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      11-26-2017, 02:38 PM   #3
wheresmy5
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Drives: 2019 540i xDrive M Sport
Join Date: Jul 2015
Location: East Coast

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I now understand what happened. I had the windows tinted in the am, and when the car was returned, it was still daytime. In daytime, it appears that the brightness knob does't actually do anything. When I restarted the car, it was dark outside; in the night, the brightness knob works as expected.

My question is, how do you brighten the screen in the daytime?