Follow the next system test procedure to unlock the software: 
 
0. Start engine 
1. press ON/OFF key 1 time 
2. press and hold SET key 
3. press and release brake pedal 4 times (buzzer sound 4 low tones (test 
starts)) 
5. release SET key and wait for 3 seconds 
6. press
 brake gently (brake lights should illuminate) when buzzer sounds 
7. release
 brake while buzzer stops 
(step 6 & 7 will be repeated 3x) 
8. Buzzer will sound 4 hi tones if tested passed 
  Buzzer will sound hi-lo tones if test not passed. Check if the right 
    vehicle is selected for programing and repeat the test. 
 
 
 
 
 
LOCK
OFF
ON
START
+15 (kl15)
Orange
Option 2A, B, C
OBD-II (DLC) plug
P/N LTK.1100130, -40, -50
Option 1.
OBD-II (DLC) break-out 
cable P/N 190-5004020
Command Module
Diagnostics
 
     
Program AP900Ci prior to the product installation. 
Requirements: 
- Internet connection 
- Programming software, USB drive 
- USB programming cable (p/n LTK.0900090) 
Programming software and the USB driver can be downloaded from the 
following website:    http://app.dunyoung.com/AP9HBCAN/
 
 
 
Connect the CAN-bus wires and the +15 wire according to the connection points 
given in the instruction that is launched after completion of the programation. 
 
Connect the T-harness to the throttle pedal and Cruise Control electronics 
module. Install and connect the command modules. 
 
The cruise control functions are locked from factory for security reasons.   
 
 
1.  Select manufacture 
2.  Select car model 
3.  Select transmission type 
4.  Press on programming 
5.  Confirm selection