spark plugs Lexus IS F 2009 Owner's Manual

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6-1. Specifications
6
Vehicle specifications
08_IS F_U_(L/O_0808)
Cooling system
Ignition system
Capacity12.6 qt. (11.9 L, 10.5 lmp.qt.)
Coolant type
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.
Spark plug
Make
GapDENSO FK20HBR11
0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.