1. To access Voice Control, from the home screen, say "Okay Google" to your phone followed by what you would like to serach for or tap the Microphone icon.
   
2. There are various commands you can use, one example is setting an alarm, if you say ‘Set an alarm for 7 AM’, Google Now will automatically create your alarm.
   
3. Another command example is saying ‘Create a Google Calendar event’, Google Now will create a calendar event, enter the Details, then tap Done to create.
   
4. To change voice command settings, tap the Menu icon.
   
5. Tap Settings.
   
6. Tap Voice, then adjust the settings as desired.