Toyota Prius 2011 Manual page 572

6-1. Specifications
Cooling system
Capacity
Gasoline engine
With an exhaust
heat recovery sys-
tem
Without exhaust
heat recovery sys-
tem
Power control unit
Coolant type
Ignition system
Spark plug
Make DENSO
Gap
NOTICE
Iridium-tipped spark plugs
■
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.
572
7.6 qt. (7.2 L, 6.3 Imp.qt.)
6.9 qt. (6.5 L, 5.7 Imp.qt.)
2.2 qt. (2.1 L, 1.8 Imp.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 hybrid organic acid technol-
ogy
Do not use plain water alone.
SC20HR11
0.043 in. (1.1 mm)