diff --git a/homeassistant/components/tesla_fleet/__init__.py b/homeassistant/components/tesla_fleet/__init__.py
index 4cd8c5c7142..70db4a183aa 100644
--- a/homeassistant/components/tesla_fleet/__init__.py
+++ b/homeassistant/components/tesla_fleet/__init__.py
@@ -5,7 +5,12 @@ from typing import Final
 
 from aiohttp.client_exceptions import ClientResponseError
 import jwt
-from tesla_fleet_api import EnergySpecific, TeslaFleetApi, VehicleSpecific
+from tesla_fleet_api import (
+    EnergySpecific,
+    TeslaFleetApi,
+    VehicleSigned,
+    VehicleSpecific,
+)
 from tesla_fleet_api.const import Scope
 from tesla_fleet_api.exceptions import (
     InvalidRegion,
@@ -126,7 +131,13 @@ async def async_setup_entry(hass: HomeAssistant, entry: TeslaFleetConfigEntry) -
             # Remove the protobuff 'cached_data' that we do not use to save memory
             product.pop("cached_data", None)
             vin = product["vin"]
-            api = VehicleSpecific(tesla.vehicle, vin)
+            signing = product["command_signing"] == "required"
+            if signing:
+                if not tesla.private_key:
+                    await tesla.get_private_key("config/tesla_fleet.key")
+                api = VehicleSigned(tesla.vehicle, vin)
+            else:
+                api = VehicleSpecific(tesla.vehicle, vin)
             coordinator = TeslaFleetVehicleDataCoordinator(hass, api, product)
 
             await coordinator.async_config_entry_first_refresh()
@@ -145,7 +156,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: TeslaFleetConfigEntry) -
                     coordinator=coordinator,
                     vin=vin,
                     device=device,
-                    signing=product["command_signing"] == "required",
+                    signing=signing,
                 )
             )
         elif "energy_site_id" in product and hasattr(tesla, "energy"):
diff --git a/homeassistant/components/tesla_fleet/button.py b/homeassistant/components/tesla_fleet/button.py
index 87cd95576d2..aea0f91a97c 100644
--- a/homeassistant/components/tesla_fleet/button.py
+++ b/homeassistant/components/tesla_fleet/button.py
@@ -70,8 +70,6 @@ async def async_setup_entry(
         for vehicle in entry.runtime_data.vehicles
         for description in DESCRIPTIONS
         if Scope.VEHICLE_CMDS in entry.runtime_data.scopes
-        and (not vehicle.signing or description.key == "wake")
-        # Wake doesn't need signing
     )
 
 
diff --git a/homeassistant/components/tesla_fleet/climate.py b/homeassistant/components/tesla_fleet/climate.py
index 6199ee112b5..9a1533a688f 100644
--- a/homeassistant/components/tesla_fleet/climate.py
+++ b/homeassistant/components/tesla_fleet/climate.py
@@ -84,7 +84,7 @@ class TeslaFleetClimateEntity(TeslaFleetVehicleEntity, ClimateEntity):
     ) -> None:
         """Initialize the climate."""
 
-        self.read_only = Scope.VEHICLE_CMDS not in scopes or data.signing
+        self.read_only = Scope.VEHICLE_CMDS not in scopes
 
         if self.read_only:
             self._attr_supported_features = ClimateEntityFeature(0)
@@ -231,7 +231,7 @@ class TeslaFleetCabinOverheatProtectionEntity(TeslaFleetVehicleEntity, ClimateEn
         """Initialize the cabin overheat climate entity."""
 
