Does PDC work with only park button ? If I am approaching something in the front, isn't it supposed to come up automatically ? Well, mine doesn't. Can there be a setting ?

Thanks in advance.

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2010 BMW X5 35d|Order:12/08/2009|Production:12/23/2009| Complete:1/12/2010|Delivery:1/16/2010
2008 BMW 328i|Platinum Bronze Metallic|Bieze|Premium|Xenons|HD|USB|Comfort Access