S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN) (1992)
^
five-digit system identification number is displayed (for example, "00000")
Note:
Sixteen different steps, each containing telephone programming information, can be displayed during this test mode. See chart.
* key - advances to next programming step
# key - exits program mode
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press "*" key six times to display six digit security code (step 7)
Note:
Press "*" key two times to display phone number (step 3) or seven times to display three-digit unlock code (step 8).
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write down needed information
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press "#" key to enter test mode
^
handset readout displays an apostrophe (') in the upper right hand corner
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switch phone OFF and remove test connector