diff --git a/NodeController/GUI/Panel/CollapsorButton.cs b/NodeController/GUI/Panel/CollapsorButton.cs
index 475c9bf..e4e9b44 100644
--- a/NodeController/GUI/Panel/CollapsorButton.cs
+++ b/NodeController/GUI/Panel/CollapsorButton.cs
@@ -1,11 +1,14 @@
 namespace NodeController.GUI {
+    using ColossalFramework;
     using ColossalFramework.UI;
     using KianCommons.UI;
     using System.Collections;
     using UnityEngine;
 
     public class CollapsorButton : UIButton {
-        UIPanel targetPanel_;
+        private static SavedBool showAdvanced_ = new SavedBool("ShowAdvanced", Settings.FileName, false, true);
+        private UIPanel targetPanel_;
+                
         public override void Awake() {
             base.Awake();
             name = GetType().FullName;
@@ -32,18 +35,22 @@ public override void Awake() {
 
         public void SetTarget(UIPanel panel) {
             targetPanel_ = panel;
-            targetPanel_.Hide();
+            if (!showAdvanced_.value) {
+                targetPanel_.Hide();
+            }
         }
         public void Collapse() {
             targetPanel_.Hide();
             text = text.Replace("▲", "▼");
             GetComponentInParent<UIPanelBase>().Refresh();
+            showAdvanced_.value = false;
         }
 
         public void Open() {
             targetPanel_.Show();
             text = text.Replace("▼", "▲");
             GetComponentInParent<UIPanelBase>().Refresh();
+            showAdvanced_.value = true;
         }
 
         protected override void OnClick(UIMouseEventParameter p) {
diff --git a/NodeController/NodeController.csproj b/NodeController/NodeController.csproj
index 0bb91b1..43578ca 100644
--- a/NodeController/NodeController.csproj
+++ b/NodeController/NodeController.csproj
@@ -7,7 +7,7 @@
     <Product>NodeController</Product>
     <Copyright>Copyright ©  2020</Copyright>
     <Deterministic>false</Deterministic>
-    <AssemblyVersion>2.6.2.*</AssemblyVersion>
+    <AssemblyVersion>2.6.3.*</AssemblyVersion>
     <FileAlignment>512</FileAlignment>
     <LangVersion>latest</LangVersion>
     <DebugType>full</DebugType>