Lexus IS300H 2017 Manual page 373

When using the screen
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Under extremely cold conditions, the Lexus Display Audio controller may react slowly.
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If the screen is cold, the display may be dark, or the system may seem to be operating
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slightly slower than normal.
The screen may seem dark and hard to see when viewed through sunglasses. Change
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your angle of viewing, adjust the display on the "Display" screen (P. 383) or remove
your sunglasses.
Using cellular phones
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Interference may be heard through the audio system's speakers if a cellular phone is
being used inside or close to the vehicle while the audio system is operating.
WARNING
Using the Lexus Display Audio controller
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Be careful when touching the Lexus Display Audio controller in extreme temperatures
as it may become very hot or cold due to the temperature inside the vehicle.
NOTICE
To prevent Lexus Display Audio controller malfunction
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Do not allow the Lexus Display Audio controller to come into contact with food, liq-
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uid, stickers or lit cigarettes as doing so may cause it to change color, emit a strange
odor or stop functioning.
Do not subject the Lexus Display Audio controller to excessive pressure or strong
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impact as the controller may bend or break off.
To prevent 12-volt battery discharge
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Do not leave the audio system on longer than necessary when the hybrid system is off.
To avoid damaging the audio system
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Take care not to spill drinks or other fluids on the audio system.
5-1. Basic Operations
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