GM Chevy Mylink sometimes has phantom touches on the screen. This video show you how to take apart and replace the screen to prevent future phantom screen.

This is the screen replacement I used for my 2015 Silverado 2500
https://a.co/d/fgORtoA
Wztepeng 8" 55 Pin Touch Screen Glass Digitizer Compatible with 20152018 Chevrolet Suburban Tahoe Chevy Colorado Silverado GMC Canyon Sierra MYLINK Navigation Raido Replaces DJ080PA01A DJ080PA01G