Macro Monday: Things Are Really Heating Up (Part 1)

Answers to last week's pictures:
1) Car battery (terminal).
2) Headlight (high beam).
3) Tire (right rear).
4) Air vent (passenger front).
5) Disc brake (right rear).

For bonus points, what make/model of vehicle are those from?

And now this week's pictures:

That is all.