LG Optimus M MMBB0394701 Owner's Manual page 76

Communication
74
The messages that you exchange are interleaved on the
screen and include information about the chat, such as
whether it's on the record, the time a message was sent (if
there's no response after a short while), and so on.
You can enter an emoticon (smiley), just press the Menu
Key
emoticons.
Your chat session will remain open until you end it.
Friends you're chatting with are displayed at the top of your
Friends list, with the most recent message displayed in a
black-on-white balloon.
To set whether you sign into Google Talk automatically
1. From the Friends list, press the Menu Key
Settings .
2. Checkmark or uncheck Automatically sign in .
When Automatically sign in is checked, you are signed into
Google Talk when you turn on your phone.
and touch More > Insert smiley to open a list of
and touch