Headlamps On Warning
The radio activates the headlamps on warning as requested by the body control module (BCM). The BCM sends a class 2 message to the radio indicating the chime frequency, fast rate and duration, continuous. The headlamps on warning sounds when the following occurs:
- The ignition is OFF.
- The BCM determines that the driver's door is open, signal is low.
- The BCM determines that the headlamp switch is in the park or head position.