2015 Lexus GS F warning light

1252. Instrument cluster
2
Instrument cluster
GS350_200t_GS F_OM_OM30E87E_(EE)
The settings of the following items can be changed, refer to P. 628
For functions that can be enabled or disabled, the function switches between on and
off each time is pressed.
■(Lane Departure Alert with steering control) (if equipped)
(→ P. 3 1 5 )
■(Lane-Keeping Assist) (if equipped) ( →P. 3 0 5 )
■(Pre-Crash Safety sy stem) (if equipped) ( →P. 2 9 3 )
■(Adaptive Front-lighting System) (if equipped) ( →P. 2 6 1 )
■(Blind Spot Monitor) (if equipped) ( →P. 3 6 1 )
■
Select to turn the speed warning on and off, or to change the speed at which
the speed warning is displayed.
■(Road Sign Assist) (if equipped) ( →P. 3 2 4 )
■
Select to set the display mode of the clock.
■
●
Oil Maintenance (if equipped) ( →P. 4 5 6 )
●TPMS (Tire pressure warning system) (if equipped) ( →P. 4 6 8 )
Settings display

1372. Instrument cluster
2
Instrument cluster
GS350_200t_GS F_OM_OM30E87E_(EE)
The settings of the following items can be changed, refer to P. 628
For functions that can be enabled or disabled, the function switches between on and
off each time is pressed.
■(Lane Departure Alert with steering control) (if equipped)
(→ P. 3 1 5 )
■(Pre-Crash Safety system) (if equipped) ( →P. 2 9 3 )
■
Select to turn the speed warning on and off, or to change the speed at which
the speed warning is displayed.
■(Road Sign Assist) (if equipped) ( →P. 3 2 4 )
■(Blind Spot Monitor) (if equipped) ( →P. 3 6 1 )
■
• Display of the indicator can be turned on or off.
• The speed at which the indicator is displayed can be set.
Selectable speed range:
Except for United Kingdom: 50 km/h to 200 km/h (30 mph to 125 mph)
*
For United Kingdom: 50 km/h to 160 km/h (30 mph to 100 mph)*
*
: Always observe the legal speed limit when driving on public roads.
■
TPMS (Tire pressure warning system) ( →P. 4 6 8 )
■
●
Language
Select to change the language on the display.
●Units
Select to change the unit of measure
●Eco Driving Indicator Light
Select to activate/deactivate the Eco Driving Indicator Light
Settings display

2183-5. Opening, closing the windows and moon roof
GS350_200t_GS F_OM_OM30E87E_(EE)
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightlyStop the vehicle.
Press and hold the “CLOSE” switch.
*1
The moon roof will close, reopen an d pause for approximately 10 seconds.*2 Then it
will close again, tilt up and pause for approx imately 1 second. Finally, it will tilt down,
open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
●If the moon roof tilts down but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch
*1 until the moon roof moves into the tilt up position
and stops.
Release the “UP” switch once and then press and hold the “UP” switch again.
*1
The moon roof will pause for approximatel y 10 seconds in the tilt up position.*2
Then it will adjust slightly and pause for approximately 1 second. Finally, it will tilt
down, open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
*1: If the switch is released at the incorrect time, the procedure will have to be per-
formed again from the beginning.
*2: If the switch is released after the above mentioned 10 second pause, automatic operation will be disabled. In that case, pr ess and hold the “CLOSE” or “UP” switch,
and the moon roof will tilt up and pause fo r approximately 1 second. Then it will tilt
down, open and close. Check to make sure that the moon roof is completely closed
and then release the switch.
If the moon roof does not fully close even after performing the above procedure cor-
rectly, have the vehicle inspected by any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional.
■Moon roof open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the engine switch is turned off and the driver’s door is opened with the
moon roof open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: →P. 6 2 8 )
1
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3
1
2
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4

2554-2. Driving procedures
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Parking brake operation
●When the engine switch is not in IGNITION ON mode, the parking brake cannot be
released using the parking brake switch.
●When the engine switch is not in IGNITION ON mode, automatic mode (automatic
brake setting and releasing) is not available.
●If the parking brake is operated repeatedly over a short period of time, the system may
restrict operation to prevent overheating. If this happens, refrain from operating the
parking brake. Normal operation will return after about 1 minute.
●Vehicles with towing package: In situations such as when parking while towing a trailer,
the maximum amount of braking force can be used by pressing the parking brake
switch with the parking brake already set.
●Vehicles without towing package: In situations such as when parking on a steep slope*,
the maximum amount of braking force can be used by pressing the parking brake
switch with the parking brake already set.
*: Use wheel chocks when parking on a steep slope.
■Parking brake operation sound
When the parking brake operates, a motor sound (whirring sound) may be heard. This
does not indicate a malfunction.
■Parking brake indicator light
●Depending on the engine switch mode, the parking brake indicator light will come on
and stay on as described below:
IGNITION ON mode: Comes on until the parking brake is released.
Not in IGNITION ON mode: Stays on for approximately 15 seconds.
●When the engine switch is turned off with the parking brake set, the parking brake indi-
cator light will stay on for about 15 seco nds. This does not indicate a malfunction.
■When there is a malfunction in the system
Warning lights and/or warning message will turn on or flash. (→P. 514, 518)
Depending on the condition, the park ing brake indicator light may flash.
■Parking brake engaged warning buzzer
→P. 5 2 2
■Usage in winter time
→P. 3 8 2

