mode, press the AT/MT switch
(page 48). When MT mode is selected in low-range (L), the LOW
indicator also comes on.
LOW indicator
(except for SXS1000M3)
When AT mode is selected, pressing the SPORT switch displays the
SPORT indicator (page 49).
MT indicator
(except for SXS1000M3)
AT indicator
AT indicator
SPORT indicator