diff --git a/automotive/vehicle/aidl/impl/current/utils/test_vendor_properties/android/hardware/automotive/vehicle/TestVendorProperty.aidl b/automotive/vehicle/aidl/impl/current/utils/test_vendor_properties/android/hardware/automotive/vehicle/TestVendorProperty.aidl
index 3c877fa..217387f 100644
--- a/automotive/vehicle/aidl/impl/current/utils/test_vendor_properties/android/hardware/automotive/vehicle/TestVendorProperty.aidl
+++ b/automotive/vehicle/aidl/impl/current/utils/test_vendor_properties/android/hardware/automotive/vehicle/TestVendorProperty.aidl
@@ -19,6 +19,7 @@
 /**
  * Test vendor properties used in reference VHAL implementation.
  */
+@JavaDerive(toString=true)
 @Backing(type="int")
 enum TestVendorProperty {
 
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 6188dd9..5abf667 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -32,7 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.automotive.vehicle;
-@Backing(type="int") @VintfStability
+@Backing(type="int") @JavaDerive(toString=true) @VintfStability
 enum VehicleProperty {
   INVALID = 0x00000000,
   INFO_VIN = (((0x0100 + 0x10000000) + 0x01000000) + 0x00100000) /* 286261504 */,
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 797be73..2d9377f 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -39,6 +39,7 @@
  * in response to such ill formed requests.
  */
 @VintfStability
+@JavaDerive(toString=true)
 @Backing(type="int")
 enum VehicleProperty {
     /**