diff --git a/src/background/actions/operation.js b/src/background/actions/operation.js
index 1188ea2..56eb168 100644
--- a/src/background/actions/operation.js
+++ b/src/background/actions/operation.js
@@ -73,6 +73,10 @@ const exec = (operation, tab) => {
     return browser.tabs.sendMessage(tab.id, {
       type: messages.CONSOLE_SHOW_FIND
     });
+  case operations.CANCEL:
+    return browser.tabs.sendMessage(tab.id, {
+      type: messages.CONSOLE_HIDE,
+    });
   default:
     return Promise.resolve();
   }
diff --git a/src/content/actions/setting.js b/src/content/actions/setting.js
index 0238c71..4c1e385 100644
--- a/src/content/actions/setting.js
+++ b/src/content/actions/setting.js
@@ -1,10 +1,17 @@
 import actions from 'content/actions';
 import * as keyUtils from 'shared/utils/keys';
+import operations from 'shared/operations';
+
+const reservedKeymaps = {
+  '<Esc>': { type: operations.CANCEL },
+  '<C-[>': { type: operations.CANCEL },
+};
 
 const set = (value) => {
   let entries = [];
   if (value.keymaps) {
-    entries = Object.entries(value.keymaps).map((entry) => {
+    let keymaps = Object.assign({}, value.keymaps, reservedKeymaps);
+    entries = Object.entries(keymaps).map((entry) => {
       return [
         keyUtils.fromMapKeys(entry[0]),
         entry[1],
diff --git a/src/shared/messages.js b/src/shared/messages.js
index de00a3f..b7a1a7e 100644
--- a/src/shared/messages.js
+++ b/src/shared/messages.js
@@ -32,6 +32,7 @@ export default {
   CONSOLE_SHOW_ERROR: 'console.show.error',
   CONSOLE_SHOW_INFO: 'console.show.info',
   CONSOLE_SHOW_FIND: 'console.show.find',
+  CONSOLE_HIDE: 'console.hide',
 
   FOLLOW_START: 'follow.start',
   FOLLOW_REQUEST_COUNT_TARGETS: 'follow.request.count.targets',
diff --git a/src/shared/operations.js b/src/shared/operations.js
index 008e9eb..a2f980f 100644
--- a/src/shared/operations.js
+++ b/src/shared/operations.js
@@ -1,4 +1,7 @@
 export default {
+  // Hide console, or cancel some user actions
+  CANCEL: 'cancel',
+
   // Addons
   ADDON_ENABLE: 'addon.enable',
   ADDON_DISABLE: 'addon.disable',
diff --git a/test/background/reducers/setting.test.js b/test/background/reducers/setting.test.js
index 2ef98cb..8df5abe 100644
--- a/test/background/reducers/setting.test.js
+++ b/test/background/reducers/setting.test.js
@@ -30,7 +30,6 @@ describe("setting reducer", () => {
     };
     state = settingReducer(state, action);
 
-    console.log(state);
     expect(state.value.properties).to.have.property('smoothscroll', true);
     expect(state.value.properties).to.have.property('encoding', 'utf-8');
   });
diff --git a/test/content/actions/setting.test.js b/test/content/actions/setting.test.js
index 1248edf..3112b2d 100644
--- a/test/content/actions/setting.test.js
+++ b/test/content/actions/setting.test.js
@@ -23,6 +23,8 @@ describe("setting actions", () => {
       let map = new Map(keymaps);
       expect(map).to.have.deep.all.keys(
         [
+          [{ key: 'Esc', shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }],
+          [{ key: '[', shiftKey: false, ctrlKey: true, altKey: false, metaKey: false }],
           [{ key: 'd', shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },
            { key: 'd', shiftKey: false, ctrlKey: false, altKey: false, metaKey: false }],
           [{ key: 'z', shiftKey: false, ctrlKey: false, altKey: false, metaKey: false },