diff --git a/kort7/app.js b/kort7/app.js
index 0e12b10..e554057 100644
--- a/kort7/app.js
+++ b/kort7/app.js
@@ -19,6 +19,7 @@ L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
 
 const statusEl = document.getElementById("status");
 const alertsEl = document.getElementById("presenceAlerts");
+const selectedVehicleInfoEl = document.getElementById("selectedVehicleInfo");
 const offmapIndicatorsEl = document.getElementById("offmapIndicators");
 const playBtn = document.getElementById("playBtn");
 const pauseBtn = document.getElementById("pauseBtn");
@@ -33,6 +34,23 @@ function highlightOffmapIndicator(name) {
   });
 }
 
+function renderSelectedVehicleInfo(v, sourceLabel = "kort") {
+  if (!v) {
+    selectedVehicleInfoEl.textContent = "Klik på et køretøj eller en hjørneindikator for detaljer.";
+    return;
+  }
+
+  selectedVehicleInfoEl.innerHTML = `
+    <strong>${v.name} · valgt fra ${sourceLabel}</strong>
+    Tid: ${fmtTs(v.current.ts)}<br>
+    Position: ${v.displayLat.toFixed(5)}, ${v.displayLon.toFixed(5)}<br>
+    Hastighed: ${v.current.speedMps} m/s<br>
+    Retning: ${v.displayHeading.toFixed(0)}°<br>
+    Usikkerhed: ${v.current.uncertaintyM} m<br>
+    Status: ${v.presenceStateLabel || "ja"}
+  `;
+}
+
 function flashVehicleMarker(v) {
   const markerEl = v.marker.getElement();
   if (!markerEl) return;
@@ -48,6 +66,7 @@ function openVehiclePopup(name) {
 
   forcedPopupVehicle = name;
   highlightOffmapIndicator(name);
+  renderSelectedVehicleInfo(v, "hjørneindikator");
 
   if (!map.hasLayer(v.marker)) {
     v.marker.addTo(map);
@@ -354,6 +373,11 @@ for (const name of vehicleNames) {
   };
 
   marker.bindPopup(popupHtml(name, vehicles[name]));
+  marker.on("click", () => {
+    forcedPopupVehicle = name;
+    highlightOffmapIndicator(null);
+    renderSelectedVehicleInfo(vehicles[name], "kort");
+  });
   setHeading(marker, first.headingDeg);
 }
 
@@ -365,6 +389,9 @@ const TIME_SCALE = 0.175;
 function resetDemo() {
   simTime = 0;
   lastFrameTime = null;
+  forcedPopupVehicle = null;
+  highlightOffmapIndicator(null);
+  renderSelectedVehicleInfo(null);
 
   for (const name of vehicleNames) {
     const v = vehicles[name];
@@ -585,6 +612,7 @@ map.on("popupclose", (event) => {
   if (popupVehicle && forcedPopupVehicle === popupVehicle.name) {
     forcedPopupVehicle = null;
     highlightOffmapIndicator(null);
+    renderSelectedVehicleInfo(null);
     updateVehicleDisplay(popupVehicle);
   }
 });
diff --git a/kort7/kort7.html b/kort7/kort7.html
index b95956e..ac7f7e2 100644
--- a/kort7/kort7.html
+++ b/kort7/kort7.html
@@ -42,6 +42,22 @@
       white-space: pre-line;
     }
 
+    .hud .selection {
+      margin-top: 10px;
+      padding-top: 10px;
+      border-top: 1px solid rgba(0,0,0,0.08);
+      max-width: 320px;
+      font: 12px/1.4 system-ui, sans-serif;
+      color: #1f2937;
+    }
+
+    .hud .selection strong {
+      display: block;
+      margin-bottom: 4px;
+      font-size: 13px;
+      color: #111827;
+    }
+
     .hud .alerts {
       margin-top: 8px;
       display: grid;
@@ -162,6 +178,7 @@
       <button id="resetBtn">Reset</button>
     </div>
     <div class="status" id="status"></div>
+    <div class="selection" id="selectedVehicleInfo">Klik på et køretøj eller en hjørneindikator for detaljer.</div>
     <div class="alerts" id="presenceAlerts"></div>
   </div>
 
diff --git a/kort7/tests/kort7.spec.js b/kort7/tests/kort7.spec.js
index 0f5f67a..a3e26dc 100644
--- a/kort7/tests/kort7.spec.js
+++ b/kort7/tests/kort7.spec.js
@@ -91,7 +91,7 @@ test.describe('kort7 vehicle map', () => {
     await expect(alerts).not.toContainText('Bil 8');
   });
 
-  test('opens vehicle popup when clicking an off-map corner indicator', async ({ page }) => {
+  test('updates left info panel when clicking an off-map corner indicator', async ({ page }) => {
     await page.goto('/kort7.html');
     await page.getByRole('button', { name: 'Pause' }).click();
 
@@ -99,16 +99,10 @@ test.describe('kort7 vehicle map', () => {
     await expect(indicator).toBeVisible();
     await indicator.click();
 
-    const popup = page.locator('.leaflet-popup');
-    await expect(popup).toBeVisible();
-    await expect(popup).toContainText('Bil 9');
-    await expect(popup).toContainText('Usikkerhed:');
-    await expect(popup).toContainText('På kortet:');
-
-    await expect(page.locator('.leaflet-popup')).toBeVisible();
-
-    const popupBox = await page.locator('.leaflet-popup').boundingBox();
-    expect(popupBox).not.toBeNull();
-    expect(popupBox.y).toBeLessThan(220);
+    const selection = page.locator('#selectedVehicleInfo');
+    await expect(selection).toContainText('Bil 9');
+    await expect(selection).toContainText('valgt fra hjørneindikator');
+    await expect(selection).toContainText('Usikkerhed: 9000 m');
+    await expect(indicator).toHaveClass(/active/);
   });
 });