diff --git a/examples/open_trunk_example/bs_vehicletrunk/bs_vehicletrunk.cpp b/examples/open_trunk_example/bs_vehicletrunk/bs_vehicletrunk.cpp
index 3fa49ac..d6f567d 100644
--- a/examples/open_trunk_example/bs_vehicletrunk/bs_vehicletrunk.cpp
+++ b/examples/open_trunk_example/bs_vehicletrunk/bs_vehicletrunk.cpp
@@ -11,6 +11,11 @@
 #include <iostream>
 #include "bs_vehicletrunk.h"
 
+namespace
+{
+constexpr float kMovingSpeedThresholdKmh = 0.0F;
+}
+
 /**
  * @brief Constructor
  */
@@ -41,7 +46,8 @@ CBasicServiceVehicleTrunk::CBasicServiceVehicleTrunk()
  */
 bool CBasicServiceVehicleTrunk::SetOpen(bool value)
 {
-	if (m_Speed)
+	// Block only opening requests while vehicle is moving; closing must always be allowed.
+	if (value && (m_Speed > kMovingSpeedThresholdKmh))
 		return false;
 	return m_ptrOpen->WriteOpen(value);
 }
@@ -49,4 +55,10 @@ bool CBasicServiceVehicleTrunk::SetOpen(bool value)
 void CBasicServiceVehicleTrunk::SetSpeed(float value)
 {
     m_Speed = value;
+
+    // Safety fallback: if vehicle starts moving, force trunk to closed state.
+    if (m_Speed > kMovingSpeedThresholdKmh)
+    {
+        (void)m_ptrOpen->WriteOpen(false);
+    }
 }
diff --git a/examples/open_trunk_example/open_trunk_app/console.cpp b/examples/open_trunk_example/open_trunk_app/console.cpp
index 89bc528..1975242 100644
--- a/examples/open_trunk_example/open_trunk_app/console.cpp
+++ b/examples/open_trunk_example/open_trunk_app/console.cpp
@@ -108,7 +108,7 @@ void CConsole::PrintHeader(uint32_t uiInstance)
     PrintText(g_sSeparator4, "============================================================================");
     PrintText(g_sComment1, "The Open Trunk  signal has a safety request.");
     PrintText(g_sComment2, "Therefore the speed value is required and must be checked.");
-    PrintText(g_sComment3, "If the car is moving the open trunk is blocked.");
+    PrintText(g_sComment3, "If the car is moving, open is blocked and trunk is closed automatically.");
     PrintText(g_sSeparator5, "============================================================================");
     PrintText(g_sOpenViaDevice, "Vehicle Device Interface not available.");
     PrintText(g_sOpenViaService, "Basic Service Interface not available.");    
@@ -237,11 +237,18 @@ void CConsole::WriteSpeed(float value)
 
 void CConsole::SetSpeed(float value)
 {
+    const bool bIsMoving = (value > 0.0F);
     if (m_SpeedBS != value)
     {
         m_SpeedBS = value;
         PrintValue(g_sBasicServiceSpeed, "Vehicle Speed RX", m_SpeedBS, "km/h");
     }
+
+    if (bIsMoving && !m_bWasMovingBS)
+    {
+        PrintText(g_sOpenViaService, "Safety active: speed > 0, trunk close command sent.");
+    }
+    m_bWasMovingBS = bIsMoving;
 }
 
 bool CConsole::KeyHit()
@@ -310,7 +317,7 @@ void CConsole::RunUntilBreak()
             if (m_pTrunkService)
             {
                 if (m_pTrunkService->SetOpen(true))
-                    PrintText(g_sOpenViaService, "Trunk opened safely.");
+                    PrintText(g_sOpenViaService, "Trunk opened safely (auto-close if vehicle starts moving).");
                 else
                     PrintText(g_sOpenViaService, "Open trunk failed, car is moving.");
             }
diff --git a/examples/open_trunk_example/open_trunk_app/console.h b/examples/open_trunk_example/open_trunk_app/console.h
index 2e64043..326e833 100644
--- a/examples/open_trunk_example/open_trunk_app/console.h
+++ b/examples/open_trunk_example/open_trunk_app/console.h
@@ -161,6 +161,7 @@ private:
     float               m_SpeedDL = 0.0;                    ///< Speed Data Link
     float               m_SpeedVD = 0.0;                    ///< Speed Vehicle Device
     float               m_SpeedBS = 0.0;                    ///< Speed Basic Service
+    bool                m_bWasMovingBS = false;             ///< Transition flag for movement status.
 
     vss::Vehicle::Body::TrunkService::IVSS_SetOpen* m_pTrunkService = nullptr;  ///< trunk (basic service)
     vss::Vehicle::Body::TrunkDevice::IVSS_WriteOpen* m_pTrunkDevice = nullptr; ///< trunk (vehicle device)
diff --git a/sdv_services/core/installation_composer.cpp b/sdv_services/core/installation_composer.cpp
index e8e6d0f..ce518b0 100644
--- a/sdv_services/core/installation_composer.cpp
+++ b/sdv_services/core/installation_composer.cpp
@@ -1246,7 +1246,7 @@ sdv::installation::SPackageBLOB CInstallComposer::DeserializeBLOB(std::ifstream&
 
     // Extend the buffer and read the BLOB data (after the resize, the psPartialBLOB pointer could be invalidated).
     uint32_t uiBLOBSize = psPartialBLOB->uiBLOBSize;
-    if (uiBLOBSize > 24*1024*1024)
+    if (uiBLOBSize > 26*1024*1024)  // 26 instead of 24 becasue of door example
         throw sdv::installation::XIncompatiblePackage();    // Safety
     ptrBLOB.resize(uiBLOBSize);
     if (!ptrBLOB)