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Dim i-Drive Display

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Old 02-01-2008, 10:08 AM
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I have an appointment next week for some regular maintenance, but lately, I've noticed that the i-Drive display is kind of dim when I first start the car.

I've adjusted the brightness control and it doesn't get any brighter. It just seems that after a 10 minute warm up, I actually get a bright display.

Is there a light sensor that I may be blocking?

Thanks
Old 02-01-2008, 10:15 AM
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The small little hole underneath the display is the light sensor.
Old 02-01-2008, 10:51 AM
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Mine does the same, however, i have nothing blocking the sensor. Any ideas?
Old 02-01-2008, 10:59 AM
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Mine only ever did this on cold mornings and it's been relatively cold here in the bay area of late. In my case I think it was more to do with ambient temperature. As we warm up heading into spring your problem will hopefully take care of itself. My Porsche is just the same - takes a little while longer for the display to reach full brightness on colder mornings.
Old 02-01-2008, 11:07 AM
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Originally Posted by swajames' post='525947' date='Feb 1 2008, 02:59 PM
Mine only ever did this on cold mornings and it's been relatively cold here in the bay area of late. In my case I think it was more to do with ambient temperature. As we warm up heading into spring your problem will hopefully take care of itself. My Porsche is just the same - takes a little while longer for the display to reach full brightness on colder mornings.
It likely has a fluorescent backlight. Fluorescent tubes don't like cold weather, and will be dim until they warm up. I doubt anything is wrong with the car.
Old 02-01-2008, 11:24 AM
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LCDs usually have CFL flouresecent backlights - you could well be onto something with it being temperature. I tought the idrive brightness was fed by the sensor behind the mirror (as well as it being the mirror dip).... could well be wrong tho
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