How can i get the subtitles off my TV?

[Luv2draw]

I live on the west coast and have COX cable. One day we turned on the TV and the subtitles where randomly there. We don't know how to change it?? Its been like a month and they won't go away..

 

[Tom J]

Put duct tape over it.

 

[CARLITOS' WAYYYYYY]

select >Menu>Caption>off