VW IMMO - Vehicle and IMMO System Selection

Step 3. Choose “VW” menu, then “VW 4TH IMMO SYSTEM”
Step 4. Choose “IMMO SYSTEM (NEC)” or “IMMO SYSTEM (CDC)”, if you do not know
which IMMO system the car is then choose “AUTO-DETECTION OF IMMO SYSTEM”, this it
will detect which kind of the IMMO system is used in the car.