It is very small, but I hope useful tutorial. :) In this tutorial we will see how to use the trigonometry node and how to create cyclical fluctuations.
Chapter 1: carteblanchefx.net/xpresso-car-rigging-tutorial-chapter-1/
Chapter 2: carteblanchefx.net/xpresso-car-rigging-tutorial-chapter-2/
Chapter 3 and Lights settings: carteblanchefx.net/xpresso-car-rigging-tutorial-chapter-3/