diff --git a/42109-1 - App-Controlled Top Gear Rally Car/main.py b/42109-1 - App-Controlled Top Gear Rally Car/main.py
index 352ed37..bdb7a29 100644
--- a/42109-1 - App-Controlled Top Gear Rally Car/main.py	
+++ b/42109-1 - App-Controlled Top Gear Rally Car/main.py	
@@ -1,6 +1,6 @@
 ################################################################################
 #                                                                              #
-#           pybricks script for 42109 - RC Truck v.3 by ufotografol            #
+#       pybricks script for 42109-1 - App-Controlled Top Gear Rally Car        #
 #                                                                              #
 # This script enables the LEGO® Powered Up Technic Hub to be used with the     #
 # LEGO® Powerd UP 88010 Remote.                                                #
@@ -12,14 +12,25 @@
 #   Port D: Drive motor                                                        #
 #                                                                              #
 ################################################################################
-# Rebrickable: https://rebrickable.com/mocs/MOC-57612/                         #
 # Script base: https://racingbrick.com/2021/08/remote-control-for-control-sets #
 #                -without-an-app-or-smartphone-pybricks/                       #
 ################################################################################
 #                                                                              #
+#                         Works with the following MOCs                        #
+#                                                                              #
+################################################################################
+# 42109 - RC Truck v.3 by ufotografol                                          #
+#   https://rebrickable.com/mocs/MOC-57612/                                    #
+# Off-road racing car (42109) by ConstructionsByDonat                          #
+#   https://rebrickable.com/mocs/MOC-90323/                                    #
+################################################################################
+#                                                                              #
 #                                   Changelog                                  #
 #                                                                              #
 ################################################################################
+# v0.2.0 02-07-2022                                                            #
+#   2 speed "gearbox" changed to 3 speed, recodingwith debounce and now left   #
+#    button also used.                                                         #
 # v0.1.0 15-06-2022                                                            #
 #   2 speed "gearbox" added.                                                   #
 # v0.0.1 15-06-2022                                                            #
@@ -62,26 +73,53 @@ steering.run_target(speed=200, target_angle=0, wait=False)
 steer_angle = (((right_end - left_end)/2)-5)
 
 # Set variable for gear
+gear_old = 1
 gear = 1
-speed = 50
+speed = 33
 
 while True:
     # Check which buttons are pressed.
     pressed = remote.buttons.pressed()
 
-    # Check if the right middle button is pressed to change gear and set the
-    # speed accordingly.
+    # Check if the right middle button is pressed to change gear
     if Button.RIGHT in pressed:
-        if gear is 1:
-            remote.light.on(Color.RED)
+        if gear_old is 1:
             gear = 2
-            speed = 100
-            wait(100)
+        elif gear_old is 2:
+            gear = 3
         else:
-            remote.light.on(Color.BLUE)
             gear = 1
-            speed = 50
-            wait(100)
+        while Button.RIGHT in pressed:
+            # Button debounce 
+            wait(10)
+            pressed = remote.buttons.pressed()
+
+    # Check if the left middle button is pressed to change gear
+    if Button.LEFT in pressed:
+        if gear_old is 3:
+            gear = 2
+        elif gear_old is 2:
+            gear = 1
+        else:
+            gear = 3
+        while Button.LEFT in pressed:
+            # Button debounce 
+            wait(10)
+            pressed = remote.buttons.pressed()
+
+    if gear is not gear_old:
+        if gear is 1:
+            remote.light.on(Color.BLUE)
+            speed = 33
+            gear_old = 1
+        elif gear is 2:
+            remote.light.on(Color.WHITE)
+            speed = 67
+            gear_old = 2
+        else:
+            remote.light.on(Color.RED)
+            speed = 100
+            gear_old = 3
 
     # Choose the steering angle based on the right controls.
     if Button.RIGHT_PLUS in pressed:
@@ -100,4 +138,4 @@ while True:
         driving.dc(0)
 
     # Wait.
-    wait(10)
\ No newline at end of file
+    wait(10)