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

4177-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
7
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.
Wa r n i n g m e s s a g eDetails/Actions

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)

4217-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
7
When trouble arises
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 onA buzzer also sounds.
 Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the
power switch off, and the driver’s door open)
A buzzer also sounds.
 Close the moon roof.
Indicates that the windows are not fully closed (with the
power switch off, and the driver’s door open)
A buzzer also sounds.
 Close all the windows.
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the power switch off, and the driver’s
door open)
A buzzer also sounds.
 Close all the windows and the moon roof.
Indicates a malfunction in the brake hold system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer
immediately.
Wa r n i n g m e s s a g eDetails/Actions
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4227-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
Indicates that the brake hold system cannot be turned offA buzzer also sounds.
 Depress the brake pedal.
Indicates that the brake hold system is not available
The reason the brake hold system is not available may
be displayed.
A buzzer also sounds.
 Close the driver’s door.
 Fasten the driver’s seat belt.
Indicates that the brake hold system is unable to con-
tinue brake hold function
The reason the brake hold system is not continue may
be displayed.
A buzzer also sounds.
 Depress the brake pedal.
 Close the driver’s door.
 Fasten the driver’s seat belt.
Wa r n i n g m e s s a g eDetails/Actions

4237-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
7
When trouble arises
Indicates that the vehicle is unable to drive over 65 mph
(110 km/h) until the transmission warms upA buzzer also sounds.
 Wait until the transmission warms up.
Indicates that the parking brake is set automatically while
the brake hold system is holding the brakes
A buzzer also sounds.
 Release the parking brake.
Indicates a malfunction in th e drive start control system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer
immediately.
Wa r n i n g m e s s a g eDetails/Actions

4247-2. Steps to take in an emergency
GS450h_OM_OM30E99U_(U)
Indicates a malfunction in the brake override systemA buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that engine oil level is low
This message may appear if the vehicle is stopped on a
slope. Move the vehicle to a level surface and check to
see if the message disappears.
A buzzer also sounds.
 Check the level of engine oil, and add if necessary.
Indicates that the hybrid system has overheated
This message may be disp layed when driving under
severe operating conditions. (For example, when driv-
ing up a long steep hill.)
A buzzer also sounds.
 Stop and check. ( P. 4 5 7 )
Indicates a malfunction in:
• The Automatic High Beam system (if equipped);
• The AFS (Adaptive Front-lighting System) (if equipped); or
• The LED headlight 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
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