Secure dog perhaps in vehicle (4,5)

I believe the answer is:

land rover

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'in vehicle' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'secure dog' is the wordplay.
'secure' becomes 'land' (land can mean to secure or obtain).
'dog' becomes 'rover' (Rover is a common name for a pet dog).
'land'+'rover'='LAND-ROVER'

'perhaps' is the link.

Can you help me to learn more?

(Another definition for land rover that I've seen is " car".)

I've seen this clue in The Guardian.

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