diff --git a/general.drawio b/general.drawio
index e6552e4..fd71c5b 100644
--- a/general.drawio
+++ b/general.drawio
@@ -1,4 +1,4 @@
-<mxfile host="app.diagrams.net" agent="Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0" version="29.2.9" pages="2">
+<mxfile host="app.diagrams.net" agent="Mozilla/5.0 (X11; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0" version="29.2.9" pages="3">
   <diagram name="Cahier Des Charges" id="LI8Btn7IwKhw1cHK_Ntn">
     <mxGraphModel dx="2209" dy="1934" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
       <root>
@@ -433,4 +433,76 @@
       </root>
     </mxGraphModel>
   </diagram>
+  <diagram id="YSgUnoToD5BTB2RaQZ9z" name="Diagramme de cas d&#39;utilisations">
+    <mxGraphModel dx="799" dy="491" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0">
+      <root>
+        <mxCell id="0" />
+        <mxCell id="1" parent="0" />
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-1" parent="1" style="shape=umlActor;verticalLabelPosition=bottom;verticalAlign=top;html=1;outlineConnect=0;" value="Utilisateur" vertex="1">
+          <mxGeometry height="60" width="30" x="20" y="80" as="geometry" />
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-4" parent="1" style="rounded=0;whiteSpace=wrap;html=1;" value="&lt;div&gt;Véhicule&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;" vertex="1">
+          <mxGeometry height="240" width="470" x="80" as="geometry" />
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-12" edge="1" parent="1" source="TOHcjizDEYTpy8v-PxBa-8" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" target="TOHcjizDEYTpy8v-PxBa-10" value="">
+          <mxGeometry relative="1" as="geometry">
+            <Array as="points">
+              <mxPoint x="200" y="100" />
+            </Array>
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-15" edge="1" parent="1" source="TOHcjizDEYTpy8v-PxBa-8" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" target="TOHcjizDEYTpy8v-PxBa-14" value="">
+          <mxGeometry relative="1" as="geometry">
+            <Array as="points">
+              <mxPoint x="320" y="110" />
+              <mxPoint x="320" y="50" />
+            </Array>
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-17" edge="1" parent="1" source="TOHcjizDEYTpy8v-PxBa-8" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" target="TOHcjizDEYTpy8v-PxBa-16" value="">
+          <mxGeometry relative="1" as="geometry">
+            <Array as="points">
+              <mxPoint x="230" y="120" />
+              <mxPoint x="230" y="120" />
+            </Array>
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-19" edge="1" parent="1" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" value="">
+          <mxGeometry relative="1" as="geometry">
+            <Array as="points">
+              <mxPoint x="160" y="120" />
+              <mxPoint x="160" y="130" />
+              <mxPoint x="225" y="130" />
+              <mxPoint x="225" y="166" />
+            </Array>
+            <mxPoint x="180.00020737558327" y="120.0046567788525" as="sourcePoint" />
+            <mxPoint x="255.26" y="165.93" as="targetPoint" />
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-8" parent="1" style="ellipse;whiteSpace=wrap;html=1;" value="&lt;font style=&quot;font-size: 8px;&quot;&gt;conduire le véhicule&lt;/font&gt;" vertex="1">
+          <mxGeometry height="60" width="90" x="90" y="80" as="geometry" />
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-9" edge="1" parent="1" source="TOHcjizDEYTpy8v-PxBa-1" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;" target="TOHcjizDEYTpy8v-PxBa-8">
+          <mxGeometry relative="1" as="geometry">
+            <Array as="points">
+              <mxPoint x="110" y="110" />
+              <mxPoint x="110" y="100" />
+            </Array>
+          </mxGeometry>
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-10" parent="1" style="ellipse;whiteSpace=wrap;html=1;" value="&lt;font style=&quot;font-size: 8px;&quot;&gt;accélérer&lt;/font&gt;" vertex="1">
+          <mxGeometry height="60" width="90" x="220" y="20" as="geometry" />
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-14" parent="1" style="ellipse;whiteSpace=wrap;html=1;" value="&lt;font style=&quot;font-size: 8px;&quot;&gt;freiner&lt;/font&gt;" vertex="1">
+          <mxGeometry height="60" width="90" x="350" y="20" as="geometry" />
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-16" parent="1" style="ellipse;whiteSpace=wrap;html=1;" value="&lt;font style=&quot;font-size: 8px;&quot;&gt;braquer&lt;/font&gt;" vertex="1">
+          <mxGeometry height="60" width="90" x="360" y="90" as="geometry" />
+        </mxCell>
+        <mxCell id="TOHcjizDEYTpy8v-PxBa-18" parent="1" style="ellipse;whiteSpace=wrap;html=1;" value="&lt;font style=&quot;font-size: 8px;&quot;&gt;monitorer le comportement du véhicule&lt;/font&gt;" vertex="1">
+          <mxGeometry height="60" width="90" x="250" y="140" as="geometry" />
+        </mxCell>
+      </root>
+    </mxGraphModel>
+  </diagram>
 </mxfile>