2010 Lexus RX 450h User Guide - Page 495

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4-3. Do-it-yourself maintenance

CAUTION

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When adding washer fluid

Do not add washer fluid when the hybrid system is hot or operating as washer fluid

contains alcohol and may catch fire if spilled on the hybrid system etc.

NOTICE

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Do not use any fluid other than washer fluid

Do not use soapy water or engine antifreeze instead of washer fluid.

Doing so may cause streaking on the vehicle’s painted surfaces.

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Diluting washer fluid

Dilute washer fluid with water as necessary.

Refer to the freezing temperatures listed on the washer fluid tank.