diff --git a/UML/alive.pdf b/UML/pdf-png/alive.pdf
similarity index 100%
rename from UML/alive.pdf
rename to UML/pdf-png/alive.pdf
diff --git a/UML/can.pdf b/UML/pdf-png/can.pdf
similarity index 100%
rename from UML/can.pdf
rename to UML/pdf-png/can.pdf
diff --git a/UML/can_sequence.png b/UML/pdf-png/can_sequence.png
similarity index 100%
rename from UML/can_sequence.png
rename to UML/pdf-png/can_sequence.png
diff --git a/UML/drive.pdf b/UML/pdf-png/drive.pdf
similarity index 100%
rename from UML/drive.pdf
rename to UML/pdf-png/drive.pdf
diff --git a/UML/pdf-png/steering.pdf b/UML/pdf-png/steering.pdf
new file mode 100644
index 0000000..45550de
Binary files /dev/null and b/UML/pdf-png/steering.pdf differ
diff --git a/UML/watchdog.uxf b/UML/watchdog.uxf
deleted file mode 100644
index f411877..0000000
--- a/UML/watchdog.uxf
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<diagram program="umlet" version="15.0.0">
-  <zoom_level>15</zoom_level>
-  <element>
-    <id>UMLSpecialState</id>
-    <coordinates>
-      <x>315</x>
-      <y>270</y>
-      <w>30</w>
-      <h>30</h>
-    </coordinates>
-    <panel_attributes>type=initial</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>Relation</id>
-    <coordinates>
-      <x>315</x>
-      <y>285</y>
-      <w>120</w>
-      <h>105</h>
-    </coordinates>
-    <panel_attributes>lt=-&gt;
-evWDinit</panel_attributes>
-    <additional_attributes>10.0;10.0;10.0;50.0</additional_attributes>
-  </element>
-  <element>
-    <id>UMLState</id>
-    <coordinates>
-      <x>255</x>
-      <y>360</y>
-      <w>150</w>
-      <h>60</h>
-    </coordinates>
-    <panel_attributes>STWD_ALIVE</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>Relation</id>
-    <coordinates>
-      <x>180</x>
-      <y>375</y>
-      <w>270</w>
-      <h>135</h>
-    </coordinates>
-    <panel_attributes>lt=-&gt;
-m1=evWDpoll</panel_attributes>
-    <additional_attributes>100.0;30.0;100.0;70.0;10.0;70.0;10.0;10.0;50.0;10.0</additional_attributes>
-  </element>
-  <element>
-    <id>UMLNote</id>
-    <coordinates>
-      <x>480</x>
-      <y>360</y>
-      <w>150</w>
-      <h>60</h>
-    </coordinates>
-    <panel_attributes>send alive
-by CAN</panel_attributes>
-    <additional_attributes/>
-  </element>
-  <element>
-    <id>UMLNote</id>
-    <coordinates>
-      <x>375</x>
-      <y>225</y>
-      <w>150</w>
-      <h>60</h>
-    </coordinates>
-    <panel_attributes>read time on
-EPROM</panel_attributes>
-    <additional_attributes/>
-  </element>
-</diagram>