2012 Toyota Highlander Owners Manual - Page 439
2012 Toyota Highlander Manual
Page 439 highlights
4-3. Do-it-yourself maintenance ● Oil consumption: Max. 1.1 qt./600 miles, 0.9 lmp. qt./600 miles (1.0 L per 1000 km) ● If your vehicle consume more than 1.1 qt. (1.0 L, 0.9 lmp. qt.) every 600 miles (1000 km), contact your Toyota dealer. CAUTION