IS350 - Page 369

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8-1. Specifications

8

Vehi

cle

 spec

ifi

ca

tions

cold startability. Oils with a lower 
value before the W allow for easier 
starting of the engine in cold 
weather.

• The 30 in 5W-30 indicates the vis-

cosity characteristic of the oil when 
the oil is at high temperature. An oil 
with a higher viscosity (one with a 
higher value) may be better suited if 
the vehicle is operated at high 
speeds, or under extreme load con-
ditions.

How to read oil container label:

The International Lubricant Specifica-
tion Advisory Committee (ILSAC) 
Certification Mark is added to some oil 
containers to help you select the oil you 
should use.

*

: The fluid capacity is a reference quantity.

If replacement is necessary, contact your Lexus dealer.

Cooling system

Capacity*

IS350 
AWD/IS350
/IS300 AWD

9.8 qt. (9.3 L, 8.2 Imp. qt.)

IS300



Engine

9.1 qt. (8.6 L, 7.6 Imp. qt.)



Intercooler

3.0 qt. (2.8 L, 2.5 Imp. qt.)

IS500

12.0 qt. (11.4 L, 10.0 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 technology

Do not use plain water alone.