A few days ago, the guide lines on my backup display disappeared. The only work I've had done lately is to my hitch electronics.

 

Does the space shuttle have a backup camera? Probably not, what are you piloting? Year, model, trim level, etc........
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2013 4x4 SuperCrew Canadian Model.....Sorry!

 

2013 F150 XLT 4x4 XTR

 

It's been my experience when ever a change is made electronically etc.. I have to go into the menu of the instrument cluster to reset the camera settings, just changing the battery can make the system default to off.

Check your settings.
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The menu that says Backup--Off/On...Zoom 1, 2, 3 etc?

I see no options for the guide lines there. Or is there another menu?

 

Check the menu with truck in park.
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That worked. THANKS

 

Welcome.