Chrysler 2010 300 - Owner Manual - Manual (Page 407)

2. If equipped with steel wheels, do not remove the
wheel cover at this time. If equipped with aluminum
wheels where the center cap covers the lug nuts, use the
lug wrench to pry the center cap off carefully before
raising the vehicle.
WARNING!
To avoid possible personal injury, handle the wheel
covers with care to avoid contact with the metal edges
and retention teeth.
Center Cap Removal
406 WHAT TO DO IN EMERGENCIES