warning light Lexus GS450h 2015 Workshop Manual

5147-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)A buzzer sounds and a warning message is shown on the multi-informa-
tion display. The following warning indicates the possibility of damage to
the vehicle that may lead to an accide
nt. Immediately stop the vehicle in a
safe place and contact your Lexus dealer.
Indicates a malfunction in: • The regenerative brake system;
• The electronically controlled brake system; or
• The electric parking brakeA buzzer also sounds.
Stop the vehicle immediately.
Warning messageDetails
Warning messageDetails
Indicates abnormal engine oil pressureThe warning light may come on if the engine oil
pressure is too low.
Indicates a malfunction in the hybrid system
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5167-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
Indicates a malfunction in the dynamic radar cruise
control with full-speed rangeDepress the brake pedal.
Indicates a malfunction in the LKA (Lane-Keeping
Assist)
Indicates a malfunction in the LED headlight system
Indicates a malfunction in the automatic headlight lev-
eling system
Warning messageDetails
(If equipped)
(If equipped)
(Flashes)
(If equipped)
(If equipped)
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5177-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
7
When trouble arises
Indicates a malfunction in the adaptive front-lighting
system
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system;or,
• The seat belt pretensioner system
Indicates a malfunction in:
•The ABS; or,
• The brake assist system
Indicates a malfunction in the brake hold system
Warning messageDetails
(If equipped)
(U.S.A.)
(Canada)
(Flashes)
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5287-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
Indicates that the hybrid
system output is limited
because the engine oil is
overheatedDrive the vehicle at a safe
speed until the warning
message disappears.
Indicates that the vehicle
is unable to drive over
65 mph (110 km/h) until
the transmission warms
up
Wait until the transmis-
sion warms up.
Indicates that remaining
fuel is approximately 2.6
gal. (10.0 L, 2.2 Imp.gal.)
or less
Refuel the vehicle.
Indicates that the power
switch is turned off or
turned to ACCESSORY
mode and the driver’s
door is opened while the
lights are turned on
Turn the lights off.
Indicates that the driver’s
door was opened with the
shift position in any posi-
tion other than P
Shift the shift position to P.
Warning messageDetailsCorrection procedure
(If equipped)
(Flashes)
(Flashes)
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5347-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)After taking the specified steps to correct the suspected problem, check
that the warning message and light go off.
Have the malfunction repaired immediately.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection procedure
Once
The electronic key
is not detected
when an attempt is
made to start the
hybrid system.Start the
hybrid sys-
tem with the
electronic
key present.
Once3
times
The electronic key
was carried out-
side the vehicle and
a door other than
the driver’s door
was opened and
closed while the
power switch was in
a mode other than
off.
Bring the
electronic
key back
into the
vehicle.
The driver’s door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was in
P and the power
switch was not
turned off.Tu r n t h e
power
switch off or
bring the
electronic
key back
into the
vehicle.
(Flashes)
(Flashes)
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5387-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
InteriorbuzzerExterior
buzzerWarning messageDetailsCorrection procedure

Po we r w a s t u r n e d
off due to the auto-
matic power off
function.
Next time
when start-
ing the
hybrid sys-
tem,
increase the
engine
speed
slightly and
maintain
that level for
approxi-
mately 5
minutes to
recharge
the 12-volt
battery.
OnceThe electronic key
has a low battery.
Replace the
electronic
key battery.
( → P. 460)
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5517-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
7
When trouble arises
■The compact spare tire
●The compact spare tire is identified by the label “TEMPORARY USE ONLY” on
the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare tire.
(→ P. 5 8 2 )
■When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning valve and
transmitter, low inflation pressure of the spare tire will not be indicated by the tire
pressure warning system. Also, if you replace the compact spare tire after the tire
pressure warning light comes on, the light remains on.
■When the compact spare tire is equipped
The vehicle becomes lower when driving with the compact spare tire compared to
when driving with standard tires.
■If you have a flat rear tire on a road covered with snow or ice
Install the compact spare tire on one of the front wheels of the vehicle. Perform the
following steps and fit tire chains to the rear tires:
Replace a front tire with the compact spare tire.
Replace the flat rear tire with the tire removed from the front of the vehicle.
Fit tire chains to the rear tires.
1
2
3
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GS450h_OM_OM30F70U_(U)
5818-1. Specifications
8
Vehicle specifications
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus dealer
for further details.
*: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N,51.0 kgf) while the hybrid system is operating.
When performing the brake pedal inspection, also be sure to check that the
brake system warning light is not illuminated when the hybrid system is operating
(If the brake system warning light is illuminated, refer to P. 503).
Differential
Oil capacity1.43 qt. (1.35 L, 1.19 Imp.qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
Brakes
Pe d a l c l e a r a n c e*4.5 in. (115 mm) Min.
Pe d a l f r e e p l a y0.04 — 0.08 in. (1.0 — 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)
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631What to do if... (Troubleshooting)
GS450h_OM_OM30F70U_(U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (→P. 1 6 7 )
●The auto power off function will be operated if the vehicle is left
in ACCESSORY or ON mode (the hybrid system is not oper-
ating) for a period of time. ( →P. 1 9 6 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(→ P. 506)
●The parking brake indicator is on
Is the parking brake released? (→ P. 211)
Depending on the situation, othe r types of warning buzzer may
also sound. ( →P. 503, 513)
The windows do not open or close by operating the power win-
dow switches
The power switch is tu
rned off automatically
A warning buzzer sounds during driving
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632What to do if... (Troubleshooting)
GS450h_OM_OM30F70U_(U)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. (→P. 8 3 )
To stop the alarm, turn the power switch to ON mode or start the
hybrid system.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display.
(→ P. 513)
●When a warning light turns on or a warning message is dis-
played, refer to P. 503, 513.
An alarm is activated
and the horn sounds
A warning buzzer sounds wh en leaving the vehicle
A warning light turns on or a warning message is displayed
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