Audi A6/Q7 key learning correct procedure using Lonsdor K518ISE key programmer is provided below:
Connect K518 host with vehicle via OBD socket thought OBD test cable
Step 1: Backup Immo Data
Select Immobilizer->Audi->A6L-> -2009->Immobilizer->Immobilizer/Smart key->Backup immo data
Turn ignition ON
Extracting the security code and configuration data from immobilizer
Save immo data
Step 2: Learn Key
To generate pre-code transponder use only PCB!!!
Insert PCB into K518 key slot
Select immo bin file just saved
Confirm immo data
Lonsdor k518 read current key ID
Generate the dealer key and lock the key success
To program the remote key, insert the PCB into the keybox
Program all keys to immobilizer of the car
Turn ignition to ON position
Insert key and switch ignition on in turn, after all keys have been replaced,
click OK to finish key learning.
2 keys have been successfully program.
Test the remote control. Working !!!