90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
^
release AM/FM (AM) and SCAN (ARI-Z) buttons
^
1000 will remain on display
Note
If the AM/FM (AM) and SCAN (ARI-Z) buttons are held down too long or pushed again, the radio will misinterpret the 1000 as an attempt at coding
and one incorrect attempt will be logged.
^
enter radio's security code using program station buttons (use first four buttons on Wiesbaden radio)
^
security code will appear on display
^
push and hold AM/FM (AM) and SCAN (ARI-Z) buttons once again until display changes to SAFE
Note
Each fixed coded radio will only accept its factory assigned security code.
^
release AM/FM (AM) and SCAN (ARI-Z) buttons radio display changes to a radio station frequency radio is now coded
Reactivating radio after reconnecting power
After disconnecting power (fuse, battery, etc.) to the radio, the radio will lock up electronically.
To reactivate:
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obtain radio's security code
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located on radio card
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switch radio ON
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radio will not play
^
radio display shows SAFE
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push and hold AM/FM (AM) and SCAN (ARI-Z) buttons
^
display changes to 1000
^
release AM/FM (AM) and SCAN (ARI-Z) buttons
^
1000 remains on display
Note
If the AM/FM (AM) and SCAN (ARI-Z) buttons are held down too long or pushed again, the radio will misinterpret the 1000 as an attempt at coding
and one incorrect attempt will be logged.
^
enter radio's security code using program station buttons (use first four buttons on Wiesbaden radio)
^
security code will appear on display
^
push and hold AM/FM (AM) and SCAN (ARI-Z) buttons once again until display changes to SAFE