Dimming the dash??

Jens_sedanEX18

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Not sure if anyone else experience this or not or I’m just not doing something correctly, every time I try to dim the brightness with the knob on the dash, it doesn’t do anything. And that’s when just my DRL’s on. Does your actual lights have to be on in order to dim the brightness ? I’ve done it before on the LCD screen but it doesn’t do it for my dash. Help?
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Jens_sedanEX18

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I'm saying your headlights have to be on (not DRL) to adjust the cluster brightness. Are you saying when headlights are on it's not dimming?
Correct when my headlights are on, they are not dimming. I even switched it from auto to on and they still wont dim
 


nizarz

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When your main headlights are on, you can dim. When its only your DRLs, you cant dim.
 

gtman

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danfg2

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I thought the dimmer only works when it's dark enough outside, even if the headlights are on.
That is correct....it only lets you adjust the brightness when it is dark outside
 

gtman

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That's what I was saying. For example, if your lights are on during a rainy day with daylight, try turning the knob. Nothing will happen. There's obviously some sort of ambient light sensor at work here. It isn't just about headlights being on.
 

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There is an ambient light sensor, centered on top of the dash near the windshield. I recall playing with this some time ago & IIRC it affects the instrument cluster brightness. If you cover the sensor during daylight then the instrument cluster brightness will change because the system thinks it's night time. And IIRC you can change the sensitivity of the sensor.
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