Hi all..My car suddently appear 'PROTECT VEHICLE AGAINST ROLLING' when i reverse a car and change it from R to D , gear knob led shown gear automatically change from D to P immediately when i press a pedal to move ..i've tried to change back from P to D but again its change to P and cannot move.After a few second ( nearly 1 minute if not mistaken) its back to normal. What is going on with my car? Please advise..my car is 525i M Sport LCI 2007. Thanks