I want my Mac running Sierra, to stop hiding dock when I enter "Command+Option+D" I want my Mac (running macOS Sierra), to stop hiding Dock when I enter Command  + Option + D.

I need to use that key command for InDesign.
Click on the Apple menu
Open "System Preferences"





Select "Keyboard"





Click "Shortcuts"
Select "Launchpad &amp; Dock"
Uncheck "Turn Dock Hiding On/Off"