How to change avg's use of one credit card vs. another?

Hello Lorraine,
We realize that you wish to update the card details.
We see that you've already contacted our Sales team and believe that all your concerns were taken care of.
If we can be of more help, please let us know.
Thank you.

How can I get avg to stop using a credit card I no longer wish to use vs. the one I prefer to use

Hello Lorraine,
We realize that you wish to update the card details.
We see that you've already contacted our Sales team and believe that all your concerns were taken care of.
If we can be of more help, please let us know.
Thank you.