Headlamp: Description and Operation
HEADLAMP TIME DELAY SYSTEMThe optional Headlamp Time Delay system is controlled by the Body Control Module (BCM) and a relay located in the junction block. Refer to the Owner's Manual for more information.
The headlamp time delay system can be activated by turning ON the headlamps when the engine is running, turn OFF the ignition switch, then turn OFF the headlamp switch. The BCM will allow the headlamps to remain ON for 90 seconds before they automatically turn OFF.