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2021 GMC Sierra 1500 Owners Manual - Interior Lighting



Interior Lighting

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

The instrument cluster display, infotainment display and controls, steering wheel controls, feature status indicators, and all other illuminated controls can be adjusted in the night, in areas with limited lighting,

or when the parking lamps are on.

D : Press D + to brighten or D − to dim the lights.

The dome lamp controls are in the overhead console.

To operate, press the following buttons:

j OFF : Press to turn off the dome lamps when a door is open. An indicator light on the button will turn on when the dome lamp override is activated. Press j OFF again to deactivate this feature and the indicator light will turn off. The dome lamps will come on when any door is opened, the remote unlock is pressed, or when the ignition is switched off.

+ ON/OFF : Press to turn the dome lamps on manually. Press again to turn the dome lamps off.

There are reading lamps on the overhead console and over the rear seats. These lamps come on when any door is opened.

To operate, the ignition must be on, or in ACC/ACCESSORY, or using Retained Accessory Power (RAP).

Front Reading Lamps

The front reading lamps are in the overhead console.

Press the lamp lenses to turn the front reading lamps on or off.

Rear Reading Lamps

The rear reading lamps are over the rear seats.

Press the lamp lens to turn the rear reading lamps on or off.


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