         # Scopes
-        self.read_only = Scope.VEHICLE_CMDS not in scopes or data.signing
+        self.read_only = Scope.VEHICLE_CMDS not in scopes
 
         # Supported Features
         if self.read_only:
diff --git a/homeassistant/components/tesla_fleet/cover.py b/homeassistant/components/tesla_fleet/cover.py
index 4e49e24b689..2a14c4f039b 100644
--- a/homeassistant/components/tesla_fleet/cover.py
+++ b/homeassistant/components/tesla_fleet/cover.py
@@ -57,7 +57,7 @@ class TeslaFleetWindowEntity(TeslaFleetVehicleEntity, CoverEntity):
         self._attr_supported_features = (
             CoverEntityFeature.OPEN | CoverEntityFeature.CLOSE
         )
-        if not self.scoped or self.vehicle.signing:
+        if not self.scoped:
             self._attr_supported_features = CoverEntityFeature(0)
 
     def _async_update_attrs(self) -> None:
@@ -111,7 +111,7 @@ class TeslaFleetChargePortEntity(TeslaFleetVehicleEntity, CoverEntity):
         self._attr_supported_features = (
             CoverEntityFeature.OPEN | CoverEntityFeature.CLOSE
         )
-        if not self.scoped or self.vehicle.signing:
+        if not self.scoped:
             self._attr_supported_features = CoverEntityFeature(0)
 
     def _async_update_attrs(self) -> None:
@@ -144,7 +144,7 @@ class TeslaFleetFrontTrunkEntity(TeslaFleetVehicleEntity, CoverEntity):
 
         self.scoped = Scope.VEHICLE_CMDS in scopes
         self._attr_supported_features = CoverEntityFeature.OPEN
-        if not self.scoped or self.vehicle.signing:
+        if not self.scoped:
             self._attr_supported_features = CoverEntityFeature(0)
 
     def _async_update_attrs(self) -> None:
@@ -172,7 +172,7 @@ class TeslaFleetRearTrunkEntity(TeslaFleetVehicleEntity, CoverEntity):
         self._attr_supported_features = (
             CoverEntityFeature.OPEN | CoverEntityFeature.CLOSE
         )
-        if not self.scoped or self.vehicle.signing:
+        if not self.scoped:
             self._attr_supported_features = CoverEntityFeature(0)
 
     def _async_update_attrs(self) -> None:
@@ -216,7 +216,7 @@ class TeslaFleetSunroofEntity(TeslaFleetVehicleEntity, CoverEntity):
         super().__init__(vehicle, "vehicle_state_sun_roof_state")
 
         self.scoped = Scope.VEHICLE_CMDS in scopes
-        if not self.scoped or self.vehicle.signing:
+        if not self.scoped:
             self._attr_supported_features = CoverEntityFeature(0)
 
     def _async_update_attrs(self) -> None:
diff --git a/homeassistant/components/tesla_fleet/entity.py b/homeassistant/components/tesla_fleet/entity.py
index 60230cd881d..0ee41b5e322 100644
--- a/homeassistant/components/tesla_fleet/entity.py
+++ b/homeassistant/components/tesla_fleet/entity.py
@@ -123,14 +123,6 @@ class TeslaFleetVehicleEntity(TeslaFleetEntity):
         """Wake up the vehicle if its asleep."""
         await wake_up_vehicle(self.vehicle)
 
-    def raise_for_read_only(self, scope: Scope) -> None:
-        """Raise an error if no command signing or a scope is not available."""
-        if self.vehicle.signing:
-            raise ServiceValidationError(
-                translation_domain=DOMAIN, translation_key="command_signing"
-            )
-        super().raise_for_read_only(scope)
-
 
 class TeslaFleetEnergyLiveEntity(TeslaFleetEntity):
     """Parent class for TeslaFleet Energy Site Live entities."""
diff --git a/homeassistant/components/tesla_fleet/media_player.py b/homeassistant/components/tesla_fleet/media_player.py
index 0a1d18c3407..455c990077d 100644
--- a/homeassistant/components/tesla_fleet/media_player.py
+++ b/homeassistant/components/tesla_fleet/media_player.py
@@ -64,7 +64,7 @@ class TeslaFleetMediaEntity(TeslaFleetVehicleEntity, MediaPlayerEntity):
         """Initialize the media player entity."""
         super().__init__(data, "media")
         self.scoped = scoped
-        if not scoped and data.signing:
+        if not scoped:
             self._attr_supported_features = MediaPlayerEntityFeature(0)
 
