Callers hear their voice echo if I answer calls using carplay after ios10 update

ever since i updated to ios10, anyone who calls me when i am using carplay, hear their voice echo back to them. I even tried to connect my brother's phone through CarPlay and when i called him I could hear my voice echo back. However if I connect iphone via bluetooth then this issue doesn't happen. this issue is consistent across all iPhones running on ios10 as no on previous versions.