DirecTV HD DVR User Manual page 97

Parental, Fav's & Setup - System Setup
Access Card
Standard
-Definition Receivers
Do not select Access Card unless you have a new access card
provided by DIRECTV. DIRECTV will provide new access cards and
instructions when necessary. Follow the on-screen directions to
replace your access card. You will need your old and new access
cards to complete this process.
Detailed Information
CHAPTER 2 -
97