Crossword Genius

Prestige owner somehow expecting this feature? (5,8)

Ross

I believe the answer is:

power steering

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'this feature?' is the definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.

'prestige owner somehow' is the wordplay.
'somehow' is an anagram indicator.
'prestige'+'owner'='prestigeowner'
'prestigeowner' with letters rearranged gives 'POWER STEERING'.

'expecting' acts as a link.

Can you help me to learn more?

(Other definitions for power steering that I've seen before include "Grit sweeper on? (anag) -- it makes driving easier" , "Driver's aid" , "help in driving" , "It gives strength to a driver's elbow" .)

I've seen this clue in The Times.
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