diff --git a/app/src/main/res/drawable/chair.xml b/app/src/main/res/drawable/chair.xml
new file mode 100644
index 0000000..17528c3
--- /dev/null
+++ b/app/src/main/res/drawable/chair.xml
@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="64dp" android:tint="#000000" android:viewportHeight="960" android:viewportWidth="960" android:width="64dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M200,840Q183,840 171.5,828.5Q160,817 160,800L160,760L160,760Q110,760 75,725Q40,690 40,640L40,440Q40,390 75,355Q110,320 160,320L160,320L160,240Q160,190 195,155Q230,120 280,120L680,120Q730,120 765,155Q800,190 800,240L800,320L800,320Q850,320 885,355Q920,390 920,440L920,640Q920,690 885,725Q850,760 800,760L800,760L800,800Q800,817 788.5,828.5Q777,840 760,840Q743,840 731.5,828.5Q720,817 720,800L720,760L240,760L240,800Q240,817 228.5,828.5Q217,840 200,840ZM160,680L800,680Q817,680 828.5,668.5Q840,657 840,640L840,440Q840,423 828.5,411.5Q817,400 800,400Q783,400 771.5,411.5Q760,423 760,440L760,600L200,600L200,440Q200,423 188.5,411.5Q177,400 160,400Q143,400 131.5,411.5Q120,423 120,440L120,640Q120,657 131.5,668.5Q143,680 160,680ZM280,520L680,520L680,440Q680,413 691,391Q702,369 720,352L720,240Q720,223 708.5,211.5Q697,200 680,200L280,200Q263,200 251.5,211.5Q240,223 240,240L240,352Q258,369 269,391Q280,413 280,440L280,520ZM480,520L480,520Q480,520 480,520Q480,520 480,520L480,520Q480,520 480,520Q480,520 480,520L480,520Q480,520 480,520Q480,520 480,520L480,520Q480,520 480,520Q480,520 480,520L480,520ZM480,680Q480,680 480,680Q480,680 480,680L480,680Q480,680 480,680Q480,680 480,680Q480,680 480,680Q480,680 480,680L480,680L480,680L480,680Q480,680 480,680Q480,680 480,680Q480,680 480,680Q480,680 480,680L480,680Q480,680 480,680Q480,680 480,680ZM480,600Q480,600 480,600Q480,600 480,600L480,600L480,600L480,600Q480,600 480,600Q480,600 480,600L480,600L480,600Q480,600 480,600Q480,600 480,600L480,600L480,600L480,600Q480,600 480,600Q480,600 480,600L480,600Z"/>
+    
+</vector>
diff --git a/app/src/main/res/drawable/gas_gauge_full.xml b/app/src/main/res/drawable/gas_gauge_full.xml
new file mode 100644
index 0000000..eb2ee11
--- /dev/null
+++ b/app/src/main/res/drawable/gas_gauge_full.xml
@@ -0,0 +1,27 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="200dp"
+    android:height="200dp"
+    android:viewportWidth="200"
+    android:viewportHeight="200">
+  <path
+      android:pathData="M20,150A80,80 0,1 1,180 150"
+      android:strokeWidth="20"
+      android:fillColor="#00000000"
+      android:strokeColor="#e0e0e0"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M20,150A80,80 0,1 1,180 150"
+      android:strokeWidth="20"
+      android:fillColor="#00000000"
+      android:strokeColor="#4caf50"
+      android:strokeLineCap="round"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M100,150L155,70"
+      android:strokeWidth="12"
+      android:strokeColor="#333"
+      android:strokeLineCap="round"/>
+  <path
+      android:pathData="M100,150m-8,0a8,8 0,1 1,16 0a8,8 0,1 1,-16 0"
+      android:fillColor="#333"/>
+</vector>
diff --git a/app/src/main/res/drawable/outline_air_24.xml b/app/src/main/res/drawable/outline_air_24.xml
new file mode 100644
index 0000000..6f8dd38
--- /dev/null
+++ b/app/src/main/res/drawable/outline_air_24.xml
@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="960" android:viewportWidth="960" android:width="24dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M460,800Q410,800 375,765Q340,730 340,680L420,680Q420,697 431.5,708.5Q443,720 460,720Q477,720 488.5,708.5Q500,697 500,680Q500,663 488.5,651.5Q477,640 460,640L80,640L80,560L460,560Q510,560 545,595Q580,630 580,680Q580,730 545,765Q510,800 460,800ZM80,400L80,320L620,320Q646,320 663,303Q680,286 680,260Q680,234 663,217Q646,200 620,200Q594,200 577,217Q560,234 560,260L480,260Q480,201 520.5,160.5Q561,120 620,120Q679,120 719.5,160.5Q760,201 760,260Q760,319 719.5,359.5Q679,400 620,400L80,400ZM740,720L740,640Q766,640 783,623Q800,606 800,580Q800,554 783,537Q766,520 740,520L80,520L80,440L740,440Q799,440 839.5,480.5Q880,521 880,580Q880,639 839.5,679.5Q799,720 740,720Z"/>
+    
+</vector>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 50595d1..0fc6e8d 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -61,7 +61,7 @@
                             <ImageView
                                 android:layout_width="24dp"
                                 android:layout_height="24dp"
-                                android:src="@drawable/ic_volume_up"
+                                android:src="@drawable/gas_gauge_full"
                                 app:tint="@color/color_icon_tint" />
                             <TextView
                                 android:layout_width="wrap_content"
@@ -80,7 +80,7 @@
                             <ImageView
                                 android:layout_width="24dp"
                                 android:layout_height="24dp"
-                                android:src="@drawable/ic_chair"
+                                android:src="@drawable/chair"
                                 app:tint="@color/color_icon_tint" />
                             <TextView
                                 android:layout_width="wrap_content"
@@ -99,7 +99,7 @@
                             <ImageView
                                 android:layout_width="24dp"
                                 android:layout_height="24dp"
-                                android:src="@drawable/ic_no_distractions"
+                                android:src="@drawable/outline_air_24"
                                 app:tint="@color/color_icon_tint" />
                             <TextView
                                 android:layout_width="wrap_content"
diff --git a/gas_gauge_full.svg b/gas_gauge_full.svg
new file mode 100644
index 0000000..941403c
--- /dev/null
+++ b/gas_gauge_full.svg
@@ -0,0 +1,17 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200">
+  <!-- Gauge background -->
+  <path d="M 20 150 A 80 80 0 1 1 180 150"
+        fill="none" stroke="#e0e0e0" stroke-width="20" stroke-linecap="round"/>
+
+  <!-- Full fill -->
+  <path d="M 20 150 A 80 80 0 1 1 180 150"
+        fill="none" stroke="#4caf50" stroke-width="20" stroke-linecap="round"
+        stroke-dasharray="251.2" stroke-dashoffset="0"/>
+
+  <!-- Needle -->
+  <line x1="100" y1="150" x2="155" y2="70" stroke="#333" stroke-width="12" stroke-linecap="round"/>
+  <circle cx="100" cy="150" r="8" fill="#333"/>
+
+  <!-- Label -->
+  <text x="100" y="175" text-anchor="middle" font-family="Arial, sans-serif" font-size="16" font-weight="bold" fill="#4caf50">FULL</text>
+</svg>