Lexus GS 450h 2008 Owner's Manual page 454

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4-3. Do-it-yourself maintenance

Cleaning method

Replacement method

If the filter is dirty, clean by blow-

ing compressed air through the

filter from the downward side.

Hold the air gun 2 in. (5 cm)

from the filter and blow for

approximately 2 minutes at 73

psi (500 kPa, 5.1 kgf/cm

If it is not available, have the filter

cleaned by your Lexus dealer.

Remove the air conditioning fil-

ter from the filter case and

replace it with a new one.

The " ↑UP" marks shown on the

filter and the filter case should

be pointing up.