if(strcmp(cmd,"/spcars", true) == 0)
          {
                  if(IsPlayerAdmin(playerid) || PlayerInfo[playerid][pAdmin] >= 3)//Изменяйте на свой
                  {
                          for(new i = 0; i < MAX_VEHICLES; i++)
                          {
                    SetVehicleToRespawn(i);
                          }
                  }
              return 1;
          }