Green lights? Go! Steer a hybrid (6,2)

I believe the answer is:

agrees to

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'green lights?' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'go steer a hybrid' is the wordplay.
'hybrid' is an anagram indicator (a hybrid is a mixture).
'go'+'steer'+'a'='gosteera'
'gosteera' anagrammed gives 'AGREES TO'.

Can you help me to learn more?

(Another definition for agrees to that I've seen is " Sanctions".)

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

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