Power steering fluid keeps going below minimum level in my 2015 Honda Pilot?

Hi, I drive a 2015 Honda Pilot which I bought in June of this year. Since then, I've had to refill power steering fluid 3 times because it falls below minimum level after a short period. I have not seen any fluid drops on the ground. I will bring the car to the dealership but is there anything I can do besides refilling the fluid again, so I don't have to make tbe trip to the dealership?
Thanks.

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