The outer panel may be moved downwardly from its closed position in the roof opening and may be slid backwardly between the fixed roof and the inner roof lining of {HEAD ~ the vehicle} to {TAIL ~ a wholly or partly opened position} and back 
The outer panel may be moved downwardly from its closed position in the roof opening and may be slid backwardly between the fixed roof and the inner roof lining of { HEAD ~ the vehicle } to { TAIL ~ a wholly or partly opened position } and back
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH