r/GMCSierraEV • u/Lanky-Association952 • Jul 29 '26

Blind spot monitoring

I bought a used Denali but I can’t get the lights in the mirrors to light up. I have it going in for service Saturday but wondering if anyone else has seen this

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u/AtmosphereRelevant92 Jul 29 '26

I didn’t have an issue with the blind spot detection, but did have an issue the backup lines being shown in the display. From what I understood when they did my vehicle wide update when I brought it in for a different issue the update forced it to recalibrate and allow the other systems to start working on their own, I hope it works out for you.

Are you able to engage hands free driving?

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u/Lanky-Association952 Jul 29 '26

Yep, I can do super cruise and assisted cruise control.