HomeAll RepliesReply To: 2013 Tahoe horn randomly blares when locked Reply To: 2013 Tahoe horn randomly blares when locked Sponsored February 4, 2021 at 7:40 pm #638979 99ssconvParticipant You might have a wire chaffed (shorting to ground) just below the drivers air bag in the steering wheel. Have fixed a few that had intermittent horn going off Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored