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 a5c7945..402b94f 100644
--- a/42109-1 - App-Controlled Top Gear Rally Car/main.py	
+++ b/42109-1 - App-Controlled Top Gear Rally Car/main.py	
@@ -1,56 +1,84 @@
-from pybricks.pupdevices import Motor, Remote
-from pybricks.parameters import Port, Direction, Stop, Button
-from pybricks.tools import wait
-
-# Initialize the motors.
-steer = Motor(Port.B)
-front = Motor(Port.D, Direction.COUNTERCLOCKWISE)
-
-# Connect to the remote.
-remote = Remote()
-
-# Read the current settings
-old_kp, old_ki, old_kd, _, _ = steer.control.pid()
-
-# Set new values
-steer.control.pid(kp=old_kp*4, kd=old_kd*0.4)
-
-# Find the steering endpoint on the left and right.
-# The middle is in between.
-left_end = steer.run_until_stalled(-200, then=Stop.HOLD)
-right_end = steer.run_until_stalled(200, then=Stop.HOLD)
-
-# We are now at the right. Reset this angle to be half the difference.
-# That puts zero in the middle.
-steer.reset_angle((right_end - left_end)/2)
-steer.run_target(speed=200, target_angle=0, wait=False)
-
-# Set steering angle for the buggy
-steer_angle = (((right_end - left_end)/2)-5)
-print('steer angle:',steer_angle)
-
-while True:
-    # Check which buttons are pressed.
-    pressed = remote.buttons.pressed()
-
-    # Choose the steer angle based on the right controls.
-
-    if Button.RIGHT_MINUS in pressed:
-        steer.run_target(1400, -steer_angle, Stop.HOLD, False)
-    elif Button.RIGHT_PLUS in pressed:
-        steer.run_target(1400, steer_angle, Stop.HOLD, False)
-    else:
-        steer.track_target(0)
-
-    # Choose the drive speed based on the left controls.
-    drive_speed = 0
-    if Button.LEFT_MINUS in pressed:
-        drive_speed += 100
-    if Button.LEFT_PLUS in pressed:
-        drive_speed -= 100
-
-    # Apply the selected speed.
-    front.dc(drive_speed)
-
-    # Wait.
+################################################################################
+#                                                                              #
+#           pybricks script for 42109 - RC Truck v.3 by ufotografol            #
+#                                                                              #
+# This script enables the LEGOŽ Powered Up Technic Hub to be used with the     #
+# LEGOŽ Powerd UP 88010 Remote.                                                #
+#                                                                              #
+# Configuration of the Technic Hub:                                            #
+#   Port A: Not used                                                           #
+#   Port B: Steering with left and right limited                               #
+#   Port C: Not used                                                           #
+#   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/                       #
+################################################################################
+#                                                                              #
+#                                   Changelog                                  #
+#                                                                              #
+################################################################################
+# v0.0.1 15-06-2022                                                            #
+#   Changed variable namings.                                                  #
+#   Changelog added.                                                           #
+#   Comment header added.                                                      #
+#   Changed the way spped is handled within the while loop.                    #
+# v0.0.0 14-06-2022                                                            #
+#   First version.                                                             #
+################################################################################
+
+from pybricks.pupdevices import Motor, Remote
+from pybricks.parameters import Port, Direction, Stop, Button
+from pybricks.tools import wait
+
+# Initialize the motors.
+steering = Motor(Port.B)
+driving = Motor(Port.D, Direction.COUNTERCLOCKWISE)
+
+# Connect to the remote.
+remote = Remote()
+
+# Read the current settings
+old_kp, old_ki, old_kd, _, _ = steering.control.pid()
+
+# Set new values
+steering.control.pid(kp=old_kp*4, kd=old_kd*0.4)
+
+# Find the steering endpoint on the left and right.
+# The middle is in between.
+left_end = steering.run_until_stalled(-200, then=Stop.HOLD)
+right_end = steering.run_until_stalled(200, then=Stop.HOLD)
+
+# We are now at the right. Reset this angle to be half the difference.
+# That puts zero in the middle.
+steering.reset_angle((right_end - left_end)/2)
+steering.run_target(speed=200, target_angle=0, wait=False)
+
+# Set steering angle for the buggy
+steer_angle = (((right_end - left_end)/2)-5)
+print('steer angle:',steer_angle)
+
+while True:
+    # Check which buttons are pressed.
+    pressed = remote.buttons.pressed()
+
+    # Choose the steering angle based on the right controls.
+    if Button.RIGHT_MINUS in pressed:
+        steering.run_target(1400, -steer_angle, Stop.HOLD, False)
+    elif Button.RIGHT_PLUS in pressed:
+        steering.run_target(1400, steer_angle, Stop.HOLD, False)
+    else:
+        steering.track_target(0)
+
+    # Choose the drive speed based on the left controls.
+    if Button.LEFT_MINUS in pressed:
+        driving.dc(100)
+    elif Button.LEFT_PLUS in pressed:
+        driving.dc(-100)
+    else:
+        driving.dc(0)
+
+    # Wait.
     wait(10)
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