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Home >> Fiat >> 2021 >> 500X Trekking Plus >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lamps/Lighting - Interior (Service Information) >> Description And Operation >> Interior Lamps And Lighting

Interior Lamps And Lighting

The interior lighting in the vehicle is achieved through the following light sources:

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The Body Computer manages the interior lighting through fixed power supplies (HSDs); earths (LSDs). Bulb-activation switch.

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  1. Rear left roof light (only for versions with sun roof)
  2. Rear right roof light (only for versions with sun roof)
  3. Rear central roof light (only for versions without sun roof)
  4. Passenger side glove compartment light.
  5. Glove compartment switch.
  6. Driver side puddle light.
  7. Passenger side puddle light.
  8. Tailgate switch and actuator.
  9. Luggage compartment light
  10. Passenger sun visor light
  11. Driver sun visor light.
  12. Front central roof light.
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  1. Headlight height adjustment wheel.
  2. Backlighting dimming adjustment wheel.

Internal bulb brightness adjustment is available for the NAFTA market. The BCM controls the bulbs with Pulse Width-Modulated (PWM) signals. The interior brightness can be adjusted using a small dedicated wheel located in the exterior light control.

Backlighting and compartment lighting 

- The Body Computer (BCM) also manages the activation and, consequently, dimming of the backlighting on the following components:

Dimming is managed by the BCM via a small control wheel beside the exterior light control knob.

The BCM also orders the activation of the compartment lights indicated below:

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