[leonardo1434]

Give a try.

PHP код:

CMD:neon(playerid, params[])
{
     if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER) return SendClientMessageEx(playerid, COLOR_GREY, "You are not the driver!");
     if(PlayerVehicleInfo[playerid][vehid][pvNeon] < _:true) return SendClientMessageEx(playerid, COLOR_GREY, "This vehicle doesn't have neon!");
     if(Neon[vehid] == _:true) return (UnloadNeon(playerid, vehid),SendClientMessageEx(playerid, COLOR_GREY, "Neon turned off."),Neon[vehid] = false,true);
     return (LoadNeon(playerid, vehid),SendClientMessageEx(playerid, COLOR_GREY, "Neon turned on."),Neon[vehid] = true,true);
}