Someone

public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
        new string[256],pname[MAX_PLAYER_NAME];
        GetPlayerName(playerid, pname, sizeof(pname));
        format(string, sizeof(string),"%s (ID %d) has entered carid %d", pname, playerid, vehicleid);
        SendClientMessageToAll(0xFFFF00AA, string);
        if((playerid+1) == vehicleid)
        {
                new err=SetVehicleParamsForPlayer(vehicleid, playerid, 0, 0);
                printf("obj : %d",err);
        } else
        {
                SetPlayerPos(playerid, 2076.9675,1263.6416,10.6719 );
        }
        return 1;
}