Stop phone from speaking
Some voice commands (like “What's up?” and “What is the current weather?”) cause your phone to speak in response.
To stop the phone from speaking temporarily, touch 
or 
.
To prevent your phone from speaking:
- Turn off Moto Voice. Touch
> Moto. Then touch 
> Voice and uncheck Launch phrase. - Turn off Google speech output. Touch > Google Settings. Then touch Search & Now > Voice > Speech output.
> 
>