Lexus LS 600h L 2015 Owner's Manual page 533

The coolant level is satisfactory
4
if it is between the "FULL" and
"LOW" lines on the reservoir.
Reservoir
1
"FULL"
2
"LOW"
3
Add coolant if necessary.
5
(P. 440)
Water can be used in an emer-
gency if coolant is unavailable.
LS600hL_U(OM50E41U)
7-2. Steps to take in an emergency
531
7