     def _async_update_attrs(self) -> None:
diff --git a/homeassistant/components/tesla_fleet/strings.json b/homeassistant/components/tesla_fleet/strings.json
index 942824c5043..fe5cd06c1ef 100644
--- a/homeassistant/components/tesla_fleet/strings.json
+++ b/homeassistant/components/tesla_fleet/strings.json
@@ -504,9 +504,6 @@
     "command_no_reason": {
       "message": "Command was unsuccessful but did not return a reason why."
     },
-    "command_signing": {
-      "message": "Vehicle requires command signing. Please see documentation for more details."
-    },
     "invalid_cop_temp": {
       "message": "Cabin overheat protection does not support that temperature."
     },
diff --git a/tests/components/tesla_fleet/conftest.py b/tests/components/tesla_fleet/conftest.py
index cc580212233..0dc5d87984f 100644
--- a/tests/components/tesla_fleet/conftest.py
+++ b/tests/components/tesla_fleet/conftest.py
@@ -167,3 +167,13 @@ def mock_request():
         return_value=COMMAND_OK,
     ) as mock_request:
         yield mock_request
+
+
+@pytest.fixture(autouse=True)
+def mock_signed_command() -> Generator[AsyncMock]:
+    """Mock Tesla Fleet Api signed_command method."""
+    with patch(
+        "homeassistant.components.tesla_fleet.VehicleSigned.signed_command",
+        return_value=COMMAND_OK,
+    ) as mock_signed_command:
+        yield mock_signed_command
diff --git a/tests/components/tesla_fleet/snapshots/test_media_player.ambr b/tests/components/tesla_fleet/snapshots/test_media_player.ambr
index d6f3f3e4825..cc3018364a5 100644
--- a/tests/components/tesla_fleet/snapshots/test_media_player.ambr
+++ b/tests/components/tesla_fleet/snapshots/test_media_player.ambr
@@ -105,7 +105,7 @@
     'original_name': 'Media player',
     'platform': 'tesla_fleet',
     'previous_unique_id': None,
-    'supported_features': <MediaPlayerEntityFeature: 16437>,
+    'supported_features': 0,
     'translation_key': 'media',
     'unique_id': 'LRWXF7EK4KC700000-media',
     'unit_of_measurement': None,
@@ -123,7 +123,7 @@
       'media_position': 1.0,
       'media_title': 'Chapter 51: Cybertruck: Tesla, 2018–2019',
       'source': 'Audible',
-      'supported_features': <MediaPlayerEntityFeature: 16437>,
+      'supported_features': <MediaPlayerEntityFeature: 0>,
       'volume_level': 0.16129355359011466,
     }),
     'context': <ANY>,
diff --git a/tests/components/tesla_fleet/test_button.py b/tests/components/tesla_fleet/test_button.py
index addba00b93d..07fdc962be9 100644
--- a/tests/components/tesla_fleet/test_button.py
+++ b/tests/components/tesla_fleet/test_button.py
@@ -1,13 +1,16 @@
 """Test the Tesla Fleet button platform."""
 
-from unittest.mock import patch
+from copy import deepcopy
+from unittest.mock import AsyncMock, patch
 
 import pytest
 from syrupy import SnapshotAssertion
+from tesla_fleet_api.exceptions import NotOnWhitelistFault
 
 from homeassistant.components.button import DOMAIN as BUTTON_DOMAIN, SERVICE_PRESS
 from homeassistant.const import ATTR_ENTITY_ID, Platform
 from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers import entity_registry as er
 
