Lexus RC350 Owner's Manual page 632

632
8-2. Steps to take in an emergency
The coolant level is satisfactory if it is between the full ("FULL" or "F") and low
4
("LOW" or "L") lines on the reservoir.
Reservoir
1
"FULL" or "F"
2
"LOW" or "L"
3
Engine (RC350/RC300)

Engine (RC F)

Engine (RC200t)

Intercooler (RC200t)
