Lexus RX350 2023 Manual page 527

Cooling system
*
Capacity
Coolant type
*
: The coolant capacity is a reference quantity.
If replacement is necessary, contact your Lexus dealer.
Ignition system (spark plug)
Make
Gap
NOTICE
Iridium-tipped spark plugs
■
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Gasoline engine

9.7 qt. (9.2 L, 8.1 Imp. qt.)
Intercooler

3.0 qt. (2.8 L, 2.5 Imp. qt.)
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.
NGK DILZKAR8E7H
0.03 in. (0.7 mm)
527
8-1. Specifications
8