Safelite came to my house today to install a new windshield due to my rearview mirror breaking off from the windshield but now I noticed my rearview mirror says C where the digital direction display usually says n,s,e,w etc. What does this C mean? And also I noticed the mirror is swiveling on the metal tab that it sits on when I go to move the mirror. Any suggestions on fixing these 2 problems I'm afraid to move the mirror now insurance will not cover it again if it breaks this fast again.. please help a new guy out.

 

Anyone please some suggestions. I'm lossst