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 269408e..92dc8a7 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -3499,9 +3499,10 @@
      * Set true to enable FCW and false to disable FCW. When FCW is enabled, the ADAS system in the
      * vehicle should be turned on and monitoring for potential collisions.
      *
-     * If FCW is not available, IVehicle#get must not return any NOT_AVAILABLE value in StatusCode.
-     * Other StatusCode values like TRY_AGAIN may still be used as needed. For example, if FCW is
-     * not available because the vehicle speed is too low, IVehicle#get must return false.
+     * In general, FORWARD_COLLISION_WARNING_ENABLED should always return true or false. If the
+     * feature is not available due to some temporary state, such as the vehicle speed being too
+     * low, that information must be conveyed through the ErrorState values in the
+     * FORWARD_COLLISION_WARNING_STATE property.
      *
      * This property is defined as read_write, but OEMs have the option to implement it as read
      * only.