#include <a_samp>
public OnPlayerStateChange(playerid, newstate, oldstate)
{
new carid = GetPlayerVehicleID(playerid);
if((carid <= 407) && (carid <= 427) || (carid <= 432) || (carid <= 433) && (carid <= 490) || (carid >= 497) && (carid >= 523) || (carid >= 528) && (carid <= 596) || (carid >= 597) && (carid <= 598) && (carid <= 599) && (carid <= 601))
    if(oldstate == PLAYER_STATE_ONFOOT && newstate == PLAYER_STATE_DRIVER || newstate == PLAYER_STATE_PASSENGER)
    {
        PlayAudioStreamForPlayer(playerid, "http://relay.radioreference.com:80/il_chicago_police2");
        SendClientMessage(playerid, -1, "{0000FF}Voce está a ouvir uma radio oficial da policia de {FF0000}Chicago!");
    }
if(oldstate == PLAYER_STATE_DRIVER && newstate == PLAYER_STATE_ONFOOT)
    {
        StopAudioStreamForPlayer(playerid);
    }
return 1;
}