GMC 2011 Sierra - Manual (Page 513)

Black plate (89,1) GMC Sierra Owner Manual - 2011
Vehicle Care 10-89
2. If your vehicle has wheel nut
caps, loosen them by turning the
wheel wrench counterclockwise.
If the vehicle has a center cap
with wheel nut caps, the wheel
nut caps are designed to stay
with the center cap after they
are loosened. Remove the
entire center cap.
If the wheel has a smooth center
cap, place the chisel end of the
wheel wrench in the slot on the
wheel, and gently pry it out. 3. Use the wheel wrench and turn it
counterclockwise to loosen the
wheel nuts. Do not remove the
wheel nuts yet.