Instrument Cluster and Panel Illumination

Instrument Cluster and Panel Illumination

Dimmable Illumination

The instrument cluster and panel illumination system consists of both dimmable and non-dimmable (fixed) illumination sources. The dimmable illumination is used to provide backlighting to the Instrument Cluster (IC), switches, and control components (such as the HVAC module and the Audio Control Module (ACM)) when the parking lamps are on.

If the exterior lamps are activated during daytime sunload conditions, the message center illumination remains at full intensity and does not dim from the instrument panel dimmer switch during this condition. If the vehicle travels under a bridge or a tunnel, the low level of ambient light causes the illumination level of the message center to change to the level set by the instrument panel dimmer switch. The message center illumination changes back to full intensity when the intense ambient light is restored.

The level of intensity is adjustable by rotating the instrument panel dimmer switch to increase or decrease intensity.

NOTE: If the battery is disconnected or discharged, or the instrument panel dimmer switch is disconnected, the instrument panel dimmer switch requires calibration. Rotate the instrument panel dimmer switch from the lowest backlighting setting to the DOME LAMP position. This makes sure that all displays are visible under all lighting conditions.

The dimmable backlighting system provides dimmable backlighting to the following components:

- Adjustable pedal switch
- Floor shifter
- Mode select switch
- Headlamp switch
- Ambient lighting switch
- Hill descent control switch (Raptor only)
- Hazard/Passenger Air Bag Deactivation (PAD)/traction control switch
- Message center switch
- Off-road mode switch (Raptor only)
- Steering wheel switches
- Upfitter switch
- Rear heated seat switches
- IC
- ACM (vehicles with navigation or base radio)
- Front Controls Interface Module (FCIM)
- Front Display Interface Module (FDIM) (vehicles without navigation)
- HVAC module (vehicles without navigation)

Fixed Illumination

The fixed (non-dimmable) illumination is used to provide backlighting to switches when the key is in the ACC or RUN position.

The fixed backlighting components are:

- Door lock control switches
- Roof opening panel switch (if equipped)