TG1682G CAN'T CHANGE DNS

I AM POSTING THIS BECAUSE EVERYTHING ON THIS FORM IS OLD AND THIS ISSUE IS NEW.

LOOKS LIKE MY MODEM/ROUTER INTERFACE HAS CHANGED AND WITH IT THE ABILITY TO SET MY OWN DNS.

eMTA & DOCSIS Software Version: 10.1.10.SIP.PC20.CT

Software Image Name: TG1682COX_3.1p16s1_PROD_sey

THERE IS NO LONGER A WAY TO CHANGE THE DNS - SOME OF MY INSTALL PROGRAMS REQUIRE THAT I CHANGE THE DNS. IS THERE A WAY TO DO THIS ON THIS ROUTER - I KNOW I CAN CHANGE ROUTERS.