ESN (Key CD) security operating procedure
[PWR] button
[FM・AM] button Button [1]
ESN (Key CD) security operating procedure
How to program the Key CD
1.Turn the vehicle’s ignition on. Press the [PWR] button or [FM• AM] button to activate the tuner mode.
The tuner is now turned on.
2.Press and hold button [1], then the [FM• AM] button, and hold both for more than one second.
A [SEC] message appears, then in two seconds it will change to [DISC].
The 54420 is now ready to accept your Key CD in the CD slot.
3.Insert the CD into the slot.
A [SEC] message appears, the Key CD is ejected, then the tuner mode is activated.
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