Engine Oil Consumption; Used Engine Oil - Toyota 2013 Corolla Owner's Manual

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Engine oil consumption

A certain amount of engine oil will be consumed while driving. In the follow-
ing situations, oil consumption may increase, and engine oil may need to be
refilled in between oil maintenance intervals.
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When the engine is new, for example directly after purchasing the vehicle
or after replacing the engine
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If low quality oil or oil of an inappropriate viscosity is used
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2.4L 4-cylinder (2AZ-FE) engine: When driving at high engine speeds or
with a heavy load, when towing, or when driving while accelerating or
decelerating frequently
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1.8L 4-cylinder (2ZR-FE) engine: When driving at high engine speeds or
with a heavy load, or when driving while accelerating or decelerating fre-
quently
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When leaving the engine idling for a long time, or when driving frequently
through heavy traffic
CAUTION
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Used engine oil

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Used engine oil contains potentially harmful contaminants which may
cause skin disorders such as inflammation or skin cancer, so care should
be taken to avoid prolonged and repeated contact. To remove used engine
oil from your skin, wash thoroughly with soap and water.
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Dispose of used oil and filters only in a safe and acceptable manner. Do
not dispose of used oil and filters in household trash, in sewers or onto the
ground. Call your Toyota dealer, service station or auto parts store for
information concerning recycling or disposal.
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Do not leave used engine oil within the reach of children.
4-3. Do-it-yourself maintenance
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