?This is the stage at which the flat tire is prepared for removal.First, wheel wedges 

?should be placed in front of or behind the tire to further ensure the vehicle doesn't roll while the flat tire is fixed; If a rear tire is being changed, the wheel wedges should be placed in front of the front tires.Next, the hub cap is removed using the flat end of the lug wrench.Then, the lug nuts are turned counterclockwise until their resistance is broken.Once the resistance is broken, the lug nuts are loosened about a quarter to half of a turn but not completely removedIf necessary, a foot is used.