Lexus LS600hl - Cooling System; Electrical System; Ignition System

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8-1. Specifications
8
Vehicle specifications
LS600hL_U(OM50D26U)
Cooling system
Capacity
Gasoline
engine
11.7 qt. (11.1 L, 9.8 Imp. qt.)
Power
control unit
2.7 qt. (2.6 L, 2.3 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 tech-
nology
Do not use plain water alone.
Ignition system
Spark plug
Make DENSO FK20HBR11
Gap 0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage at 68F
(20C):
12.5 V or higher Fully charged
11.0 
12.4 V Half charged
10.9 V or lower Discharged
(Voltage is checked 20 minutes after the hybrid sys-
tem and all lights are turned off.)
Charging rates 5 A max.