Toyota 2008 Prius Quick Reference Manual page 492

Cooling system
Capacity
Gasoline engine
Power control unit
Coolant type
Ignition system
Spark plug
Make DENSO
NGK
Gap
NOTICE
n Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.
PRIUS_U_(L/O_0802)
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 non-
silicate, non-amine, non-nitrite, and non-borate
coolant with long-life organic acid technology
Do not use plain water alone.
SK16R11
IFR5A11
0.043 in. (1.1 mm)
6-1. Specifications
6
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