Jiffy Bumpit
TYF Newbie
- Joined
- Mar 11, 2023
- Posts
- 17
- Reaction score
- 8
Recently, my Denali shows Collision Avoidance Unavailable and ACC Unavailable when I start the vehicle up in the afternoons for my commute home. Last week it was due to the heavy pollen on the windshield. Now that's over and I washed my Yukon two days ago (i.e., my windshield is crystal clear). Has anyone else had this problem? Is there something I can check?