Fixing the Park Assist Blocked GMC Warning
Seeing the "park assist blocked gmc" message pop up on your dashboard is one of those minor annoyances that can really ruin a smooth drive. You're trying to back into a tight spot at the grocery store or maneuver your Sierra into the garage, and suddenly the safety net of beeps and vibrating seats just vanishes. It's easy to think that something expensive has broken, but most of the time, this warning is the truck's way of saying it's "blinded" rather than actually broken. ...