Got the Yukon back from the dealer without any changes they said its normal and nothing to worry about it. And its on life time warranty if something happen we are going to do the need full.
please click at the you tube link to watch the video. the cruise control is on and the road is straight flat and see the rpm needle jumps from 1300 to 1500. The GM dealer guy said its normal in all 2013 Denali s
http://youtu.be/lK-qpf7Ox3k
---------- Post added at 11:28 AM ----------...
Hi every body
This is my first thread in this forum. I got new 0 meter GMC Denali 2013 yesterday while I was driving i felt fluctuation in the RPM. It was going slightly up than slightly down ward so I tried going on 60 MPH with cruise control on but it did the same thing. And the other issue...
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