diff --git a/config.schema.json b/config.schema.json
index cfcff58..dfc4a72 100644
--- a/config.schema.json
+++ b/config.schema.json
@@ -22,8 +22,19 @@
         "title": "Prefix Name",
         "description": "Prefix the name of each service with the name of the vehicle",
         "type": "boolean",
-        "required": false,
         "default": true
+      },
+      "latitude": {
+        "title": "Latitude",
+        "type": "string",
+        "default": "",
+        "description": "Latitude of your Homelink device. Required to use Homelink."
+      },
+      "longitude": {
+        "title": "Longitude",
+        "type": "string",
+        "default": "",
+        "description": "Longitude of your Homelink device. Required to use Homelink."
       }
     }
   }
diff --git a/src/vehicle-services/defrost.ts b/src/vehicle-services/defrost.ts
new file mode 100644
index 0000000..26ddc71
--- /dev/null
+++ b/src/vehicle-services/defrost.ts
@@ -0,0 +1,20 @@
+import { VehicleAccessory } from "../vehicle.js";
+import { BaseService } from "./base.js";
+
+export class DefrostService extends BaseService {
+  constructor(parent: VehicleAccessory) {
+    super(parent, parent.platform.Service.Switch, "Defrost", "defrost");
+
+    const on = this.service
+      .getCharacteristic(this.parent.platform.Characteristic.On)
+      .onSet(async (value) => {
+        await this.parent.wakeUpAndWait()
+          .then(() => this.vehicle.set_preconditioning_max(value as boolean, false))
+          .then(() => on.updateValue(value));
+      });
+
+    this.parent.emitter.on("vehicle_data", (data) => {
+      on.updateValue(data.climate_state.defrost_mode > 0);
+    });
+  }
+}
diff --git a/src/vehicle-services/homelink.ts b/src/vehicle-services/homelink.ts
new file mode 100644
index 0000000..15ec39d
--- /dev/null
+++ b/src/vehicle-services/homelink.ts
@@ -0,0 +1,26 @@
+import { VehicleAccessory } from "../vehicle.js";
+import { BaseService } from "./base.js";
+
+export class HomelinkService extends BaseService {
+  constructor(parent: VehicleAccessory) {
+    super(parent, parent.platform.Service.GarageDoorOpener, "Homelink", "homelink");
+
+    const current = this.service
+      .getCharacteristic(this.parent.platform.Characteristic.CurrentDoorState);
+
+    const target = this.service
+      .getCharacteristic(this.parent.platform.Characteristic.TargetDoorState)
+      .onSet(async (value) => {
+        if (value) {
+          target.updateValue(value);
+          await this.parent.wakeUpAndWait()
+            .then(() => this.vehicle.trigger_homelink(this.platform.config.latitude, this.platform.config.longitude))
+            .then(() => {
+              current.updateValue(false);
+              target.updateValue(false);
+            });
+        }
+      });
+
+  }
+}
diff --git a/src/vehicle-services/sentry.ts b/src/vehicle-services/sentry.ts
new file mode 100644
index 0000000..dc98175
--- /dev/null
+++ b/src/vehicle-services/sentry.ts
@@ -0,0 +1,20 @@
+import { VehicleAccessory } from "../vehicle.js";
+import { BaseService } from "./base.js";
+
+export class SentryService extends BaseService {
+  constructor(parent: VehicleAccessory) {
+    super(parent, parent.platform.Service.Switch, "Sentry", "sentry");
+
+    const on = this.service
+      .getCharacteristic(this.parent.platform.Characteristic.On)
+      .onSet(async (value) => {
+        await this.parent.wakeUpAndWait()
+          .then(() => this.vehicle.set_sentry_mode(value as boolean))
+          .then(() => on.updateValue(value));
+      });
+
+    this.parent.emitter.on("vehicle_data", (data) => {
+      on.updateValue(data.vehicle_state.sentry_mode);
+    });
+  }
+}
diff --git a/src/vehicle-services/wake.ts b/src/vehicle-services/wake.ts
new file mode 100644
index 0000000..eba0ef0
--- /dev/null
+++ b/src/vehicle-services/wake.ts
@@ -0,0 +1,20 @@
+import { VehicleAccessory } from "../vehicle.js";
+import { BaseService } from "./base.js";
+
+export class WakeService extends BaseService {
+  constructor(parent: VehicleAccessory) {
+    super(parent, parent.platform.Service.Switch, "Awake", "wake");
+
+    const on = this.service
+      .getCharacteristic(this.parent.platform.Characteristic.On)
+      .onSet(async (value) => {
+        if (value) {
+          await this.parent.wakeUpAndWait().then(() => on.updateValue(value));
+        }
+      });
+
+    this.parent.emitter.on("vehicle_data", (data) => {
+      on.updateValue(data.state === "online");
+    });
+  }
+}
diff --git a/src/vehicle.ts b/src/vehicle.ts
index 4c4c91c..9ded7ba 100644
--- a/src/vehicle.ts
+++ b/src/vehicle.ts
@@ -19,9 +19,13 @@ import { ChargeLimitService } from "./vehicle-services/chargelimit.js";
 import { ChargePortService } from "./vehicle-services/chargeport.js";
 import { ChargeSwitchService } from "./vehicle-services/chargeswitch.js";
 import { ClimateService } from "./vehicle-services/climate.js";
+import { DefrostService } from "./vehicle-services/defrost.js";
 import { DoorService } from "./vehicle-services/door.js";
+import { HomelinkService } from "./vehicle-services/homelink.js";
 import { AccessoryInformationService } from "./vehicle-services/information.js";
 import { LockService } from "./vehicle-services/lock.js";
+import { SentryService } from "./vehicle-services/sentry.js";
+import { WakeService } from "./vehicle-services/wake.js";
 import { WindowService } from "./vehicle-services/windows.js";
 
 export type VehicleContext = {
@@ -66,10 +70,18 @@ export class VehicleAccessory {
     new ChargeLimitService(this);
     new ChargePortService(this);
     new ChargeSwitchService(this);
+    new DefrostService(this);
     new DoorService(this, "front");
     new DoorService(this, "rear");
+    new HomelinkService(this);
     new LockService(this);
+    new SentryService(this);
     new WindowService(this);
+    new WakeService(this);
+
+    if (this.platform.config.latitude && this.platform.config.longitude) {
+      //
+    }
 
     // Get data and schedule refresh