HomeAll RepliesRe: Help with my screen on the Terrain Re: Help with my screen on the Terrain Sponsored March 31, 2012 at 10:48 am #39460 Z15Participant fyi – I got a 2012 Sierra Denali with same touch screen Nav and mine does not beep. I would guess the default is set to 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