Crossword Genius

Car's kit shifted, first say switched up? (4,5)

Ross

I believe the answer is:

gear stick

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'up?' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'car's kit shifted first say switched' is the wordplay.
'shifted' indicates anagramming the letters.
'first' means one lot of letters go next to another.
'say' becomes 'eg' (both can mean for example).
'switched' says the letters should be written in reverse.
'eg' backwards is 'ge'.
'cars'+'kit'='carskit'
'carskit' anagrammed gives 'arstick'.
'arstick' after 'ge' is 'GEAR-STICK'.

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I've seen this clue in The Guardian.
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