Question

when operating the tire machine, make sure:
a) the tire beads do not come in contact with the tpms sensor.
b) the valve stem core is replaced prior to removing the tire.
c) the tpms sensor is removed to prevent damage.
d) all of the above.

Explanation:

When operating a tire machine, it is crucial to ensure the tire beads do not come in contact with the TPMS (Tire - Pressure Monitoring System) sensor to avoid damage. Replacing the valve stem core prior to removing the tire is also a good practice for proper tire maintenance. Removing the TPMS sensor to prevent damage during tire - machine operation is a valid step. Since all of these actions (A, B, and C) are valid precautions when operating a tire machine, option D is correct.

Answer:

D. All of the above.