Too bad they won't let you bring it in, at least you have an undercover garage area.
I wouldn't use that rack. How about getting creative in that parking garage and finding something solid and out of the way to secure your bike to? I used to use a handrail in our old underground parking area, it was in front of the lifts but well out of anyone's way.
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"Surely one can love his own country without becoming hopelessly lost in an all-consuming flame of narrow-minded nationalism" - Fred Birchmore