2010 Toyota Corolla Owners Manual - Page 326
2010 Toyota Corolla Manual
Page 326 highlights
4-3. Do-it-yourself maintenance Engine coolant The coolant level is satisfactory if it is between the "FULL" and "LOW" lines on the reservoir when the engine is cold. Reservoir cap "FULL" "LOW" If the level is on or below the "LOW" line, add coolant up to the "FULL" line. (→P. 416)
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