#include <a_samp>
public OnPlayerStateChange(playerid, newstate, oldstate)
{
new vehid = GetPlayerVehicleID(playerid),
model = GetVehicleModel(vehid);
if(oldstate == PLAYER_STATE_ONFOOT && newstate == PLAYER_STATE_DRIVER || newstate == PLAYER_STATE_PASSENGER)
	{
switch(model)   // Modelos dos veiculos da policia/exercito/FBI/Swat
{
    case 407, 427, 432, 601, 599, 598, 597, 596, 528, 523, 497, 490, 433:
	{
            PlayAudioStreamForPlayer(playerid, "http://relay.radioreference.com:80/il_chicago_police2");
	}
    case 488, 582:  //Modelos dos veiculos dos reporters
	{
            PlayAudioStreamForPlayer(playerid, "http://184.154.48.106:9000");
	}
     case 417, 425, 447, 460, 469, 476, 487, 511, 512, 513, 519, 520, 548, 553, 563, 577, 592, 593 :  //Modelos de aeronaves
	{
            PlayAudioStreamForPlayer(playerid, "http://ewr2.liveatc.net/sbmt");
	}
 }
 }
if(oldstate == PLAYER_STATE_DRIVER || newstate == PLAYER_STATE_ONFOOT)
	{
	    StopAudioStreamForPlayer(playerid);
	}
return 1;
}

     case (id dos veнculos separados por virgulas) : 
	{
            Funзгo que deseja que aconteзa
	}