Operation CHARM: Car repair manuals for everyone.

Key In Ignition Reminder

The Body Control Module (BCM) will sound the ignition key warning when the BCM senses all of the following conditions:
^ The ignition switch is in the OFF, LOCK or ACCY position. Voltage is not present at the BCM ignition positive voltage input.
^ The ignition key is in the ignition switch. Ground is applied to the BCM key ignition signal input.
^ The driver door is open. Ground is applied to the BCM driver door open input.