Once you have gone to TIVO CENTRAL screen, selected SETTINGS & MESSAGES and clicked PARENTAL CONTROLS, the large padlock icon on the top right will show current status.
Ratings shaded in green are not locked; ratings in red are locked. Use the UP/DOWN ARROWS to adjust which ratings are locked.
Types of content marked by broadcasters as able to be blocked are listed. Select each type of content you want to block, then use the UP/DOWN ARROWS to adjust which ratings are blocked.
Some movies and TV shows are unrated. Select this setting to block all unrated movies or TV shows.
You can lock specific channels, or all channels. To view a locked channel you MUST enter your Parental Control password.