Orange car represented self-importance (9)
I believe the answer is:
arrogance
'self-importance' is the definition.
(I've seen this before)
'orange car represented' is the wordplay.
'represented' is an anagram indicator.
'orange'+'car'='orangecar'
'orangecar' with letters rearranged gives 'ARROGANCE'.
(Other definitions for arrogance that I've seen before include "Offensive sense of superiority" , "Overbearing haughtiness" , "Conceit, self-importance" , "Overweening self-importance" , "Excessive self-importance" .)