Mine

if(strcmp(cmdtext, "/red", true) == 0)
{
   if(IsPlayerInAnyVehicle(playerid)) {
   new vehicleid;
   vehicleid = GetPlayerVehicleID(playerid);
   ChangeVehicleColor(vehicleid,3,3);
   } else {
   SendClientMessage(playerid,COLOUR_RED,"You Need A Vehicle");
   }
   return 1;
}