Cuore autobox fluid level

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Found a nice Cuore primarily for use as a commuter but the only odd thing about it is that the autobox fluid level is on the lowest of the four marks on the dipstick. What should it be ideally? The colour is a nice bright pink and it changes almost imperceptibly. A DVLA check also shows the car has not been taxed for the last year so has presumably been unused until it ended up on a local car lot. Any known problems with that?