1. Select the "User CP" button at the top left of the Menu Bar. 2. Select the "Edit Signature" button at the top of the "Settings & Options" bar on the Control Panel on the left side of the page. 3. Type your Signature information/details in the text box(Truck year,Model,4x4 or 4x2,any modifications made,etc) 4. Click the "Preview Signature" button to view signature as it will appear when you post. Make any changes or corrections necessary to get it the way you would like it to look. 5. Click "Save Signature" when you are finished. It should now appear on your posts here at SuperDutyDiesel.