 from . import assert_entities, setup_platform
@@ -63,3 +66,30 @@ async def test_press(
             blocking=True,
         )
         command.assert_called_once()
+
+
+async def test_press_signing_error(
+    hass: HomeAssistant, normal_config_entry: MockConfigEntry, mock_products: AsyncMock
+) -> None:
+    """Test pressing a button with a signing error."""
+    # Enable Signing
+    new_product = deepcopy(mock_products.return_value)
+    new_product["response"][0]["command_signing"] = "required"
+    mock_products.return_value = new_product
+
+    await setup_platform(hass, normal_config_entry, [Platform.BUTTON])
+
+    with (
+        patch(
+            "homeassistant.components.tesla_fleet.VehicleSigned.flash_lights",
+            side_effect=NotOnWhitelistFault,
+        ),
+        pytest.raises(HomeAssistantError) as error,
+    ):
+        await hass.services.async_call(
+            BUTTON_DOMAIN,
+            SERVICE_PRESS,
+            {ATTR_ENTITY_ID: ["button.test_flash_lights"]},
+            blocking=True,
+        )
+    assert error.from_exception(NotOnWhitelistFault)
diff --git a/tests/components/tesla_fleet/test_init.py b/tests/components/tesla_fleet/test_init.py
index 9dcac4ec388..7c17f986663 100644
--- a/tests/components/tesla_fleet/test_init.py
+++ b/tests/components/tesla_fleet/test_init.py
@@ -1,5 +1,6 @@
 """Test the Tesla Fleet init."""
 
+from copy import deepcopy
 from unittest.mock import AsyncMock, patch
 
 from aiohttp import RequestInfo
@@ -404,3 +405,22 @@ async def test_init_region_issue_failed(
     await setup_platform(hass, normal_config_entry)
     mock_find_server.assert_called_once()
     assert normal_config_entry.state is ConfigEntryState.SETUP_ERROR
+
+
+async def test_signing(
+    hass: HomeAssistant,
+    normal_config_entry: MockConfigEntry,
+    mock_products: AsyncMock,
+) -> None:
+    """Tests when a vehicle requires signing."""
+
+    # Make the vehicle require command signing
+    products = deepcopy(mock_products.return_value)
+    products["response"][0]["command_signing"] = "required"
+    mock_products.return_value = products
+
+    with patch(
+        "homeassistant.components.tesla_fleet.TeslaFleetApi.get_private_key"
+    ) as mock_get_private_key:
+        await setup_platform(hass, normal_config_entry)
+        mock_get_private_key.assert_called_once()
diff --git a/tests/components/tesla_fleet/test_switch.py b/tests/components/tesla_fleet/test_switch.py
index 5cf812439a5..fba4fc05cc4 100644
--- a/tests/components/tesla_fleet/test_switch.py
+++ b/tests/components/tesla_fleet/test_switch.py
@@ -1,6 +1,5 @@
 """Test the tesla_fleet switch platform."""
 
-from copy import deepcopy
 from unittest.mock import AsyncMock, patch
 
 import pytest
@@ -166,29 +165,3 @@ async def test_switch_no_scope(
             {ATTR_ENTITY_ID: "switch.test_auto_steering_wheel_heater"},
             blocking=True,
         )
-
-
-async def test_switch_no_signing(
-    hass: HomeAssistant,
-    entity_registry: er.EntityRegistry,
-    normal_config_entry: MockConfigEntry,
-    mock_products: AsyncMock,
-) -> None:
-    """Tests that the switch entities are correct."""
-
-    # Make the vehicle require command signing
-    products = deepcopy(mock_products.return_value)
-    products["response"][0]["command_signing"] = "required"
-    mock_products.return_value = products
-
-    await setup_platform(hass, normal_config_entry, [Platform.SWITCH])
-    with pytest.raises(
-        ServiceValidationError,
-        match="Vehicle requires command signing. Please see documentation for more details",
-    ):
-        await hass.services.async_call(
-            SWITCH_DOMAIN,
-            SERVICE_TURN_OFF,
-            {ATTR_ENTITY_ID: "switch.test_auto_steering_wheel_heater"},
-            blocking=True,
-        )