diff --git a/index.html b/index.html
index 8fdc588..6e4ec61 100644
--- a/index.html
+++ b/index.html
@@ -177,6 +177,13 @@ <h2><i class="icon-settings rfloat"></i>Settings</h2>
                     <input type="checkbox" id="opt_hide_recoveries">
                 </div>
             </div>
+            <div class="row option">
+                <span><b>Hide chase cars from the map</b></span>
+                <div class="switch off" id="sw_hide_chase">
+                    <span class="thumb"></span>
+                    <input type="checkbox" id="opt_hide_chase">
+                </div>
+            </div>
             <div class="row option">
                 <span><b>Highlight selected vehicle</b></span>
                 <div class="switch off" id="sw_hilight_vehicle">
@@ -210,7 +217,7 @@ <h4>Overlays</h4>
             <h4>Other</h4>
             <hr/>
             <div class="row option">
-                <span><b>Show Launch Sites</b></span>
+                <span><b>Hide Launch Sites</b></span>
                 <div class="switch off" id="sw_layers_launches">
                     <span class="thumb"></span>
                     <input type="checkbox" id="opt_layers_launches">
diff --git a/js/app.js b/js/app.js
index 885d302..b8b45b5 100644
--- a/js/app.js
+++ b/js/app.js
@@ -746,6 +746,7 @@ $(window).ready(function() {
         "#sw_daylight",
         "#sw_hide_receivers",
         "#sw_hide_recoveries",
+        "#sw_hide_chase",
         "#sw_hide_timebox",
         "#sw_hilight_vehicle",
         '#sw_hide_horizon',
@@ -811,6 +812,14 @@ $(window).ready(function() {
                         refreshRecoveries();
                     }
                     break;
+            case "opt_hide_chase":
+                if(on) {
+                    clearTimeout(periodical_listeners);
+                    deleteChase();
+                } else {
+                    refreshNewReceivers(true);
+                }
+                break;
             case "opt_hide_timebox":
                 var elm = $("#timebox");
                 if(on) {
@@ -844,9 +853,9 @@ $(window).ready(function() {
             case "opt_layers_launches":
                 showLaunchSites();
                 if(on) {
-                    map.addLayer(launches);
-                } else {
                     map.removeLayer(launches);
+                } else {
+                    map.addLayer(launches);
                 }
                 break;
             case "opt_interpolate":
diff --git a/js/tracker.js b/js/tracker.js
index f8ed65a..447f3d6 100644
--- a/js/tracker.js
+++ b/js/tracker.js
@@ -423,7 +423,9 @@ function clean_refresh(text, force, history_step) {
     clearTimeout(periodical_listeners);
 
     refresh();
-    refreshNewReceivers(true);
+    if (!offline.get("opt_hide_chase")) {
+        refreshNewReceivers(true);
+    }
 
     return true;
 }
@@ -513,7 +515,7 @@ function load() {
         map.addLayer(nite);
     }
 
-    if (offline.get("opt_layers_launches")) {
+    if (!offline.get("opt_layers_launches")) {
         showLaunchSites();
         map.addLayer(launches);
     }
@@ -2095,7 +2097,7 @@ function mapInfoBox_handle_prediction(event) {
                         formatDate(new Date(parseInt(data.time) * 1000), true) + "\n\n" +
                         "<b>Altitude:</b> " + altitude + "\n" +
                         "<b>Latitude:</b> " + data.lat + "\n" +
-                        "<b>Longtitude:</b> " + data.lon + "\n" +
+                        "<b>Longitude:</b> " + data.lon + "\n" +
                         "</pre>"
                         );
     mapInfoBox.setLatLng(event.latlng);
@@ -3512,7 +3514,9 @@ function refreshSingleNew(serial) {
     }
 
     if (serial.includes("_chase")) {
-        refreshNewReceivers(false, serial.replace("_chase", ""));
+        if (!offline.get("opt_hide_chase")) {
+            refreshNewReceivers(false, serial.replace("_chase", ""));
+        }
         return;
     }
   
@@ -3562,7 +3566,9 @@ function refreshPatreons() {
 
 function refreshReceivers() {
     if(offline.get('opt_hide_receivers')) {
-        refreshNewReceivers(true);
+        if (!offline.get("opt_hide_chase")) {
+            refreshNewReceivers(true);
+        }
     } else {
         data_str = "duration=1d";
 
@@ -3575,7 +3581,9 @@ function refreshReceivers() {
                 updateReceivers(response);
             },
             complete: function(request, textStatus) {
-                refreshNewReceivers(true);
+                if (!offline.get("opt_hide_chase")) {
+                    refreshNewReceivers(true);
+                }
             }
         });
     }
@@ -3593,13 +3601,16 @@ function refreshNewReceivers(initial, serial) {
         data_str = "duration=1m";
     }
 
+
     $.ajax({
         type: "GET",
         url: receivers_url,
         data: data_str,
         dataType: "json",
         success: function(response, textStatus) {
-            updateChase(response);
+            if (!offline.get("opt_hide_chase")) {
+                updateChase(response);
+            }
         },
         complete: function(request, textStatus) {
             if (typeof serial === 'undefined') {
@@ -3798,6 +3809,16 @@ function updateReceiverMarker(receiver) {
   }
 }
 
+function deleteChase(r) {
+    var callsign;
+    for(callsign in vehicles) {
+        if (vehicles[callsign].vehicle_type == "car") {
+            vehicles[callsign].kill();
+        }
+    }
+    car_index = 0;
+}
+
 function updateChase(r) {
     if(!r) return;