Correct answer
Suitable washer fluid, ready to use or diluted as instructed.
A washer fluid suitable for the manufacturer’s specifications and expected temperature. Dilute concentrate as instructed; do not routinely add detergent to ready-to-use fluid. Do not use bleach or replace washer fluid with engine coolant. In cold conditions use the freeze protection specified for the washer system.
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Suitable washer fluid, ready to use or diluted as instructed.
Household bleach added without consulting the manual.
Engine coolant as a substitute for washer fluid.
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