Interior Lighting - Overview: Overview

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The interior lighting system consists of:

Courtesy lamps
Demand lamps
Ambient lighting

The courtesy lamps subsystem consists of:

Interior lamps
Puddle lamps
Door ajar switches (integrated into the door latches)
Courtesy lamp switch (integrated into the front interior lamp)
Cargo lamps
Trailer assist lamp
Running board lamps
Front door scuff plate lamps
DDM
PDM
BCM

The courtesy lamps provide illumination to the vehicle interior and below the exterior mirrors when entering or exiting the vehicle or when requested using the courtesy lamp switch located on the front interior lamp assembly.

The demand lamps subsystem consists of:

Interior lamps (map lamps)
Vanity mirror lamps
Glove box lamp
Engine compartment lamp
Cargo lamps
Truck bed lamps
Trailer assist lamp
Cargo lamp switch (integrated into the headlamp switch)
Floor console front and rear bins
BCM

The demand lamps provide illumination to specific areas within the vehicle when needed.

The BCM supplies voltage to the demand lamps when the battery saver feature is not active.

The ambient lighting subsystem consists of:

Ambient lighting Light Emitting Diodes (LEDs)
FDIM (touchscreen)
BCM

The ambient lighting is controlled using the FDIM (touchscreen) controls. The ambient lighting provides aesthetically colored illumination to the following locations for illuminated entry or when the ignition is in RUN with the parking lamps on:

Floor console cup holders
Interior door release handles
Front footwells
Rear footwells (under front seats)