before starting to use the tool

I. Check tire inflation pressures and fuel level

II. Check lighting and signal system for proper operation

III. Adjusting front seats, head restraints and mirror to fit body measurements

What are the preparations to be made before starting to use the tool?


A) I alone

B) Only II

C) Only III

D) I, II and III.


The right answer is:  D) I, II and III.