2011 Toyota Prius Owners Manual - Page 451

4 -3 . Do-it -yourse lf m a int e na nc e Do-it -yourse lf se r vic e pre c a ut ions If you perform maintenance yourself, be sure to follow the correct procedure given in these sections. Items 12 volt battery condition (→P. 448) Parts and tools • Grease • Conventional wrench (for terminal clamp bolts) • "Toyota Super Long Life Coolant" or similar high quality ethylene glycol based non-silicate, nonamine, non-nitrite and non-borate coolant with long-life hybrid organic acid technology. For the U.S.A.: "Toyota Super Long Life Coolant" is pre-mixed with 50 % coolant and 50 % deionized water. For Canada: "Toyota Super Long Life Coolant" is pre-mixed with 55 % coolant and 45 % deionized water. • Funnel (used only for adding coolant) Engine/power control unit coolant level (→P. 442) 428 PRIUS_U (OM47685U) DVD