What is the fourth step in changing a flat tire?

The process of changing a flat tire involves a series of steps that are essential for safety and efficiency. Lifting the vehicle up is considered the fourth step because, once you have safely set up your work area and loosened the lug nuts while the vehicle is still on the ground, the next logical action is to lift the vehicle off the ground using a jack. This step is crucial as it allows you to remove the flat tire and replace it with a spare.

At this stage, having the vehicle securely raised ensures that you can work comfortably to remove the tire without the risk of the vehicle rolling or shifting, which could lead to accidents. This is why safely lifting the vehicle is positioned as a critical step in the procedure of changing a flat tire.