Weird blue stripe on screen

[Longsally]

Husband and I are on a road trip and he noticed that every now and then this blue stripe comes up on the screen. I tried to take photos of the blue stripe but they didn’t come out in the pictures. Does anybody know what these are?

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[Jimrpa]

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[RockwallRick]

Husband and I are on a road trip and he noticed that every now and then this blue stripe comes up on the screen. I tried to take photos of the blue stripe but they didn’t come out in the pictures. Does anybody know what these are?

Vertical or horizontal?

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