257
4
4-2. Driving procedures
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
Brake Hold (GS350/GS200t)
Turns the brake hold system on
The brake hold standby indicator
(green) comes on. While the system is
holding the brake, the brake hold oper-
ated indicator (yellow) comes on.
■Brake hold system operating conditions
The brake hold system cannot be turn
ed on in the following conditions:
●The driver’s door is not closed.
●The driver is not wearing the seat belt.
●“EPB Activation Stopped Incompletely” or “Electronic Parking Brake Malfunction Visit
Your Dealer” is displayed on the multi-information display.
If any of the conditions above are detected when the brake hold system is enabled, the
system will turn off and the brake hold standby indicator light will go off. In addition, if any
of the conditions are detected while the sy stem is holding the brake, a warning buzzer
will sound and a message will be shown on th e multi-information display. The parking
brake will then be set automatically.
■Brake hold function
●If the brake pedal is left released for a period of about 3 minutes after the system has
started holding the brake, th e parking brake will be set automatically. In this case, a
warning buzzer sounds and a message is shown on the multi-information display.
●To turn the system off while the system is holding the brake, firmly depress the brake
pedal and press the button again.
●The brake hold function may not hold the vehicle when the vehicle is on a steep incline.
In this situation, it may be necessary for the driver to apply the brakes. A warning
buzzer will sound and the multi-information di splay will inform the driver of this situa-
tion. ( →P. 5 1 8 )
The brake hold system keeps the brake applied when the shift lever is in D, M
or N with the system on and the brake pedal has been depressed to stop the
vehicle. The system releases the brake when the accelerator pedal is
depressed with the shift lever in D or M to allow smooth start off.

2584-2. Driving procedures
GS350_200t_GS F_OM_OM30E87E_(EE)
■When the parking brake is set automatically while the system is holding the brakes
The parking brake will not be released automatically. Perform one of the following proce-
dures to release the parking brake and confirm that the parking brake indicator light
turns off. ( →P. 2 5 4 )
●With the brake pedal depressed, operate the parking brake switch.
●Fasten your seat belt, check that the shift leve r is in either D or R and slowly depress the
accelerator pedal.
■Warning message and buzzers
Warning messages and buzzers are used to in dicate a system malfunction or to inform
the driver of the need for caution. ( →P. 5 1 8 )
WA R N I N G
■When the vehicle is on a steep incline
When using the brake hold system on a steep incline exercise caution. The brake hold
function may not hold the vehicle in such a situation.
■When stopped on a slippery road
The system cannot stop the vehicle when the gripping ability of the tires has been
exceeded. Do not use the system when stopped on a slippery road.
NOTICE
■When parking the vehicle
The brake hold system is not designed for use when parking the vehicle for a long
period of time. Turning the engine switch off while the system is holding the brake may
release the brake, which would cause the vehicle to move. When operating the engine
switch, depress the brake pedal, set the parking brake and shift the shift lever to P.

2674-3. Operating the lights and wipers
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
●In the situations shown below, the system may not be able to accurately detect sur-
rounding brightness levels. This may cause the low beams to remain on or the high
beams to cause problems for pedestrians, vehicles ahead or other parties. In these
cases, manually switch between the high and low beams.
• In bad weather (rain, snow, fog, sandstorms etc.)
• The windshield is obscured by fog, mist, ice, dirt etc.
• The windshield is cracked or damaged.
• The camera sensor is deformed or dirty.
• The camera sensor temperature is extremely high.
• Surrounding brightness levels are equal to those of headlights, tail lights or fog lights.
• Vehicles ahead have headlights that are either switched off, dirty, are changing color, or have are not aimed properly.
• The vehicle is hit by water, snow, dust, etc. from a preceding vehicle.
• When driving through an area of intermittently changing brightness and darkness.
• When frequently and repeatedly driving ascending/descending roads, or roads with rough, bumpy or uneven surfaces (such as stone-paved roads, gravel tracks etc.).
• When frequently and repeatedly taking curves or driving on a winding road.
• There is a highly reflective object ahead of the vehicle, such as a sign or a mirror.
• The back of a vehicle ahead is highly reflective, such as a container on a truck.
• The vehicle’s headlights are damaged or dirty.
• The vehicle is listing or tilting, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeatedly being switched between in an abnor- mal manner.
• The driver believes that the high beam may be causing problems or distress to other
drivers or pedestrians nearby.
■Warning message
Warning messages are used to indicate a system malfunction or to inform the driver of
the need for caution. ( →P. 5 1 8 )
■Customization
Some functions can be customized. ( →P. 6 2 8 )

2724-3. Operating the lights and wipers
GS350_200t_GS F_OM_OM30E87E_(EE)
• When driving through an area of intermittently changing brightness and darkness.
• When frequently and repeatedly driving ascending/descending roads, or roads withrough, bumpy or uneven surfaces (such as stone-paved roads, gravel tracks etc.).
• When frequently and repeatedly taking curves or driving on a winding road.
• There is a highly reflective object ahead of the vehicle, such as a sign or a mirror.
• The back of a vehicle ahead is highly reflective, such as a container on a truck.
• The vehicle’s headlights are damaged or dirty.
• The vehicle is listing or tilting, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeatedly being switched between in an abnor-
mal manner.
• The driver believes that the high beam may be causing problems or distress to other drivers or pedestrians nearby.
• When going through the Straits of Dover.
■Warning message
Warning messages are used to indicate a system malfunction or to inform the driver of
the need for caution. ( →P. 5 1 8 )