2009 Lexus GS450h cooling

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Page 28 of 622

Lexus GS450h 2009  Owners Manual 27
1-1. Hybrid system
1
Before driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■Sounds and vibrations specific to a hybrid vehicle
There may be no engine sounds or vibration even though the vehic

Page 30 of 622

Lexus GS450h 2009  Owners Manual 29
1-1. Hybrid system
1
Before driving
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
■Hybrid battery air vent
Hybrid battery air vent
There is an air intake vent on the
package tray for the purpose of

Page 435 of 622

Lexus GS450h 2009  Owners Manual 434
4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
CAUTION
The engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electr

Page 439 of 622

Lexus GS450h 2009  Owners Manual 438
4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Engine compartment
■12 volt battery
→P.  4 4 7
Engine oil level dipstick
(→P.  4 4 0 )
Engine oil filler cap (→P.

Page 445 of 622

Lexus GS450h 2009  Owners Manual 444
4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
CoolantThe coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir when the hy

Page 446 of 622

Lexus GS450h 2009  Owners Manual 445
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
Radiator and condenserCheck the radiator and condenser and clear any foreign objects. 
If either o

Page 481 of 622

Lexus GS450h 2009  Owners Manual 480
4-3. Do-it-yourself maintenance
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
FuseAmpereCircuit
23A/F15Fuel system
24INV W/P10Hybrid system
25IGCT No.120Hybrid system, IGCT No.2, 
IGCT No.3
26FR FOG1

Page 482 of 622

Lexus GS450h 2009  Owners Manual 481
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U (OM30B44U)
April 27, 2009 10:09 am
FuseAmpereCircuit
39RR J/B80STOP LP R, STOP LP L, RR TAIL, 
PSB, RR FOG, RR-IG1
40OIL PMP60Transmi
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