There's a little gizmo called MegaView. I've never used it before, but it looks pretty cool.http://www.bgsoflex.com/mv/megaview.html
2016 WRX STi Limited (current)2001 A4 1.8tqms (donated)1991 GVR4 #1933 (sold)old.dsmregistry.com/detail.php?carid=218 (dismantled)