Toyota 2015 Corolla Owner's Manual page 410

Holding a rag under the end, pull the dipstick out and check the
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oil level.
Low
1
Normal
2
Excessive
3
Flat dipstick
The shape of the dipstick may differ depending on the type of
vehicle or engine.
Wipe the dipstick and reinsert it fully.
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COROLLA_TMMMS_TMMC_U (OM12F00U)
7-3. Do-it-yourself maintenance
Non-flat dipstick
437
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