Reminisces in the rear-vision mirror! (5,4)

I believe the answer is:

looks back

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'reminisces in the rear-vision mirror' is the definition.
I can't tell whether this defines the answer.

'reminisces in the rear' is the wordplay.
'reminisces in' becomes 'looks' (I can't explain this - if you can you should give a lot more credence to this answer).
'the rear' becomes 'back' ('back' can be a synonym of 'rear').
'looks'+'back'='LOOKS BACK'

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I've seen this clue in the Sydney Morning Herald.

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