Which is to be done:
Move the mouse pointer over the individual section objects, e.g. the rim, the engine or the seat. As soon as the designation of the section object ("Tool Tip") appears click once. Now opens a new window with a 3D-Object, the section object and detailed specification.
Rim
= click on the rim
.
Engine
= click on the hood to open it, then click on the engine
.
Seat
= click on the door to open it then click on the seat.