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    2021 Denali Assist Handle

    I have one I no longer need. When I return after Easter we can make contact.
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    21-22 Driver Side A-Pillar Assist Handle

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    Turn signal audible tone

    Same problem - cannot hear turn signal warnings at highway speeds. They also eliminated the turn signal light in the mirrors so we cannot hear, or see, the signal warnings.
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    Is this vehicle TOO big?

    My 2021 Yukon Denali does not have adjustable pedals, nor an assist handle on the passenger A pillar. Do like the larger door mirrors but miss the visible turn indicator in the mirrors. The only way to know if you actually have the turn indicator on is to look at the dash display. At highway...
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    Thoughts from a 2018 owner to a 2021

    When parking if you momentarily shift into reverse, the cameras turn on - then shift back to drive and they stay on. Very helpful because the larger body makes for poor visibility in tight spaces.
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    2021 Denali Assist Handle

    Asked my dealer to replace the A pillar passenger cover with one with an assist handle. He researched the possibility including checking with GM. The answer is an assist handle cannot be added to the 2021 Denali.
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    Mud Flaps and Power Running Boards

    My dealer says the GM mud flaps do not work with the Denali power running boards. On my earlier Denali I used Husky Liner mud flaps but they are not yet available. Hope they are soon because the front mud flaps really do protect the running boards.
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    Power Console in Denali?

    They are available to order now on the Yukon Denali. Was going to include on my order until I saw the details. Looks like you will give up a lot of console storage for what seems to be a novelty design. May be useful for some people.
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    Onstar Wifi with push-button start

    If you don't open a door it will continue for ten minutes, then turn off. Then you must restart the vehicle to reactivate wi-fi for ten more minutes. You can do it over and over again.
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    2021 Yukon Denali site

    Here it is. https://www.gmc.com/future-vehicles/2021-yukon?evar36=MRM_eml_GMC_HR_2021_YukonReveal_TR_0120_16219587150
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    6.2L active fuel management and lifer/cam failures. Oil Choice

    Have 2015.5 Denali with 49K miles. Using Mobile 1 Extended Performance 0W-20 and Fram XG10575 Ultra Synthetic filter. Change at 20% or about 7 K miles. So far no issues.
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    Tire Chains on 2018 Yukon Denali with 22" wheels?

    Deputyfiredog - check out my 6/24/18 post (gary645) for what works for me. I live in the Portland hills and travel to Sunriver in the winter. Have never had a problem in the hills at home (the studs work well on the ice) or the Santiam Pass. Go to Les Schwab and ask for their advice. They have...
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    Is anyone happy with their 2015?

    My Thule car top carrier fit my 2004 Yukon, 2008 Tahoe and 2013 Acadia. But on the 2015 Yukon the cross bars could not be adjusted to fit the carrier. Before you purchase the GM cross bars, determine if what you want to mount fits the unadjustable spacing in the 2015 cross bars.
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    Is anyone happy with their 2015?

    Factory cross bars are not adjustable and will not accept many attachments. Better to purchase outhouse cross bars like Thule which can be mounted any where on the side rails.
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    Squeaky Creaking Noise In Rear Suspension

    They used a zip tie to keep the emergency brake line from rubbing against something. Squeak gone.
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    2018 Nav System Map Update Question

    The GM nav systems in my past trucks and current 2015+ Denali cannot hold a candle to aftermarket GPS like Garmin or TomTom. If you buy the GPS with lifetime updates you're set. Buy a ProClip mounting system for the GPS and you're good to go.
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    Problem with ventilated seats in a 2017

    I have a 2015 Denali. When I turn on the seat ventilation, with AC on or off, I can hear a fan motor and begin to feel the air flowing through the seat and seat back.
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    HUD

    Had windshield replaced at high end "out house" auto glass shop. Specs on their receipt listed following features of windshield. (Rain Sensor, Acoustic Interlay. W/LDWS, Heads Up, Solar). Does anyone know if there is a Heads Up adjustment the dealer can make? I've asked dealer but they have not...
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    HUD

    Recently had 2015i Denali windshield replaced with an GM OEM windshield. Now the HUD is slightly out of focus/alignment. I can still move it up and down, make it brighter or dimmer, and change the display content. The problem is each element in the display is slightly doubled instead of a single...
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    Tire Chains on 2018 Yukon Denali with 22" wheels?

    I run 20" studded snow tires in the winter and have always gotten through anything I encountered. In Oregon we are required to carry tire chains when crossing the mountain passes. I carried cable chains to comply, however I could not actually install them. Have traded the cable chains for...
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    OnStar Data Plan Billing

    For the past six months my data plan billing is one day earlier than the past month. Maybe a clever way for OnStar to quietly over bill customers? Is this happening to anyone else?
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    URGENT FEEDBACK NEEDED - Extremely Stiff Ride (vibration) on 2017 Denali XL

    Regarding noise that seems to be coming from left front suspension. TSB PIT5477A addresses this issue - then need to replace the "jounce bumpers." Had mine replaced and the noise is gone.
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    Real MPG on Denali?

    25 K - 19.1 mpg
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    17 Tahoe makes squeaky suspension noises

    Dealer replaced the jounce bumpers today and on the drive home could tell the squeaking noise was gone. The details are in TSB PIT5477A as advised by Wjp45066 - many thanks! Without your info this may have never been fixed. I'll attach a copy of the TSB.
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    17 Tahoe makes squeaky suspension noises

    Thanks for the TSB info - gave it to my dealer and he is ordering the parts to see if this fixes my squeak. I'll post in a couple weeks after they give it a try.

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