Toyota Tundra Service Manual > Navigation System: Display does not Dim when Light Control Switch is Turned ON
PROCEDURE 1. CHECK IMAGE QUALITY SETTING (a) Display the "Display" screen. (b) Turn the light control switch to the tail or head position. (c) Check if "Day Mode" on the display adjustment screen is on. OK: "Day Mode" setting is off NG TURN "Day Mode" SETTING OFF OK 2. CHECK VEHICLE SIGNAL (OPERATIO ...
