Courtesy Lamp: Description and Operation

The body controller has direct control over all of the vehicle's courtesy lamps. The body computer will illuminate the courtesy lamps under any of the following conditions:
1. Any door is ajar and courtesy lamp switch on the left multi-function switch is not in the dome OFF position.
2. The courtesy lamp switch on the left multi-function switch is in the dome ON position.
3. A Remote Keyless entry unlock message is received.
4. Driver door unlocked with key (with VTSS only).