Lexus UX 250h 2020 Owner's Manual page 413

and radiator core (radiator) for any
leaks.
Radiator
A
Cooling fans
B
If a large amount of coolant leaks, immedi-
ately contact your Lexus dealer.
4 The coolant level is satisfactory if it
is between the "MAX" and "MIN"
lines on the reservoir.
Reservoir
A
"MAX" line
B
"MIN" line
C
5
Add coolant if necessary.
Water can be used in an emergency if
7-2. Steps to take in an emergency
coolant is unavailable.
6
Start the hybrid system and turn the
air conditioning system on to check
that the radiator cooling fans oper-
ate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning
system is turned on immediately after a
cold start. Confirm that the fans are oper-
ating by checking the fan sound and air
flow. If it is difficult to check these, turn the
air conditioning system on and off repeat-
edly.
(The fans may not operate in freezing tem-
peratures.)
7
If the fans are not operating:
Stop the hybrid system immediately
and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the
nearest Lexus dealer.
8
Check if "Engine Coolant Temp
High Stop in a Safe Place See
Owner's Manual" is shown on the
multi-information display.
If the message does not disappear:
Stop the hybrid system and contact
your Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the
nearest Lexus dealer.
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