2008 Toyota Prius Owners Manual - Page 492

6-1. Specifications Cooling system Capacity Gasoline engine Power control unit 9.0 qt. (8.6 L, 7.5 lmp.qt.) 2.9 qt. (2.7 L, 2.4 lmp.qt.) Use either of the following: • "Toyota Super Long Life Coolant" • Similar high-quality ethylene glycol-based nonsilicate, non-amine, non-nitrite, and non-borate coolant with long-life organic acid technology Do not use plain water alone. Coolant type Ignition system Spark plug Make Gap DENSO NGK SK16R11 IFR5A11 0.043 in. (1.1 mm) NOTICE n Iridium-tipped spark plugs Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine. 6 Vehicle specifications 467 PRIUS_U_(L/O_0802)