Suzuki SWIFT Owner's Manual page 229

Confirming the Personal Identification
Number (PIN)
When the main power source is discon-
nected such as when the battery is
replaced, etc, it is required to enter the PIN
to operate the unit again.
1) Set the ignition switch to "ACC" position
or the ignition mode to "ON".
"SECURITY" will be displayed.
2) Press UP button (3) and the button
numbered [1] of PRESET buttons (2)
simultaneously.
3) Enter a 4-digit number to be registered
as PIN using the buttons numbered [1] -
[4] of PRESET buttons (2).
4) Hold down "TUNE/FLD PUSH SOUND"
knob (4) for 1 second or longer.
When the same PIN as registered is
entered, the power of the audio system
will be turned off automatically and it
will become operable again.
NOTE:
If an incorrect PIN is entered, "ERROR"
and the total number of incorrect entry
attempts will be displayed.
If an incorrect PIN is entered 10 times,
"HELP" will be displayed and the audio
system will become inoperable.
OTHER CONTROLS AND EQUIPMENT
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