Step 1
Click My Account link in the top right-hand side of the dashboard, and then select My Account from the dropdown menu.
Step 2
Select 'Update My Details' for the My Account menu
Step 3
Click on 'View Account'
Step 4
Click on 'Billing' from the top menu
Step 5
Edit your details. Then click 'Update Credit Card'
Please note: Unfortunately, American Express Cards cannot be updated online. Customers will need to call 1300 50 13 12