diff --git a/sketch/obd2_gauge/config.h b/sketch/obd2_gauge/config.h
index 583c9b9..9ecf077 100644
--- a/sketch/obd2_gauge/config.h
+++ b/sketch/obd2_gauge/config.h
@@ -194,7 +194,7 @@ void warningMenu() {
 }
 
 // -------------------------------------------------------------
-// Sub-screen 1: Volumen de Bip (Ajuste Tactil con Prueba en Vivo)
+// Sub-screen 1: Volumen de Bip (Ajuste Tactil Directo)
 // -------------------------------------------------------------
 void volumeMenu() {
   clickSound();
@@ -204,62 +204,92 @@ void volumeMenu() {
   tft.drawCentreString("[---   Volumen de Bip   ---]", 159, 0, 4);
 
   auto drawVolUI = []() {
-    tft.fillRect(0, 34, 320, 96, TFT_BLACK);
+    tft.fillRect(0, 28, 320, 122, TFT_BLACK);
 
     // Level number and title
     tft.setTextColor(TFT_WHITE, TFT_BLACK);
-    String lvlStr = "Nivel " + String(buzzerVolumeLevel) + " / 5";
-    tft.drawCentreString(lvlStr.c_str(), 160, 38, 4);
+    String lvlStr = "Nivel " + String(buzzerVolumeLevel) + " de 5";
+    tft.drawCentreString(lvlStr.c_str(), 160, 32, 4);
 
     tft.setTextColor(buzzerVolumeLevel == 0 ? TFT_RED : TFT_CYAN, TFT_BLACK);
-    tft.drawCentreString(VOL_NAME_TABLE[buzzerVolumeLevel], 160, 66, 4);
+    tft.drawCentreString(VOL_NAME_TABLE[buzzerVolumeLevel], 160, 56, 4);
 
-    // Visual volume meter bar (5 discrete blocks)
-    for (uint8_t b = 1; b <= 5; b++) {
-      uint16_t bCol = (b <= buzzerVolumeLevel) ? (b >= 4 ? TFT_ORANGE : TFT_GREEN) : METER_INACTIVE_COLOR;
-      tft.fillRect(36 + (b - 1) * 50, 102, 44, 20, bCol);
+    // 6 Direct Touch Tiles (0 to 5)
+    for (uint8_t i = 0; i <= 5; i++) {
+      int16_t bx = 7 + i * 52;
+      int16_t by = 88;
+      int16_t bw = 46;
+      int16_t bh = 54;
+      bool isSel = (i == buzzerVolumeLevel);
+
+      uint16_t bgCol;
+      if (isSel) {
+        bgCol = (i == 0) ? 0x8000 : (i >= 4 ? TFT_ORANGE : (i >= 2 ? TFT_GREEN : 0x03E0));
+      } else {
+        bgCol = 0x18E3; // Dark charcoal slate
+      }
+
+      tft.fillRoundRect(bx, by, bw, bh, 5, bgCol);
+      if (isSel) {
+        tft.drawRoundRect(bx, by, bw, bh, 5, TFT_WHITE);
+        tft.drawRoundRect(bx + 1, by + 1, bw - 2, bh - 2, 4, TFT_WHITE);
+      }
+
+      tft.setTextColor(isSel ? TFT_WHITE : 0xAD55, bgCol);
+      if (i == 0) {
+        tft.drawCentreString("MUTE", bx + bw / 2, by + 8, 2);
+        tft.drawCentreString("0", bx + bw / 2, by + 26, 4);
+      } else {
+        tft.drawCentreString(String(i).c_str(), bx + bw / 2, by + 12, 6);
+      }
     }
   };
 
   drawVolUI();
 
