Passat L4-1984cc 2.0L DOHC (9A) (1990)
Radio/Stereo: Technical Service Bulletins
Radio - Heidelberg VI Fixed Coded
GROUP
91
NUMBER
89-01
November 13, 1989
MODEL(S):
Jetta (German Prod.), from 5/89 - m.y. 1989 All models except Fox, m.y. 1990
SUBJECT:
Heidelberg VI fixed coded radio, coding
The Heidelberg VI radio is assigned a fixed four digit security code from the factory. Unlike previous coded radios, the security code cannot be changed.
The Heidelberg VI radio can be identified by white lettering on the face plate and separate knobs for fader, bass and treble control.
The radios are not coded at the factory. To activate the theft protection, the radio must be coded during the Pre-Delivery Inspection
The security code and serial number of the radio are printed on a removable sticker located in the trunk (on the right "B" post in Vanagons) near the
vehicle identification sticker.
Coding a new or remanufactured radio
^
remove radio security code/serial number sticker from trunk and attach to radio card in radio owner's manual
CAUTION DO NOT keep the security code or radio card with the vehicle. Always instruct customers to detach radio card from operating instructions
manual and keep in a safe place.
Note