HA error due car sensor not numeric

[OzGav]

Home Assistant Android app version(s):

Android version(s):
13

Device model(s):
Pixel 4a

Home Assistant version:
2023.8.1

Last working Home Assistant release (if known):

Description of problem, include YAML if issue is related to notifications:
Using the 2023.7.8-full version of app and the car sensors. Noticed this in the HA log:

2023-08-05 10:32:49.611 ERROR (MainThread) [homeassistant.components.sensor] Error adding entities for domain sensor with platform mobile_app

Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 593, in state
numerical_value = float(value) # type:ignore[arg-type]

^^^^^^^^^^^^

ValueError: could not convert string to float: 'Open Home Assistant app to activate the sensor'
The above exception was the direct cause of the following exception:

Traceback (most recent call last):

File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 510, in async_add_entities
await asyncio.gather(*tasks)
File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 750, in _async_add_entity
await entity.add_to_platform_finish()
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1004, in add_to_platform_finish
self.async_write_ha_state()
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 746, in async_write_ha_state
self._async_write_ha_state()
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 808, in _async_write_ha_state
state = self._stringify_state(available)

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 752, in _stringify_state
if (state := self.state) is None:

^^^^^^^^^^

File "/usr/src/homeassistant/homeassistant/components/sensor/__init__.py", line 595, in state
raise ValueError(
ValueError: Sensor sensor.gavin_pixel_4a_car_battery has device class 'battery', state class 'None' unit '%' and suggested precision 'None' thus indicating it has a numeric value; however, it has the non-numeric value: 'Open Home Assistant app to activate the sensor' (<class 'str'>)

Companion App Logs:

Screenshot or video of problem:

Additional information: