script car

Has enabled dedicated to car racing game I bought from the net and my question is*This script contains a total of custom scripts for example speed and Lighting taillights, headlights and enabled sound and stopped the car and enabled the wheels and enabled endpoint, etc. .........*I noticed that these orders are all in JavaScript and one under one name My question is, how will I know enabled allotted to each order, for example enabled backlight when the vehicle stops how to know when you open this script to a range of lines in this script is customized for lighting so that I can learn and I know how it is writing the script on the lighting and to clarify the more you here ordered from orders Alunita help me in determining the custom script lighting, for example, within a script file that contains a set of commands .... Thank you