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2020 GMC Yukon Owners Manual - Interior Lighting



Interior Lighting

Instrument Panel Illumination Control


This feature controls the brightness of the instrument panel lights and is next to the exterior lamp control.

Move the thumbwheel up or down to brighten or dim the lights.

Dome Lamps


There are dome lamps in the overhead console and the headliner, if equipped.

To change the dome lamp settings, press the following:

OFF : Turns the lamps off, even when a door is open.

DOOR : The lamps come on automatically when a door is opened.

ON : Turns all dome lamps on.

Reading Lamps


There are reading lamps in the overhead console and the headliner, if equipped. To operate, the ignition must be on or in ACC/ACCESSORY or using Retained Accessory Power (RAP).

Press m or n next to each reading lamp to turn it on or off.


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