Please first login at
www.onlinenic.com with your ID and password. Click on "Value-Added Services >> Domain Auto-Renewal", you may see on this page all the domains eligible for Auto-Renewal.
On the page, you may easily enable/disable Auto-Renewal for each specific domain by ticking the checkbox listed in "Auto-Renewal Status" column and then push the "Enable Auto-Renewal"/"Disable Auto-Renewal" button at the bottom of the page.