GMC Sierra owners have reported 1 problem related to navigational (global positioning system) gps (under the equipment category). The most recently reported issues are listed below.
Gps infotainment screen is to bright at night and there is minimal adjustment that also dims the instrument cluster so that you can't see it and controls. After dimming everything together instrument cluster and the gps screen and placing the vehicle into reverse the screen goes into full brightness if you put it in drive the screen goes to the front camera and is dim like it was before placing it in reverse. There is no contrast or dim option for just the infotainment screen. The only option is auot day night all are very bright and dull gray looking lacking contrast. It's very difficult to drive at night with this screen blinding you non stop the only thing you can do is place a rag over it. I can't drive the truck at night it is very distracting to me and I don't feel safe.
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