Lexus GS450h Owner's Manual page 552

552
8-1. Specifications
Cooling system
Capacity
Coolant type
Ignition system
Spark plug
Make
Gap
NOTICE
Iridium-tipped spark plugs
■
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
GS450h_300h_OM_OM30F92E_(EE)
Gasoline engine
9.2 L (9.7qt.,
GS450h
8.1 Imp.qt.)
8.1 L (8.6 qt.,
GS300h
7.1 Imp.qt.)
Use either of the following:
• "Toyota Super Long Life Coolant"
• Similar high-quality ethylene glycol-based non-sili-
cate, non-amine, non-nitrite, and non-borate cool-
ant with long-life hybrid organic acid technology
Do not use plain water alone.
DENSO FK20HBR8
0.8 mm (0.031 in.)
Power control unit
Left-hand drive Right-hand drive
vehicles vehicles
2.1 L (2.2qt., 1.9 L (2.0qt.,
1.8 Imp.qt.) 1.7 Imp.qt.)
1.6 L (1.7 qt., 1.8 L (1.9 qt.,
1.4 Imp.qt.) 1.6 Imp.qt.)