diff --git a/src/main/java/ch/zhaw/pm2/racetrack/Game.java b/src/main/java/ch/zhaw/pm2/racetrack/Game.java
index 32f8787..0b7595f 100644
--- a/src/main/java/ch/zhaw/pm2/racetrack/Game.java
+++ b/src/main/java/ch/zhaw/pm2/racetrack/Game.java
@@ -41,7 +41,7 @@ public class Game implements GameSpecification {
             File selectedTrack = listOfFiles[userInterface.selectOption("Select Track file", tracks)];
             try {
                 track = new Track(selectedTrack);
-            } catch (FileNotFoundException e) {
+            } catch (FileNotFoundException | PositionVectorNotValid e) {
                 e.printStackTrace();
             }
             List<String> moveStrategies = new ArrayList<>();
@@ -52,7 +52,7 @@ public class Game implements GameSpecification {
             for(int i = 0; i < track.getCarCount() ; i++ ) {
                 int moveStrategie = userInterface.selectOption(
                     "Select Strategy for Car " + i + " (" + track.getCarId(i) + ")", moveStrategies);
-                switch (moveStrategie) { //TODO: set Movestrategy with method in Track
+                switch (moveStrategie + 1) { //TODO: set Movestrategy with method in Track
                     case 1:
                         track.getCar(i).setMoveStrategy(new DoNotMoveStrategy()); //TODO: add Arguments
                         break;
@@ -157,7 +157,7 @@ public class Game implements GameSpecification {
      *                     for this turn
      */
     @Override
-    public void doCarTurn(Direction acceleration) {
+    public void doCarTurn(Direction acceleration) throws PositionVectorNotValid {
         // TODO: implementation
         track.getCar(currentCarIndex).accelerate(acceleration);
 
@@ -178,7 +178,7 @@ public class Game implements GameSpecification {
         }
     }
 
-    public int gamePhase() {
+    public int gamePhase() throws PositionVectorNotValid {
         do{
             userInterface.printTrack(track);
             Direction direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove();
@@ -321,8 +321,8 @@ public class Game implements GameSpecification {
      * @return A boolean indicator if the car would crash with a WALL or another car.
      */
     @Override
-    public boolean willCarCrash(int carIndex, PositionVector position) {
-        return track.willCrashAtPosition(position); //TODO: add carIndex
+    public boolean willCarCrash(int carIndex, PositionVector position) throws PositionVectorNotValid {
+        return track.willCrashAtPosition(carIndex, position);
     }
 
     public boolean allCarsCrashed() {
diff --git a/src/main/java/ch/zhaw/pm2/racetrack/Main.java b/src/main/java/ch/zhaw/pm2/racetrack/Main.java
index 73da6d8..0817f16 100644
--- a/src/main/java/ch/zhaw/pm2/racetrack/Main.java
+++ b/src/main/java/ch/zhaw/pm2/racetrack/Main.java
@@ -4,7 +4,7 @@ import java.io.FileNotFoundException;
 
 public class Main {
 
-    public static void main(String[] args) throws InvalidTrackFormatException, FileNotFoundException {
+    public static void main(String[] args) throws InvalidTrackFormatException, FileNotFoundException, PositionVectorNotValid {
         UserInterface userInterface = new UserInterface("Hello and Welcome");
         Game game = new Game(userInterface);
 
diff --git a/src/main/java/ch/zhaw/pm2/racetrack/Track.java b/src/main/java/ch/zhaw/pm2/racetrack/Track.java
index d2441bb..f3e51f0 100644
--- a/src/main/java/ch/zhaw/pm2/racetrack/Track.java
+++ b/src/main/java/ch/zhaw/pm2/racetrack/Track.java
@@ -6,7 +6,6 @@ import ch.zhaw.pm2.racetrack.given.TrackSpecification;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Scanner;
 
diff --git a/src/main/java/ch/zhaw/pm2/racetrack/given/GameSpecification.java b/src/main/java/ch/zhaw/pm2/racetrack/given/GameSpecification.java
index 3596335..c9148e5 100644
--- a/src/main/java/ch/zhaw/pm2/racetrack/given/GameSpecification.java
+++ b/src/main/java/ch/zhaw/pm2/racetrack/given/GameSpecification.java
@@ -1,6 +1,7 @@
 package ch.zhaw.pm2.racetrack.given;
 
 import ch.zhaw.pm2.racetrack.PositionVector;
+import ch.zhaw.pm2.racetrack.PositionVectorNotValid;
 
 import java.util.List;
 
@@ -18,11 +19,11 @@ public interface GameSpecification {
 
     int getWinner();
 
-    void doCarTurn(PositionVector.Direction acceleration);
+    void doCarTurn(PositionVector.Direction acceleration) throws PositionVectorNotValid;
 
     void switchToNextActiveCar();
 
     List<PositionVector> calculatePath(PositionVector startPosition, PositionVector endPosition);
 
-    boolean willCarCrash(int carIndex, PositionVector position);
+    boolean willCarCrash(int carIndex, PositionVector position) throws PositionVectorNotValid;
 }