Lexus SC 430 2006 Owner's Manual page 213

4-3. Do-it-yourself maintenance
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How to read oil container labels
The ILSAC (International Lubricant Standardization and Approval
Committee) Certification Mark is added to some oil containers to help
you select the oil you should use.
Resetting the engine oil replacement reminder (U.S.A. only)
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Turn the ignition key to the "OFF" position with the odometer reading
shown. (P.91)
Turn the ignition key to the "ON" position while holding down the
"RESET" button.
Hold down the button more than 5 seconds.
If the system fails to reset, the light will continue flashing.
Engine oil consumption
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The amount of engine oil consumed depends on the oil viscosity, the quality of
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the oil and the way the vehicle is driven.
More oil is consumed under driving conditions such as high speeds and fre-
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quent acceleration and deceleration.
A new engine consumes more oil, since its pistons, piston rings and cylinder
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walls have not become conditioned.
When judging the amount of oil consumption, keep in mind that the oil may
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have become diluted, making it difficult to judge the true level accurately.
Oil consumption: Max. 1.1 qt. per 600 miles (1.0 L/1000 Km, 0. 9 lmp.qt/600
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miles).
If you consume more than 1.1 qt. (1.0 L, 0. 9 lmp.qt.) every 600 miles (1000 km),
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contact your Lexus dealer.
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ILSAC Certification Mark