Lexus GS450h 2016 Owner's Manual / LEXUS 2016 GS450H OWNERS MANUAL (OM30E99U)

4117-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
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When trouble arises
Indicates that the hybrid battery (traction battery) power
has dropped because a long period of time has elapsed
after shifting the shift lever to NA buzzer also sounds.
 Restart the hybrid system when starting the vehicle.
Indicates a malfunction in the hybrid system
Depending on the malfunctio n, troubleshooting meth-
ods may also be displayed.
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
Indicates that the traction battery is low
A buzzer also sounds.
 When stopping the vehicle for a long period of time,
shift the shift lever to P. The battery cannot be
charged with the shift lever in N.
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
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4127-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
Indicates that the vehicle is being driven at 3 mph (5 km/h)
or more with the parking brake still engaged.A buzzer also sounds.
 Release the parking brake.
Indicates that the parking brake is engaged with the shift
position not in P
A buzzer also sounds.
 Change the shift position to P.
Indicates a malfunction in the brake hold system
A buzzer also sounds.
 Depress the brake pedal to turn off the brake hold
system.
Have the vehicle inspected by your Lexus dealer
immediately.
Indicates that the brake hold system is turned on while on
a steep slope
A buzzer also sounds.
 Do not use only the brake hold system on steep
slopes. Be sure to also depress the brake pedal.
Indicates a malfunction in the parking brake system
A buzzer also sounds.
 Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
your Lexus dealer.
Wa r n i n g m e s s a g eDetails/Actions
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4137-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
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When trouble arises
Indicates an attempt was made to release the parking
brake without depressing the brake pedalA buzzer also sounds.
 Release the parking brake while depressing the
brake pedal.
Indicates that the shift position was changed and drive
start control was operated while depressing the acceler-
ator pedal
A buzzer also sounds.
 Momentarily release th e accelerator pedal.
Indicates an attempt was made to shift to 1st gear with
the shift position in S while on a slippery surface
The vehicle will not shift down from 2nd gear.
A buzzer also sounds.
 Drive the vehicle in 2nd gear or higher.
(If equipped)
Indicates that the LKA (Lane- Keeping Assist) system has
determined that the driver does not have their hands on
the steering wheel while the steering control function is
on
 Firmly hold the steering wheel.
Wa r n i n g m e s s a g eDetails/Actions
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4147-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
Indicates that the parking brake system is overheatingA buzzer also sounds.
 Do not use the parking brake until the message dis-
appears.
Indicates an engine malfunction
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates an engine malfunction
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or,
• The seat belt pretensioner system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Wa r n i n g m e s s a g eDetails/Actions
(U.S.A.) (Canada)
(U.S.A.) (Canada)
(U.S.A.) (Canada)

4157-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
7
When trouble arises
Indicates a malfunction in:• The ABS; or
• The brake assist system
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
Indicates that the engine coolant temperature is too high
A buzzer also sounds.
 P. 4 5 7
Indicates a malfunction in the vehicle’s charging system.
Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
Wa r n i n g m e s s a g eDetails/Actions
(U.S.A.) (Canada)

4167-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
(If equipped)
Indicates that the radar sensor is dirty or covered with
iceA buzzer also sounds.
 Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weather
A buzzer also sounds.
 Use the radar cruise control system when it
becomes available again.
(If equipped)
Indicates that the radar crui se control system brake con-
trol function is temporarily unavailable
 Depress the brake.
Indicates a malfunction in the smart access system with
push-button start
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
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4177-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
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When trouble arises
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with iceA buzzer also sounds.
 Clean the sensor and its surrounding area on the
bumper.
Indicates a malfunction in th e cruise control system or
dynamic radar cruise control system (if equipped)
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in th e dynamic radar cruise con-
trol with full-speed range Depress the brake pedal.
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist) system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Wa r n i n g m e s s a g eDetails/Actions

4187-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
(If equipped)
The operation conditions of the camera sensor (temper-
ature, etc.) are not met.
 When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys-
tems will become available.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
•Automatic High Beam
(If equipped)
Indicates that the system is temporarily unavailable due
to a malfunction in a sensor other than the camera sen-
sor
A buzzer also sounds.
 Turn the LKA (Lane-Keeping Assist) system off, wait
for a little while, and then turn the LKA (Lane-Keep-
ing Assist) system back on.
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present on
the windshield in front of the camera sensor.
The following systems will be temporarily unusable.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
•Automatic High Beam
 Turn the system off, remove any dirt, rain, condensa-
tion, ice, snow, etc., from the windshield, and then
turn the system back on.
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Wa r n i n g m e s s a g eDetails/Actions
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4197-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
7
When trouble arises
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
systemA buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates abnormal engine oil pressure
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
(If equipped)
Indicates a malfunction in the VGRS (Variable Gear
Ratio Steering)
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
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4207-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
(If equipped)
Indicates a malfunction in the DRS (Dynamic Rear
Steering) A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in th e electronically controlled
brake system A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive in
this condition is dangerous.
Indicates an attempt was made to engage the parking
brake while driving
A buzzer also sounds.
 Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
your Lexus dealer.
Indicates a malfunction in the parking brake system
A buzzer also sounds.
 Press the parking brake switch. If the warning mes-
sage is still displayed, have the vehicle inspected by
your Lexus dealer.
(If equipped)
Indicates that LKA (Lane-Ke eping Assist) system cannot
be used due to the vehicle speed being too high
 Slow down.
Wa r n i n g m e s s a g eDetails/Actions
(U.S.A.) (Canada)