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mistergmc

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About mistergmc

  • Rank
    Enthusiast

Profile Information

  • Name
    Eric
  • Location
    Texas
  • Drives
    '19 Sierra AT4
  1. I wanted to share a couple of warranty repairs that I went in for last week. As many have shared, NAV stopped working due to SDCARD no longer able to be found (display error message). The resolution to this was replacement of the SDCARD slot assembly. The techs indicated there is a tech bulletin about slot assemblies that did not allow the card to seat securely. No problems since the replacement. Also, everyone has been flashing me with their headlights at night (them thinking my brights were on). Dealer under warranty dropped the low beams 2” which interestingly enough, is the lift amount on the AT4. The service writer did not go “on record” by staying this is a common problem, but the tech said he does not think they have a process on the line to realign the low beams for AT4’s.
  2. Automatic Folding Mirrors

    Lest we forget that person who goes out of their way to park beside you - when you’ve taken the time to park away from the pack. :-)
  3. I’ve not used it to it’s full capability yet on the AT4, but it definitely takes all effort away from getting into the bed for wash days, etc. Even for something as mediocre as grocery getting (I have a hard bed cover), it brings practical use back to the truck bed. It’s also going to come in handy when ham radio antenna mount time comes. I can’t wait for summer in order to put it to it’s full use - loading the gen set, furniture move from across the US, etc. I’m planning to add a travel trailer this year, so I can only imagine it’s going to make gearing up that much easier.
  4. 2019 External Antenna?

    Agreed. My first stop after picking up the AT4 was the local parts store. I picked up a black after-market shorty and did not look back. No noticeable affect in FM reception, however I do live in a flat metro area. Also, I spend little time listening to terrestrial stations anyway (either SXM or Pandora on cell).
  5. Thanks all for the responses. I guess this falls into the fun category of “working as designed”.
  6. Has anyone else had problems with bumping the right hand roller/selector knob while driving? I’m finding that I keep bumping the roller/selector while driving and changing the driver information options unintentionally. It’s almost as if the detent on the roll switch is not aggressive enough (or the tension of the roller/button is too weak). Just trying to determine if I need to modify my driving behavior or do I have an overly sensitive switch that needs addressed by service. Thank you.
  7. I traded my one year old Canyon on the AT4 and did not look back. I was not in the market (was very happy with the Canyon). I blame GMC for this; I was at the dealership having scheduled maintenance done when I saw the AT4 on their showroom floor. Two months later of searching and I was in the AT4 - found one elsewhere that had all the features I wanted.
  8. engine stop start

    New AT4 owner here. Love it! Starters and engines are mechanical parts. They wear with use. In homage to previous old-school mentions in this thread, I will never forget being stranded in sub-zero weather with a failing starter (having to give it a good solid whack to get going). Yes, that is from my $500 first car days. I’ll stick to turning mine off at engine start - interesting enough the list gets longer almost akin to a pre-flight check. I’d rather preserve the expense later of having to get a starter replaced prematurely. After having pulled dash components off my ‘17 canyon to do a two-way install, I shudder at getting into my AT4 dash to jumper that start switch with a home-brew solid state toggle circuit. After reading from those in this tread who dislike the feature, maybe I could find an easier access point and make one available for general use. ;-) Some Cracker Jack programmer will come along and be able to program-out that “feature”. Much in the same way someone reverse engineered my ‘06 Pontiac GTO and allowed you to put custom vanity text on the driver information center. Anyway, happy trucking folks and thanks to the forum management for providing this venue.
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