diff --git a/main.py b/main.py
index 621d269..2e09a8b 100755
--- a/main.py
+++ b/main.py
@@ -31,7 +31,7 @@ class Car(pygame.sprite.Sprite):
 
         self.rect = self.image.get_rect()
         self.rect.center = (75, GY -50)
-        self.speed = 0.5
+        self.speed = 1.5
         self.heading = 0
         self.heading_change = 0
         self.vision_length = VISION_LENGTH # line liength
@@ -55,6 +55,7 @@ class Car(pygame.sprite.Sprite):
 
         self.update_sensors()
         self.probe_brain()
+        self.run = True
 
     def update_sensors(self):
         center = self.rect.center
@@ -87,6 +88,10 @@ class Car(pygame.sprite.Sprite):
                     pygame.draw.circle(screen, (125,125,255), ip, 4, 2)
                     dist = int(distance(ip,self.rect.center))
                     self.probes[idx] = min(dist, self.probes[idx])
+                    if dist < 2 * self.speed or not self.speed :
+                        self.run = False
+                        print(f'Car {id(self)} crashed')
+
                 # else :
                 #     self.probes[idx] = self.vision_length * 2 
         # print(self.probes)
@@ -113,7 +118,7 @@ class Car(pygame.sprite.Sprite):
         )
 
         if self.speed : 
-            self.heading += self.heading_change * 10 / self.speed
+            self.heading += self.heading_change * 6 / self.speed
             self.heading = self.heading % 360
 
             self.speed += self.throttle #THROTTLE_POWER
@@ -150,7 +155,7 @@ map_lines = map1
 
 all_cars = pygame.sprite.Group()
 
-for x in range(1):
+for x in range(10):
     car = Car()
     car.heading = x * 30 + 35
     all_cars.add(car)
@@ -158,12 +163,13 @@ for x in range(1):
 clock = pygame.time.Clock()
 while True :
     screen.fill(CELL_COLOR)
-    all_cars.update()
     all_cars.draw(screen)
     for c in all_cars :
         c.show_features()
-        c.probe_lines_proximity(map_lines)
-        c.probe_brain()
+        if c.run :
+            c.probe_lines_proximity(map_lines)
+            c.probe_brain()
+            c.update()
 
     for line in map_lines :
         pygame.draw.line(screen, (255,255,255), line[0], line[1])