Lexus GS460 Owner's Manual page 592

6-1. Specifications
Cooling system
GS460
Capacity
GS350
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.
592
GS_G_U (OM30C11U)
May 21, 2010 1:06 pm
12.3 qt. (11.6 L, 10.2 Imp.qt.)
9.6 qt. (9.1 L, 8.0 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.
FK20HBR11
0.043 in. (1.1 mm)