Use Google Voice Search - LG G5 User Manual

 To use all of Google Now's functions, ensure that Google Location Reporting and Location
History are turned on in your location settings. Tap
tab > Location > Google Location History and select your options.

Use Google Voice Search

Use your voice to search instead of typing, with Google Voice Search.
1. Tap > Google
 The Voice Search window opens.
2. Speak your search terms.
 Search results appear.
Productivity
> Voice Search .
> Tools > Settings > General
116