/pj
Apply paint job on their dynamic vehicle (if supported)
In the game
Usage: /paintjob <0-3>
Apply a specific paintjob to your vehicle, work best with default color (i.e. /pa 1). Use 3 to remove.
Please note that some vehicle models can not have paintjob at all or only have fewer paintjob styles.
The shortcut for this command is: /pj
What it does
Not explained in detail yet.
Wiki