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I just took delivery on 1/18 and like the car so far. The Instrument Panel Illumination Control (on the dashboard, left of the steering column) works to dim the brightness at nighttime but rotating the control has no effect on the illumination brightness during the day. Is this normal? Has anyone else experienced this? I expected it would work at any time of the day.
 

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This is normal, the gauges/HVAC console are at full bright during the day so that you can see everything in the daylight. Only at night (when the headlights are turned on to full power) can you adjust the illumnination to your preference.
 

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SnowItch said:
Say what??? I've been waiting years, since I drove my grandpa's caddy, to have a car where the headlights turn on automatically, and now you...you...want my to turn them on...manually???

Just kiddin'. Logically I would agree with you, but it is something I would have to test. Mine have been set to auto since I got it.
My last three vehicles(this Terrain, 07 Canyon & 03 Sonoma) all had auto headlight control so I too have become spoiled by such a simple feature.
I blows my mind that there are so many vehicle available today that still do not offer such a simple feature.
 

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GMCdriver said:
My last three vehicles(this Terrain, 07 Canyon & 03 Sonoma) all had auto headlight control so I too have become spoiled by such a simple feature.
It blows my mind that there are so many vehicle available today that still do not offer such a simple feature.
Ditto! My 1998 Grand Am GT had the auto headlights....yet here in 2010, there are vehicles.....(cough)....foreign....(cough)....that still are driving around without auto lights.....or daytime running lights. ::)

Still don't understand why we need dash lights on during the day. (Enclave has them too) No problem with the gauges you could actually read during the day without illumination. Oh well, guess they are better then all digital displays, although I kind of liked the Corvette display on the 1984, I believe, the first of the digital gauge Corvette.
 

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Discussion Starter #6
Thanks for your comments. My main issue is that you can't dim the instrument panel illumination unless the headlights are on. I find the lighting to be a bit brighter than I would like during the daytime and would just prefer the dimming knob be active at ALL times.
 

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Terrain_fan said:
Ditto! My 1998 Grand Am GT had the auto headlights....yet here in 2010, there are vehicles.....(cough)....foreign....(cough)....that still are driving around without auto lights.....or daytime running lights. ::)

Still don't understand why we need dash lights on during the day. (Enclave has them too) No problem with the gauges you could actually read during the day without illumination. Oh well, guess they are better then all digital displays, although I kind of liked the Corvette display on the 1984, I believe, the first of the digital gauge Corvette.
We rented a Mazda RX6 or 8, can't remember, for a week last spring.
Lights didn't come on automatically and we'd constantly have to remind each other LOL.

Yes, 1984 was the first year of the vette digital dash with the real neat tachometer LED's!
 

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i noticed this morning that if you turn the auto lights off, it dims the dash lights, but then i'm pretty sure they came back on to full brightness while i was driving. not sure if this is by design or not. will do some further testing.

this is my first "auto light / DRL" vehicle and i actually prefer to be able to control that myself, or at least have it be more of an "option" to run auto lights vs almost being forced to as in the terrain (yes, you can just turn them off, but i liked what my wife's old camry did - had the Auto selection at the top of the stalk (after ON) so you could just turn it up to that and leave it for the auto on and off or turn on the lights the old-fashioned way). i usually always put in aftermarket headlights, so in order for them to last as long as possible, i don't want them on when i'm not using them. :)
 

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I took delivery of an Equinox LTX, V6 AWD last weekend and am really loving it. But I have noticed that sometimes the dash lights get very bright and then dim. Is this some sort of dimming function related to ambient light and thus normal or is this evidence of a short or some other electric problem?

Any thoughts would be appreciated.
 

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rs505 said:
I took delivery of an Equinox LTX, V6 AWD last weekend and am really loving it. But I have noticed that sometimes the dash lights get very bright and then dim. Is this some sort of dimming function related to ambient light and thus normal or is this evidence of a short or some other electric problem?

Any thoughts would be appreciated.
We leave our lights on AUTO and the NAV screen goes from dark to light (also set to AUTO mode) when we pull into the garage or at night,
Vice versa of course when going from the garage to outside or daylight.
I have the interior light control set on max, so really haven't noticed much in the way of the dash lights dimming/brightening in an abrupt manner.
Maybe the NAV screen is predominant so catches my attention more?
Do you have a NAV screen?
 

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That is caused by the headlight sensor in the front-middle of the dash. When it it too dark out, or in a garage, then the headlights go on full brightness (still low beams) and the dash-lights dim - theory being that "at night: you don't want the stereo, nav, etc. as bright as is needed in the daytime.
 

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I just picked up my new Terrain on Friday and have also noticed the dash lights dimming and then coming back to full brightness. The first time they dimmed the DRL was on so I thought maybe I should turn on the headlights. After turning them on the dash lights brightened back up shortly after, but then again they dimmed. Why would they dim if it caused by the sensor when the headlights are on?
 

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It could be changes in the sunlight reaching the sensor on the dash. There is a delay built in too. The sensor affects the instrument illumination.
 
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