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  1. General Tech Section
    Hoping someone can help me out: Why on one side of the Terrain is the DRL only lighting up on the top and not all around that horseshoe shape like the other side? See photo for the issue. Any help is appreciated.
  2. Engine & Drivetrain
    Hey everyone, I just recently rebuilt a 2019 terrain with the 1.5L engine in it and on my first test drive I got a P0234 code for overboost. The car only has 8k miles and has been sitting for probably close to 6 months so im thinking the waste gate may be stuck or something is just sticky. This...
  3. Audio, Video & Nav
    I've seen a lot of good info on here so decided to finally join. I have a 2018 Terrain SLT Non-Bose system. I purchased 4 new speakers (JBL GX Series). 6"x9" in the front doors and 6.5" in the back doors. I already know the amp I will need has to provide 50-60 watts per channel but my question...
  4. New Member Section
    2012 Terrain check engine light comes on starting with 2 codes p0030 n p0036 went to fix them and more codes show up p0097, p0141, p0443 n p2199. Fixed the first 2 O2 heater sensors n replaced Mass Air/IAT2 sensor but when you clear them after 15 minutes or a restart they all come...
  5. Terrain General Discussion
    Went to do an oil change and noticed afterward that the 5W-30 oil I had purchased was Dexos 1 Gen 2. Will this affect my engine and what oil do you recommend from personal experience for this vehicle.
  6. General Tech Section
    I am about to lose my mind. 2015 GMC Terrain about 70,200 miles. No lights appearing on dash. This past Wednesday went to grab a few things, stopped, continued on and when came out with groceries battery was dead and had to be jumped. I let it run almost 30 minutes as I figured out where to...
  7. New Member Section
    I'm going to have a subwoofer installed in my 2020 Terrain soon and I am worried that the ANC may cause an issue. I have only come across 2 videos with a 2018 & 2019 showing to disable the rear mics in the headliner. But in the videos, those were the only mics in the cars. I have a total of 4 in...
  8. Exterior & Body
    Does anyone know if there is an aftermarket hidden hitch? I want to put a trailer hitch on but want it to be hidden where I can pop the cover on and off when I need to use it. TIA
  9. Picture Share
    My terrain in 2016 model SLE-2 with 3.5L V6 AWD. I had a original 17 inch stock rim + all season tire , and now I have 18 inch Niche Glossy Black rim + Mazama all season tire.
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