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  1. 2

    First issue on my 2026!

    Did you return the vehicle to the dealer?
  2. 2

    2026 Tahoe-auto braking settings

    Does the vehicle owner’s manual (available online) state that the auto braking system can be turned off and remain off? What alarm are you referring to? No ideas on how to fix but I’d return to the dealer and insist the vehicle be repaired. Keep meticulous records as you may have to invoke...
  3. 2

    DFM module for 2026

    GM can void your warranty (such as new car, power train and emissions) if they discover it - but only for portions of the vehicle that the DFM module affects (such as your engine, electronics affecting the engine, etc.). GM has sophisticated systems to detect the DFM module modification. Some...
  4. 2

    3rd row 60 will not go down!

    No reason to be rude and disrepectful.
  5. 2

    L87 Failure - Taking formal action

    Have you taken the vehicle to the dealer yet?
  6. 2

    First issue on my 2026!

    I had a similar situation when I purchased a new 2014 Impala 2LTZ (new model). The problem occurred on the way home from purchasing the vehicle new. When we had test driven the car, someone was always in the RF seat. With no one or any items in the RF seat, the seatbelt alarm would sound and...
  7. 2

    Help BCM Code B827A After Engine Rebuild

    Did you return to the business that rebuilt the engine?
  8. 2

    low hanging independent rear suspension any problems

    What is high group clearance?
  9. 2

    Dead AGM Battery

    You have a defective battery. Return it for replacement under terms of your battery warranty.
  10. 2

    First 5,000 miles

    I have not applied a vibration pad to my vehicle (yet?). The pads are often black, rubber-butyl with a self-adhesive backing.
  11. 2

    2021 Yukon AT4 5.3 using oil

    Do you do your own engine oil and filter changes? You said “we always change the oil and filter …”. Is it possible an incorrect amount of oil was put in the engine with the last oil change? The owner’s manual for my 2024 Tahoe with the 5.3L engine states to wait at least two hours after...
  12. 2

    Visor light bar

    Some law enforcement and fire personnel mount emergency light bars on the inside of their windshield, near the roof where the glass meets the headliner (behind the visors). The light bars are tapered and designed to fit flush against the inside of the windshield, while being mostly concealed on...
  13. 2

    Additive Spill

    When I purchased my Tahoe new, the GM funnel was inside the rear storage compartment. You can buy the special funnel at most auto parts stores.
  14. 2

    L87 Failure - Taking formal action

    Let us know how your dealer service experience goes. When will you be taking your vehicle to a dealer for the action you listed?
  15. 2

    Transmission Issue?

    Guessing on the Internet won’t be very helpful. You will need to have the transmission scanned for any fault codes. Based upon your description, it doesn’t sound good.
  16. 2

    First 5,000 miles

    Mine does that too. A vibration pad applied to the interior trim piece would stop the rattling. I can’t believe GM missed these issues with all their testing?
  17. 2

    Issue Replacing Water Pump

    You may want to post this in the 2007 - 2014 engine Tahoe section. You may get more responses.
  18. 2

    First 5,000 miles

    The LF seatbelt always gets caught between the seat and B-pillar trim on my Tahoe. Poor design - and frustrating every time I get in the truck and buckle-up. The seatbelt on the right rear (third row) always gets stuck between the seat and rear panel trim when the seat is power-folded upright...
  19. 2

    Latest OTA update introduced a new GPS 'feature'

    I believe when an OTA update is done, GM should have to email and mail the owner a letter describing exactly what changes were made. Many of the OTA updates are done while the vehicle is under warranty, and GM is very coy and secretive about the updates and changes made to the vehicle. The...
  20. 2

    Want To Drop 2024 High Country w/Air Suspension

    I’m not sure you would improve the vehicle’s handling. You may negatively affect the vehicle’s stability control, the automatic emergency braking and the active cruise control systems.
  21. 2

    Want To Drop 2024 High Country w/Air Suspension

    Why would you do this?
  22. 2

    Died at 70mph on I-75

    One thing that people often overlook when their vehicle is sitting months at the dealer awaiting repair (due to lack of parts) is that their warranty (base, power train, emissions, or extended service plan) continues to expire with no extension. You make a valid point - you’re paying for a...
  23. 2

    Died at 70mph on I-75

    A week away from three months at the dealer. I would not be as patient as you and would have contacted an attorney by now. Best wishes - keep us updated.
  24. 2

    2025 Denali Driving Modes

    Did you read the “Driving and Operating” section (driver mode control sub-section) of your vehicle owner’s manual, which contains a detailed description of each driving mode?
  25. 2

    New Tires for 24” Factory Wheels

    Why do you want to get wider tires?

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