Added info to docs to answer Q9 from Ford pending questions.

Bug: 259309511
Test: manual build
Change-Id: Ibd47982ba7426519ca03dd110b2b6bc5fd2e8e71
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 cd1f294..1c613d0 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -407,6 +407,10 @@
      * all energy sources in a vehicle.  For example, a hybrid car's range will
      * be the sum of the ranges based on fuel and battery.
      *
+     * This property may be writable because a navigation app could update the range if it has a
+     * more accurate estimate based on the upcoming route. However, this property can be set to
+     * VehiclePropertyAccess.READ only at the OEM's discretion.
+     *
      * @change_mode VehiclePropertyChangeMode.CONTINUOUS
      * @access VehiclePropertyAccess.READ_WRITE
      * @unit VehicleUnit:METER