The answer given by Hailey Dixon is your best bet. That's where I would go.
There is a parking garage/ structure next to the hotel on the west side, there is also another one on the other side of the Kalamazoo museum just north of it and finally if there is parking available on the street in front of the Radisson.
The raddison has valet parking, but if you'd rather do it yourself there are several garages around, the closest is i think north of the Radisson
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