6628-1. Specifications
PRIUS_OM_OM47F32E_(EE)
*: The fluid capacity is the quantity of reference. 
If replacement is necessary, contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.
Cooling system
Capacity*
Gasoline 
engine
Without exhaust heat recirculator system 
5.6 L (5.9 qt., 4.9 Imp.qt.)
With exhaust heat recirculator system
6.2 L (6.6 qt., 5.5 Imp.qt.)
Power  
control unit1.4 L (1.5 qt., 1.2 Imp.qt.)
Coolant type
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 technology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO FC16HR-CY9
Gap0.9 mm (0.035 in.)
NOTICE
■ Iridium-tipped spark plugs 
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.