brake Lexus GS350 2020 Manual Online

4557-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
7
When trouble arises
(AWD models only)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
 Have the vehicle inspected by 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.
(If equipped)
Indicates a malfunction in the DRS (Dynamic Rear
Steering) A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(GS350 only)
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.
Warning messageDetails/Actions

4567-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
Indicates an attempt was made to engage the parking
brake while drivingA 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.
Warning messageDetails/Actions
(U.S.A.) (Canada)

4577-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
7
When trouble arises
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned on A buzzer also sounds.
 Turn the lights off.
Indicates that the moon roof is not fully closed (with the
engine 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
engine switch off, and the driver’s door open)
A buzzer also sounds.
 Close all the windows.
Indicates that the windows and the moon roof are not
fully closed (with the engine 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 inspecte d by your Lexus dealer
immediately.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)
(Flashes)

4587-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(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.
Warning messageDetails/Actions

4597-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
7
When trouble arises
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.
(AWD models only)
Indicates the AWD sy stem has overheated
A buzzer also sounds.
 Reduce the vehicle speed or stop the vehicle in a
safe place.
(AWD models only)
Indicates the AWD sy stem has overheated
A buzzer also sounds.
 Reduce the vehicle speed or stop the vehicle in a
safe place.
(GS F only)
Indicates a malfunction in the TVD (Torque Vectoring
Differential) system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(Flashes)
(Flashes)

4607-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
(GS F only)
Indicates that the TVD (Torque Vectoring Differential)
system has overheatedThis message may be disp layed when driving under
extremely high load conditions such as the following:
• Continuously driving at high speeds or through
sharp turns
• If either right or left rear tire loses traction and spins
continuously
A buzzer also sounds.
 Drive the vehicle for a while, while avoiding
extremely high load conditions.
Indicates a malfunction in th e Drive-Start Control system
A buzzer also sounds.
 Have the vehicle inspecte d by your Lexus dealer
immediately.
Indicates a malfunction in the brake override system A buzzer also sounds.
 Have the vehicle inspecte d by your Lexus dealer
immediately.
Warning messageDetails/Actions

4617-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
7
When trouble arises
Indicates that engine oil level is low
This message may ap pear 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 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.
(GS F for Canada only)
Indicates that the brake pads are worn out
A buzzer also sounds
 Have the vehicle inspected visually by your Lexus
dealer.
Warning messageDetails/Actions

4627-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
(GS F for U.S.A. only)
Indicates that the brake pads are worn outA buzzer also sounds
 Have the vehicle inspected visually by your Lexus
dealer.
Indicates that the accelerator and brake pedals are
being depressed simultaneously, and the brake override
system is operating.
 Release the accelerator pedal and depress the
brake pedal. ( P. 189)
Indicates that the tire in flation pressure is low
 Check the tire inflation pressure, and adjust to the
appropriate level.
Warning messageDetails/Actions
(Flashes)

4657-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
7
When trouble arises
Warning messageDetails/Actions
(If equipped)
Indicates that the Automati c High Beam switch was
pressed while the low beams were on
 Turn the high beam headlights on before pressing
the Automatic High Beam switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision braking and pre-
collision brake assist are stopped (The pre-collision
warning function will be operational)
 Turn the VSC on. ( P. 300)

4707-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
Con-
tinuous
• An attempt was made to lock thedoors using the sm art access sys-
tem with push-button start while
the electronic key was still inside
the vehicle.
• An attempt was made to lock either front door by opening a
door and putting the inside lock
button into the lock position, then
closing the door with the elec-
tronic key still inside the vehicle.
 Retrieve the electronic key
from the vehicle and lock the
doors again.
Once
• When the doors were unlocked
with the mechanical key and then
the engine swit ch was pressed,
the electronic key could not be
detected in the vehicle.
• The electronic key could not be
detected in the vehicle even after
the engine switch was pressed
two consecutive times.
 Touch the electronic key to the
engine switch while depressing
the brake pedal.
Once
An attempt was made to start the
engine with the shift lever in an
incorrect position.
Shift the shift lever to P and start
the engine.

Power was turned off due to the
automatic power off function.
Next time when starting the
engine, increase the engine
speed slightly and maintain that
level for approximately 5 min-
utes to recharge the battery.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)