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Info system just locks up and goes blank

809 Views 0 Replies 1 Participant Last post by  Hankerdoodle
2021 Suburban Z71 with Nav and rear entertainment. Displays just go blank for no reason. Music keeps playing but you have no control even with analog manual controls.
After the vehicle is off for awhile they start working again.

haven’t taken back to dealer yet. Have 1100 miles on it so far.
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