Honda Civic...Power steering fluid problems

Hi I own a Honda Civic Y2K model. Yesterday evening, I messed up with power steering fluid. In fact, by error(i don't know where was my mind at that time), I put some 300ml of coolant in the power steering fluid
reservoir. I realized this just after I put my car back in my parking lot. Yesterday night I had nightmares about my car breaking down.
- Is there any simplest way of draining the power steering fluid? How can I go about it? - Is there any danger in driving the car for couple of kilometers? - how much quantity of power steering liquid normally flows in the circuit?
Could anyone please help me out in sorting out this issue. thanks a lot in advance.

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