diff --git a/sketch/obd2_gauge/meter.h b/sketch/obd2_gauge/meter.h
index 93c73fb..9706f5a 100644
--- a/sketch/obd2_gauge/meter.h
+++ b/sketch/obd2_gauge/meter.h
@@ -679,17 +679,26 @@ void plotArc4(uint8_t cell, float data, int warn, int min, int max, bool digit,
 void plotFullScreen(uint8_t cell, float data, int warn, int min, int max,
                     bool digit, String unit);
 
+// 4-quadrant divider styling (2px visible automotive slate grey)
+const uint16_t QUAD_DIV_COLOR = 0x632C;
+
+inline void drawQuadrantDividers() {
+  tft.fillRect(159, 0, 2, 240, QUAD_DIV_COLOR);
+  tft.fillRect(0, 119, 320, 2, QUAD_DIV_COLOR);
+}
+
 // 4-quadrant Numeric Meter (160x120 px)
 void numericMeter4(uint8_t cell, uint8_t pid, bool redrawHeader = true) {
   int w = 160;
   int h = 120;
   int x = cell4_x[cell];
   int y = cell4_y[cell];
+  int rx = (cell & 1) ? 161 : 0;
+  int ry = (cell & 2) ? 121 : 0;
 
-  tft.fillRect(x, y, w, h, TFT_BLACK);
+  tft.fillRect(rx, ry, 159, 119, TFT_BLACK);
   drawPidIcon(x + 5, y + 5, pidConfig[pid][2]);
-  tft.drawFastVLine(159, 0, 240, 0x2104);
-  tft.drawFastHLine(0, 119, 320, 0x2104);
+  drawQuadrantDividers();
 
   if (last_valid_data[cell] != -999) {
     old_data[cell] = -999;
@@ -731,11 +740,12 @@ void plotNumeric4(uint8_t cell, float data, int warn, bool digit, String unit) {
 void arcMeter4(uint8_t cell, uint8_t pid, bool redrawHeader = true) {
   int x = cell4_x[cell];
   int y = cell4_y[cell];
+  int rx = (cell & 1) ? 161 : 0;
+  int ry = (cell & 2) ? 121 : 0;
 
-  tft.fillRect(x, y, 160, 120, TFT_BLACK);
+  tft.fillRect(rx, ry, 159, 119, TFT_BLACK);
   drawPidIcon(x + 5, y + 3, pidConfig[pid][2]);
-  tft.drawFastVLine(159, 0, 240, 0x2104);
-  tft.drawFastHLine(0, 119, 320, 0x2104);
+  drawQuadrantDividers();
 
   // Initialize all 20 blocks in DARKGREY
   for (uint8_t i = 0; i < NUM_BAR_BLOCKS; i++) {
@@ -992,8 +1002,7 @@ void initScreen() {
         arcMeter4(c, pid);
       }
     }
-    tft.drawFastVLine(159, 0, 240, 0x2104);
-    tft.drawFastHLine(0, 119, 320, 0x2104);
+    drawQuadrantDividers();
   }
 }
 /*-------------------------------*/