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2016 XTS FWD Platinum
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Discussion Starter #1
A couple of things I was curious about the 08 STS vs my old 06 STS. The rear spoiler was apparently deleted because of the all wheel drive. Why do they do that? Also, it appears the automatic re-circulation function is also gone where it would detect outside odor & automatically recirculate the interior air. Anyone know why?

Thanks,

Max
 

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08 STS4 V8 1SG & 04 SRX4 V8 & 01 Monte SS
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Not all cars came with the air quality sensor, which is what controls the auto recirculate option... You would have to add the sensor and some wiring and then reprogram the HVAC unit to use it.

The spoiler was deleted to reduce cost is the best guess. I've added a spoiler to mine, others have as well.

Adding base spoiler:
http://www.cadillacforums.com/forums/cadillac-sts-forum-2005-through-2012/265223-installed-factory-sts-spoiler-my-08-a.html
or:
http://www.cadillacforums.com/forums/cadillac-sts-forum-2005-through-2012/260577-spoiler-install-drilling-holes-pics.html

Adding "V" spoiler:
http://www.cadillacforums.com/forums/cadillac-sts-forum-2005-through-2012/457705-how-install-sts-v-spoiler.html

If I had to do it again I would have gone with a V series spoiler as they look much better on the car, however I was able to obtain the base style one for a very low cost.
 
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