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I'm thinking it's the GPS(?) icon that is on the lower right side of the infotainment screen has been going red with a line through it over the last week. One time it will be on, and then it will go red. I can't find anything in the manual. Does anyone have any clue? 2021 Acadia
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It usually means the vehicle's GPS isn't getting sufficient signal from the satellite network. GPS requires signals from at least 3 satellites to work properly. It uses those signals to 'triangulate' your location. Note your surroundings when the icon goes red. If you're out in the open when it happens frequently, you may have a problem with the GPS antenna. Satellite signals are extremely weak and easily blocked by tall buildings, heavy forests, and rugged topography.
 

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