What is the difference between OnStar eNav and Turn-by-Turn Navigation?
OnStar eNav is an enhancement to Turn-by-Turn Navigation. eNav allows you to find a destination online at MapQuest.com and send it to your vehicle(s), where driving directions are waiting when you push the and say “Virtual Advisor.” You can access OnStar Turn-by-Turn Navigation by pushing your to speak to a live OnStar Advisor who can help you find your destination and send automated directions to your vehicle(s).