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    Weird onstar notification -tire pressure

    I received anemail from OnStar saying my tires were flat. I took a look at my My Chevy app and see the information, all tires are around 35- 36 psi, and the recommended tire pressure is 556? ( see attached). ????????
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    DEF tank capacity = 5.4 gal

    5.4 gal Didn't see this anywhere in a forum search, so thought I'd put it here. Filled up at a truck stop yesterday (you have to prepay), and way overestimated how much I needed. With 3 bars left on the gauge, it took about <3 gal to fill to overflow....
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    First long road trip

    I took my first long road trip in the car last week. I have used it to go 350mi one way several times, but never an extended family trip. Car is 1 year old. Duramax LT Sig with max tow. Trip was Seattle > Oregon > Idaho > Utah > Las Vegas - Nevada > Idaho > Orgon> Seattle Overall 2650mi, got...
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    Def usage - seemed to drop really fast

    So I was on a drive last night, some winter/mountain driving, 370mi one way, temps around/below 30 most of the time. Speed between 65-74. About 60 miles into the drive, I got a 995mi DEF warning. I had about 300 miles to go, thought it shouldn't be a problem. I checked, there were 3 bars left...
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    Where do you get your oil changed?

    Just curious where people are getting the diesel oil changed? I’ve used the dealer 2x now, which is atypical for me (usually 30-50% more for standard oil changes there). But with the diesel, I feel like I’d rather use the dealer. I called Goodyear and Firestone. Goodyear had no idea “we’ve never...
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    Diesel Cap

    Just thought I'd share that the cap below, though not listed for Chevy/GMC, fit perfectly in my Suburban Duramax. Feels better knowing my wife will always see this when she goes to fill up. https://www.amazon.com/gp/product/B07FKPHVFB/ref=ox_sc_act_title_1?smid=A1BFARVD1MERH7&psc=1#customerReviews
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    Production forgot to put my front splash guards on.

    I ordered the front/rear molded splash guards, and the line just didn't put them on the front. Dealer is taking care of it, but I thought that was really odd...
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    Nitrogen filled tires

    Picked up my new Duramax Suburban, and was somewhat surprised to find a "Get Nitrogen Institute" package in the glove box (with an extra green colored stem cap in it. Is it standard to put nitrogen in now?
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    Anyone do a replacement (lemon) vehicle with GM?

    I am in the final stages of getting a replacement vehicle, and wondered about a couple things. First, how exactly was your usage calculated? Obviously it will depend on miles, but what did they use as the start point? My problems started basically 500mi after purchase (60+ days in for service...
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    Thule Cross Bar Height verses OEM

    Does anyone know what the difference is in height for the Thule verses the factory? I have the factory (needed for winter, when no fit kit was available). I do like the factory ones, but wish they say about 1-2" lower. I have an old set of Thule Aero bars (+ feet/locks) and I'm wondering if it...
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    Apple CarPlay Issues w/2022

    Anyone have issues with Apple CarPlay and the 2022 models (android). I have not seen it mentioned here, but came across this yesterday on an Apple forum: https://discussions.apple.com/thread/253548582 I am getting my replacement '22 Sub in a few weeks and just curious if this is going t be a...
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    4WD and tilt indicator display on LT Suburban

    My 21 Suburban LT Signature was in the shop recently. I got a rental 2021 Tahoe LT (not Signature), and noticed that on the Tahoe display (in front of the steering wheel) there was an indicator for 4WD status as well is front and side to side tilt (on the same display where the oil life, engine...
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    TSBs on new vehicle

    Is there a way to tell if the dealer actually performed the required checks based on the TSBs, while it was in the lot?
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    Thule Cross bars - fit kit

    I have a cross bar set from my trade-in that I am pretty sure would fit perfect on my new 2021 Suburban. However there are no Thule fit kits yet available for this vehicle line. I cannot understand what could possibly be taking so long - hasn't this been out since last summer? Does a new...
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    Can you add options later on the LT Signature?

    Namely, AdaptiveCC? Probably not but just curious - seems like it could be a simple software addition?

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