Car stuck on shore no good (9)

I believe the answer is:

runaround

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'car' is the definition.
(I have seen 'small car' mean 'runaround' so perhaps 'car' could also mean 'runaround')

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for runaround that I've seen before include "small car" , "deception" .)

I've seen this clue in The Sun.

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