2011 Toyota RAV4 Owners Manual - Page 387
2011 Toyota RAV4 Manual
Page 387 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.