Century V6-3100 3.1L VIN M SFI (1998)
Audible Warning Device: Description and Operation
Key In Ignition Reminder
The Body Control Module (BCM) sounds the key in ignition reminder when these conditions are met:
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The driver's door is open (ground signal in circuit 49).
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The key is fully inserted in the ignition cylinder (ground signal in circuit 80).
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The ignition switch in the LOCK, OFF. or ACC position.
