PROCEDURE
(a) Check that conditions in the cabin are not likely to cause condensation. HINT: This problem occurs when the cabin is humid and the temperature changes rapidly. This may produce condensation, resulting in a short circuit. OK: Condensation is not likely to be produced.
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Toyota Tundra Service Manual > Navigation System: Screen Flicker or Color Distortion
PROCEDURE 1. CHECK DISPLAY SETTING (a) Display the "Display (General)" screen. (b) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. Text in Illustration *a Example Result Result Proceed to OK A NG (for Column Shift Type) B NG ...