-  // Draw interactive buttons
-  // [ - BAJAR ]
-  tft.fillRoundRect(20, 136, 85, 42, 6, TFT_NAVY);
-  tft.setTextColor(TFT_WHITE);
-  tft.drawCentreString("- BAJAR", 62, 148, 2);
+  // Bottom action buttons (large touch targets)
+  auto drawStepButtons = []() {
+    tft.fillRoundRect(15, 152, 138, 38, 5, TFT_NAVY);
+    tft.setTextColor(TFT_WHITE);
+    tft.drawCentreString("-  BAJAR", 84, 161, 4);
 
-  // [ PROBAR ]
-  tft.fillRoundRect(115, 136, 90, 42, 6, 0x03E0); // Dark Green
-  tft.setTextColor(TFT_WHITE);
-  tft.drawCentreString("PROBAR", 160, 148, 2);
+    tft.fillRoundRect(167, 152, 138, 38, 5, TFT_NAVY);
+    tft.setTextColor(TFT_WHITE);
+    tft.drawCentreString("+  SUBIR", 236, 161, 4);
 
-  // [ + SUBIR ]
-  tft.fillRoundRect(215, 136, 85, 42, 6, TFT_NAVY);
-  tft.setTextColor(TFT_WHITE);
-  tft.drawCentreString("+ SUBIR", 257, 148, 2);
-
-  // [ GUARDAR Y VOLVER ]
-  tft.fillRoundRect(40, 192, 240, 38, 6, TFT_BLUE);
-  tft.setTextColor(TFT_WHITE);
-  tft.drawCentreString("GUARDAR Y VOLVER", 160, 202, 2);
+    // [ GUARDAR Y SALIR ]
+    tft.fillRoundRect(25, 198, 270, 36, 5, 0x02EC); // Rich Ocean Blue
+    tft.setTextColor(TFT_WHITE);
+    tft.drawCentreString("GUARDAR Y SALIR", 160, 206, 4);
+  };
 
+  drawStepButtons();
   delay(200);
 
   while (true) {
     autoDim();
     uint16_t tx = 0, ty = 0;
     if (getTouch(&tx, &ty)) {
-      if (ty >= 136 && ty < 178) {
-        if (tx >= 20 && tx < 105) { // BAJAR
+      // 1. Direct Touch on the 6 volume tiles (y: 82 to 146)
+      if (ty >= 82 && ty <= 146) {
+        int8_t touchedLvl = (tx - 7) / 52;
+        if (touchedLvl >= 0 && touchedLvl <= 5) {
+          buzzerVolumeLevel = touchedLvl;
+          drawVolUI();
+          casioBeep(2048, 20); // Immediate acoustic feedback at selected volume
+        }
+        while (isScreenPressed()) { delay(10); yield(); }
+        delay(50);
+      }
+      // 2. Step buttons (- BAJAR / + SUBIR) (y: 148 to 192)
+      else if (ty >= 148 && ty <= 192) {
+        if (tx >= 10 && tx < 155) { // BAJAR
           if (buzzerVolumeLevel > 0) {
             buzzerVolumeLevel--;
             drawVolUI();
             casioBeep(2048, 20);
           }
-        } else if (tx >= 115 && tx < 205) { // PROBAR
-          casioBeep(2048, 20);
-        } else if (tx >= 215 && tx < 300) { // SUBIR
+        } else if (tx >= 160 && tx <= 310) { // SUBIR
           if (buzzerVolumeLevel < 5) {
             buzzerVolumeLevel++;
             drawVolUI();
@@ -267,8 +297,10 @@ void volumeMenu() {
           }
         }
         while (isScreenPressed()) { delay(10); yield(); }
-        delay(60);
-      } else if ((ty >= 190 && ty <= 236 && tx >= 30 && tx <= 290) || ty < 30) { // GUARDAR Y VOLVER
+        delay(50);
+      }
+      // 3. GUARDAR Y SALIR (y: 196 to 238) or top bar
+      else if ((ty >= 196 && ty <= 238 && tx >= 20 && tx <= 300) || ty < 30) {
         casioBeep(4096, 25);
         pref.begin("setting", false);
         pref.putUChar("b_vol", buzzerVolumeLevel);