Lexus LS400 Owner's Manual page 241

ENGINE
− COOLING SYSTEM
Capacity
Coolant type
− FUEL
Fuel type
Octane rating
− IGNITION SYSTEM
Spark plug − Make
− Gap
− ELECTRICAL SYSTEM
Battery − Maintenance type battery
Specific gravity reading at 20_C (68_F):
Charging rates
− Non−maintenance battery
Open voltage at 20_C (68_F):
Charging rates
226
10.8 L (11.4 qt., 10.4 lmp.qt.)
Ethylene − glycol coolant (Do not use alcohol type.)
Only UNLEADED
91 (Research octane number 96) or higher
DENSO SK20R11
NGK IFR6A11
1.1 mm (0.043 in.)
1.260
1.160
1.060
Quick charge 15A max.
Slow charge 5A max.
12.7V
12.3V
11.9V
[Voltage that is checked 20 minutes after the key is removed with
all the lights turned off]
5A max.
Fully charged
Half charged
Discharged
Fully charged
Half charged
Discharged