If there is a message in the 'Expiring Card Message' box, a pop up message will be shown when a member who has a credit card that will expire in 30 days logs into your site.
If this box is left blank, no message will be appear.
This applies to members of recurring plans only.
Edit the 'Expiring Card Message' box
Edit Site Descriptions
The Credit Card About To Expire Message settings can be managed on the right side of the control panel under Master Settings Edit Site Descriptions
Credit Card About To Expire Message
Under the billing settings section, add text for the message that users with expiring cards will see.