Merge "Added info to docs to answer Q30 from Ford pending questions." into udc-dev
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index eeafaaf..7cd020b 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -893,6 +893,9 @@
      * Values must be one of VehicleUnit::CELSIUS or VehicleUnit::FAHRENHEIT
      * Note that internally, all temperatures are represented in floating point Celsius.
      *
+     * If updating HVAC_TEMPERATURE_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS
+     * properties, then their values must be updated and communicated to the AAOS framework as well.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @data_enum VehicleUnit
@@ -1054,6 +1057,10 @@
      * For example: configArray[0] = METER
      *              configArray[1] = KILOMETER
      *              configArray[2] = MILE
+     *
+     * If updating DISTANCE_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS properties,
+     * then their values must be updated and communicated to the AAOS framework as well.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @data_enum VehicleUnit
@@ -1070,6 +1077,10 @@
      * Volume units are defined in VehicleUnit.
      * For example: configArray[0] = LITER
      *              configArray[1] = GALLON
+     *
+     * If updating FUEL_VOLUME_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS properties,
+     * then their values must be updated and communicated to the AAOS framework as well.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @data_enum VehicleUnit
@@ -1087,6 +1098,10 @@
      * For example: configArray[0] = KILOPASCAL
      *              configArray[1] = PSI
      *              configArray[2] = BAR
+     *
+     * If updating TIRE_PRESSURE_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS
+     * properties, then their values must be updated and communicated to the AAOS framework as well.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @data_enum VehicleUnit
@@ -1104,6 +1119,10 @@
      * For example: configArray[0] = WATT_HOUR
      *              configArray[1] = AMPERE_HOURS
      *              configArray[2] = KILOWATT_HOUR
+     *
+     * If updating EV_BATTERY_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS properties,
+     * then their values must be updated and communicated to the AAOS framework as well.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @data_enum VehicleUnit
@@ -1132,6 +1151,10 @@
      * For example: configArray[0] = METER_PER_SEC
      *              configArray[1] = MILES_PER_HOUR
      *              configArray[2] = KILOMETERS_PER_HOUR
+     *
+     * If updating VEHICLE_SPEED_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS
+     * properties, then their values must be updated and communicated to the AAOS framework as well.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      */