
451
7-2. Steps to take in an emergency
LS500h_OM_(U)_1810
7
When trouble
ari
ses
and radiator core (radiator) for any
leaks.
Radiators
Cooling fan
If a large amount of coolant leaks, immedi-
ately contact your Lexus dealer.
4
The coolant level is satisfactory if it
is between the “F” and “L” lines on
the reservoir.
Reservoir
“F” line
“L” line
Coolant inlet cap
5
Add coolant if necessary.
(
Water can be used in an emergency if
coolant is unavailable.
6
Start the hybrid system and turn the
air conditioning system on to check
that the radiator cooling fan oper-
ates and to check for coolant leaks
from the radiator or hoses.
The fan operates when the air conditioning
system is turned on immediately after a
cold start. Confirm that the fan is operating
by checking the fan sound and air flow. If it
is difficult to check these, turn the air con-
ditioning system on and off repeatedly.
(The fan may not operate in freezing tem-
peratures.)
7
If the fan is not operating:
Stop the hybrid system immediately
and contact your Lexus dealer.
If the fan is operating:
Have the vehicle inspected at the
nearest Lexus dealer.
If “Hybrid System Overheated Out-
put Power Reduced” is shown on the
multi-information display
1
Stop the vehicle in a safe place.
2
Stop the hybrid system and care-
fully lift the hood.
A
B
A
B
C
D
Summary of Contents for LS500h
Page 70: ...70 1 4 Hybrid system LS500h_OM_ U _1810 tact your Lexus dealer ...
Page 106: ...106 2 1 Instrument cluster LS500h_OM_ U _1810 ...
Page 129: ...129 3 2 Opening closing and lockingthe doors and trunk LS500h_OM_ U _1810 3 Before driving ...
Page 203: ...203 4 5 Using the driving support systems LS500h_OM_ U _1810 4 Driving Certification ...
Page 209: ...209 4 5 Using the driving support systems LS500h_OM_ U _1810 4 Driving Certification ...
Page 312: ...312 4 6 Driving tips LS500h_OM_ U _1810 ...
Page 366: ...366 5 6 Using theother interior features LS500h_OM_ U _1810 ...
Page 383: ...383 6 3 Do it yourself maintenance LS500h_OM_ U _1810 6 Maintenance and care AWD models Rear ...
Page 456: ...456 7 2 Steps to take in an emergency LS500h_OM_ U _1810 ...
Page 505: ...505 LS500h_OM_ U _1810 Index What to do if Troubleshooting 506 Alphabetical Index 509 ...
Page 523: ...523 1 1 What to do if Troubleshooting LS500h_OM_ U _1810 523 Alphabetical Index ...