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SummitWhiteT1

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About SummitWhiteT1

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  1. I have a 2021 with an 8spd. I traded in a 2019 that also had the 8spd and it was a night and day difference. I would get all the usual 8spd complaints in the 19 but none of them in the 21. The only thing I can't comment on is if the 10spd shifts faster than the 8spd. I never drove a 10spd to compare it to
  2. It’s mainly for when you need to put stuff in the back. Happens all the time to me. Walking back from the grocery store and I need to open rear door to sit my kid in the car seat and groceries under the other seat and I have to walk up to the front door first and then push the button and walk back. Yeah it’s not a huge deal but it’s annoying especially after being used to having them on all 4 on my 2019. Sent from my iPhone using Tapatalk
  3. Wondering if we could just add the harness and button and have it be plug and play. I would think the vehicle should recognize them since some models still have them Sent from my iPhone using Tapatalk
  4. Yes, never had a hard shift so far wether I warmed it up or not. 3,000 miles and smooth as butter Sent from my iPhone using Tapatalk
  5. I just traded my ‘19 LT for a ‘21 RST and both have the 5.3 8speed. The new one however shifts way smoother. I used to get the shudder when switching from reverse to drive sometimes or the 1-2 downshift problems. Now I have absolutely no problems at all. I drove a trail boss before buying my RST and I honestly couldn’t tell much of a difference other than having 2 extra gears. My ‘19 was a late build too, it was manufactured about 5months after GM supposedly started putting the new fluid from the factory and the TSB or w/e should have been done way before I ever bought it but it still drove like crap compared to my new 8speed Sent from my iPhone using Tapatalk
  6. I wonder how hard these would be to add after the fact. My 19 had them but when I traded up to a 2021 it didn’t have them on the back and I keep reaching for the damn buttons Sent from my iPhone using Tapatalk
  7. I’m about to install my oem running boards that I took off from my previous truck. Noticed that they didn’t have any plastic washer between the mount and the rocker. Is this Normal? Wouldn’t friction from people stepping on them over time cause the paint to wear off that part of the truck and allow rust? Was thinking of putting some thin plastic washers there Sent from my iPhone using Tapatalk
  8. Same here, always a rear door when it fails. It never happened on my 19 Sent from my iPhone using Tapatalk
  9. I recently traded my 19 LT for a 21 RST. On my old truck I could open and close every single door several times and afterwards my truck would auto lock as soon as all the doors were shut. On my new truck I’ve noticed that it doesn’t always do that even tho I believe I’ve enabled all relevant settings in the infotainment system. I don’t have the rear door lock buttons on my 21 like 19 had so idk if that may have anything to do with it? Sent from my iPhone using Tapatalk
  10. I'm happy I have a 2019. 12" inch screen and no column shift is already making me question ever buying a new one. The nail in the coffin tho is the new global B architecture these supposedly have. Everything is encrypted and locked down and already all the reports from C8 and Tahoe/Yukon issues is making me never want to own a newer gen GM vehicle. Sounds like they will be a nightmare to even get something simple like speedo calibration done when getting a lift and bigger tires
  11. guess we are going to have to wait until some brave soul out there decides to take one out on a more rigorous trail lol
  12. This is from GMC’s website. It seems like it could be promising but no way to know unless it’s actually tested: Terrain Mode is designed for use in low-speed off-road driving and helps replicate the control of a traditional low-range four-wheel drive gearing. Additionally, it works to assist the driver on very technical terrain, where precise vehicle control is essential. “Our goal with Terrain Mode was to assist the driver, but to ensure they didn’t feel isolated from the off-roading experience,” says Creehan. ”We wanted Terrain Mode’s functionality to feel natural – and above all, be enjoyable.” In order to select Terrain Mode, the transfer case must be in four-wheel drive (4 High). A unique transmission calibration helps leverage as much engine braking as possible. Like Snow Mode, the accelerator pedal is tuned to respond slowly, allowing for a more precise application of throttle – important when trying to regulate wheelspin when climbing uneven surfaces – while Start/Stop is disabled to avoid any interruption when slowly traveling over rough terrain. Terrain Mode also employs advanced brake-based controls to not only modulate torque across axles – important on loose or uneven surfaces – but it can also work along with engine braking to help regulate speed, especially when travelling slowly downhill. At speeds between 10-25 mph, Terrain Mode will slow the vehicle to a creep speed, much like low-range gearing would in a two-speed transfer case. In the case of more challenging situations – like traversing small boulders or logs – the driver can manually shift the transmission into first or second gear (L1 and L2). In this case, the brake system will work to bring the truck to a full stop if the driver removes his or her foot from the accelerator. Terrain Mode can also leverage an advanced form of Hill Start Assist, which helps hold the brakes under certain conditions while the driver shifts his or her foot from the brake pedal to the accelerator, helping prevent Sierra from moving during the transition, especially while driving through rocky terrain or steep paths. The part about modulating torque across axles sounds particularly interesting. Sounds like the computer doing left foot braking for you to help with traction Sent from my iPhone using Tapatalk
  13. Yeah same here. I tried it on a dirt road and it has some cool tricks but I just wonder if it can handle light trails especially going up or downhill. I wish someone like TFL Truck would take one off road just to see how it does lol. I don't think the torque should be a problem since these trucks already have way more torque than a lot of older trucks that did fine off road. I just worry about the transmission or brakes over heating going up and down hills.
  14. Wondering if anyone has used it at all yet. Worried that the transmission or brakes might overheat
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