1.. Press and hold (at the same time) the AM/FM and the SCAN buttons until
the display reads "1000".
2.. Use the station preset buttons 1,2,3,4 to change each of the digits to
the proper code. Button 1 changes the first digit (on the left), button 2
changes the second digit, etc.
Note: supposedly the programmable units were originally coded with either
"1111" or "1234" by the dealer. It is quite possible that the code was never
changed by previous owners, so if you don't know the code, you can try
3.. Press and hold the AM/FM and SCAN buttons again until the radio comes
If you fail to give the correct code after two tries, the unit will be
locked in "safe" mode and won't change. To try again, leave it switched on
for approximately one hour.
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