Android: Turn off google assistant "Hey google"

There are 3 ways to accomplish turning off/on googles assistant:

Method 1
open Settings App
tap Google (Google settings)
tap Account Services
tap Search, Assistant and Voice
tap Google Assistant
tap the Assistant tab
scroll down to Assistant Devices
tap "Phone"
tap Google Assistant button off.

Method 2
open Settings App
tap Google (Google settings)
tap Account Services
tap Search, Assistant and Voice
tap Google Assistant
tap Voice
tap Voice Match
tap Hey Google button off

Method 3
open Settings App
tap Google (Google settings)
tap Device Connections
tap Android Auto
tap "Ok Google" detection
tap Hey Google button off