How do I get the wheel to move up out of the way after I turn the car off? This used to happen all the time but now it doesnt' and I can't figure out how to reactivate it.

Thanks,

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08 BMW X5 4.8i - GONE after 6.5 yrs
Space Gray / Light Beige
Premium, Sport, 20's, Technology
SAT, Rear Climate,Heated