Lexus LS400 Owner's Manual page 301

GAS STATION INFORMATION
D Fuel selection:
Select premium unleaded gasoline with an Octane Rating of 91
(Research Octane Number 96) or higher for optimum engine
performance. However, if such premium type cannot be
obtained, you may temporarily use unleaded gasoline with an
Octane Rating as low as 87 (Research Octane Number 91).
D Fuel tank capacity:
85 L (22.5 gal., 18.7 lmp.gal.)
D Engine oil:
API SH, "Energy−Conserving II" or SJ, "Energy−Conserving"
multigrade engine oil or ILSAC multigrade engine oil.
Recommended oil viscosity − SAE 5W−30 if normal
temperatures are below 38_C (100_F)
Oil capacity: L (qt., lmp.qt.)
Drain and refill
with filter 5.6 (5.9, 4.9)
without filter 5.3 (5.6, 4.7)
See page 230 for detailed information.
D Engine coolant:
Capacity: 10.8 L (11.4 qt, 10.4 lmp.qt.)
Coolant type − Ethylene − glycol coolant (Do not use alcohol
coolant.)
For checking the engine coolant, see page 233.
For changing the engine coolant, see the label on the coolant
reservoir.
D Automatic transmission:
Fluid type − Automatic transmission fluid Type T−IV or
equivalent
D Tire information:
See page 241 through 247 for detailed information.
D Tire pressure:
Tire size: P225/60R16 97V
Vehicle load up
up to occupants
Front tires . . . . . . 200 (2.0, 29) . . . . . . .
Rear tires . . . . . . . 200 (2.0, 29) . . . . . .
For sustained high speeds above 160 km/h (100 mph), in
countries where such speeds are permitted by law, add 80 kPa
(0.9 kgf/cm 2 , 0.8 bar, 12 psi) to the front tires and rear tires, but
never exceed the maximum cold tire pressure molded on the tire
sidewall.
cold tires
kPa (kgf/cm 2 or bar, psi)
Vehicle loaded up
to vehicle capacity
weight
220 (2.2, 32)
220 (2.2, 32)
LS400 (U) 98