Insert disc one into your dvd player.
Go to the main menu (you will be automatically taken there)
The red line is used to a highlight a section. If a section title is underlined by the red line, selecting the enter button on your remote will select it.
Move the left button on your remote so that the section title "Bonus Materials" is highlighted.
Then press the up button.
A small red box should appear.
Hit enter and you will see the trailer for Rose Red.
When the red box does not appear on screen, look closely at the screen where the red box appears and you will see the Lions Gate Entertainment logo. It is coloured to blend with the picture of the house.