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  1. M

    Driver Alerts have suddenly started changing from beeps to seat vibration

    finally GM has agreed to replace on of the many modulators (being done today). Apparently they have had this problem before and replacing the modulator fixed it. We will see.............
  2. M

    Driver Alerts have suddenly started changing from beeps to seat vibration

    I sent a certified letter to GMC customer support and they actually called me; only to say take it to the local dealer for analysis. I did that and left it with them for tw days. They could not reproduce the issue but discovered that one of the key sets was programmed to "vibrate". I have not...
  3. M

    Driver Alerts have suddenly started changing from beeps to seat vibration

    I have a 2023 Yukon XL Denali with the exact same issue. GMC says talk to dealer and dealer has no fix. Very frustrating. I set it on "beeps" and it changes to "seat vibrations" on it's own, sometimes the same day I cahnge it, sometimes a week later, kind of random.

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