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13 M5. SOLD:11 BD CTS-V, 6M, Loaded - SOLD:09 CTS-V (Auto)
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Discussion Starter #1
Can anyone with an 09 CTS-V confirm this:
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I've been able to turn off the DRLs since I took delivery without modifying anything.

Turning the spring loaded light switch clockwise one click causes the DIC to display AUTOMATIC LIGHT CONTROL OFF. At this point, the DRLs are no longer illuminated. Repeat this action and the DRLs are back on. Simple enough.
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I'm looking at bringing one into Canada and a requirement is you can't shut off DRLs. Just seeing if you can or can't disable them that easily. Removing fuses and cutting wires is something else.
 

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'08 STS-V Sedan Black Formerly three CTS-V's, XLR and STS4N*
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I do not believe this is accurate. All GM products have DRL's. No switching them off. Will confirm this though. By switching the auto lights off he can sit in his garage without lights on but as soon as that car moves (or the parking brake is turned off the lights will come on.
 

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13 M5. SOLD:11 BD CTS-V, 6M, Loaded - SOLD:09 CTS-V (Auto)
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Discussion Starter #3
If you can verify that would be great....
 

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I do not believe this is accurate. All GM products have DRL's. No switching them off. Will confirm this though. By switching the auto lights off he can sit in his garage without lights on but as soon as that car moves (or the parking brake is turned off the lights will come on.
You can disable the lighting system on the CTS-V (as well as most other GM vehicles with auto lights) by twisting the spring-loaded switch once. What that means is that the DRLs will be off, and if you get into a dark area, the headlights won't come on.

To reset that, either twist the switch again, or shut the car off and turn it back on. It actually has nothing to do with whether the car is moving.

jas
 

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11v,2 09 v's,2 05 v's,5 GTM supercars,viper,volt,2012 karma
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isnt there a DRL fuse in the fuse box under the hood? I wonder what that does if pulled?
 

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13 M5. SOLD:11 BD CTS-V, 6M, Loaded - SOLD:09 CTS-V (Auto)
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Discussion Starter #7
Does anyone have access to the workshop manual? If so, is there anyway of getting a scan of the DRL portion of the circuit?
 

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'09 CTS-V, Thunder Gray, Auto
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2017 ATS-V Sedan, Vector Blue/Black, 6MT
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I routinely turn my DRL's off, mostly to reduce police surveillance. I like having the option to use them, though, for things like following someone, or use in light drizzle. It takes less than a second to do, as described above.
 

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2009 CTS-V, 2009 535i
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isnt there a DRL fuse in the fuse box under the hood? I wonder what that does if pulled?
Two 7.5A fuses, actually. In the fuse box under the passenger-side cover of the engine compartment. I simply pulled them out and moved them to the spare sockets. No codes, just kills the DRLs without having to fiddle with the turn signal stalk.

(Marked up a diagram that appears to be for CTS, but relative locations are the same)
 

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'09V [email protected] stock, '15i Escalade ESV, '18 Silverado LT
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I am not of fan of the DRL's. I did not know that turning the switch turned them off so good info. I read about pulling the fuses but no thanks for me. I purchased some LED's to replace them. That is a spring project though. The front bumper has to be taken off just to get to the housing. Hopefully I have the right parts. What a joke.
 

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Why anyone would want to turn off the DRLs is beyond me. DRLs are a a great safety feature and, in my opinion, should always be used. Only those who have reasons not to attract attention (I wonder why?) would want to turn them off.
 

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2014 ELR, 2009 CTS-V (sold), 2010 Escalade Hybrid (sold)
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The Corvette has the same feature, the DRL's can be turned off.
 

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2009 CTS-V, 2009 535i
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Why someone would want to detract from the appearance of their cars for something that's ineffective is beyond me. DRLs a great safety feature for cars? Maybe up around the Arctic Circle. Granted, they're definitely good for motorcycles. But for cars here in the good ole U.S. of A. I remain unconvinced. Someone please cite a study that wasn't slanted by the IIHS (we all know how competent consumer-oriented they are, don't we?) that shows they are effective. On the contrary, the NHTSA has shown that they are ineffective: http://www.nhtsa.dot.gov/people/ncsa/pdf/DRL7_RPT.pdf.
 

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2017 ATS-V Sedan, Vector Blue/Black, 6MT
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Where I live visibility isn't usually a problem, and I don't want to be anymore visible to the police than I have to be, so I would keep the lights off, no matter what they looked like. When It's very overcast or misty, I leave them on, as then you do need to be seen for safety reasons. he color of the bulb does not bother me at all, though an LED light might look more cool. But, with my driving habits, I would still keep them off whenever possible. I do like having the choice.
 

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'09V [email protected] stock, '15i Escalade ESV, '18 Silverado LT
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So do the DRL's do anything other than make you more visible to LEO's (other than for safety reasons)? Or is there another advantage to running without them? I'm curious.
 

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09 CTS-V
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I tell you what go right ahead and burn those DRLs in this V2. Have fun trying to change them on your on or better yet let us know how much the dealer charges you to change one bulb.

DRLs are just a money maker for those who came up with the concept. It does not make any sense as to why on this V2 we cannot access the bulbs in a timely fashion. Just think we as humans have an ability to adapt, thus if 100% of cars we encounter on the road are using DRLs then how is it helpful as our eyes and response have adapted over the years?
 

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Anything that makes you more visible, day or night, is helpful. This is simple logic and does not need to be backed up by any kind of study. DRLs do that for cars and motorcycles. Money maker or not, I am glad to have them.
 
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