2015 Lexus GS F turn signal

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Page 221 of 668

Lexus GS F 2015 Owners Manuals 221
4Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
4-1. Before drivingDriving the vehicle ..................... 222
Cargo and luggage ...................230
Trailer towing (vehicles without towing package)

Page 235 of 668

Lexus GS F 2015 Owners Manuals 2354-1. Before driving
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Tire information
●Increase the tire inflation pressure to 20.0 kPa (0.2 kgf/cm2 or bar, 3 psi) greater than
the recommended value

2354-1. Before driving
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Tire information
●Increase the tire inflation pressure to 20.0 kPa (0.2 kgf/cm2 or bar, 3 psi) greater than
the recommended value when towing. ( →P. 6 2 3 )
●Increase the air pressure of the trailer tires in accordance with the total trailer weight
and according to the values recommended by the manufacturer of your trailer.
■Trailer lights
●Please consult at any authorized dealer or repairer, or another duly qualified and
equipped professional when in stalling trailer lights, as incorrect installation may cause
damage to the vehicle’s lights. Please take care to comply with your state’s laws when
installing trailer lights.
●Check that the turn signal lights and stoplights are operating correctly every time you
hitch up the trailer. Directly wiring up to your vehicle may damage the electrical system
and stop the lights from functioning correctly.
■Break-in schedule
Lexus recommends that vehicles fitted with new power train components should not be
used for towing trailers for the first 800 km (500 miles).
■Safety checks before towing
●Check that the maximum load limit for the towing hitch/bracket and hitch ball is not
exceeded. Bear in mind that the coupling weight of the trailer will add to the load
exerted on the vehicle. Also make sure that the total load exerted on the vehicle is
within the range of the weight limits. ( →P. 2 3 3 )
●Ensure that the trailer load is secure.
●Supplementary outside rear view mirrors shou ld be added to the vehicle if the traffic
behind cannot be clearly seen with standa rd mirrors. Adjust the extending arms of
these mirrors on both sides of the vehicle so that they always provide maximum visibility
of the road behind.
■Maintenance
●Maintenance must be performed more frequently when using the vehicle for towing
due to the greater weight burden placed on the vehicle compared to normal driving.
●Retighten all bolts securing the hitching ball and bracket after towing for approximately
1000 km (600 miles).
NOTICE
■When the rear bumper strengthening material is aluminum
Ensure the steel bracket part does not come directly in contact with that area.
When steel and aluminum come into contact, there is a reaction similar to corrosion,
which will weaken the section concerned and may result in damage. Apply a rust inhib-
itor to parts that will come in co ntact when attaching a steel bracket.

Page 253 of 668

Lexus GS F 2015 Owners Manuals 253
4
4-2. Driving procedures
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
Turn signal lever
The lever will return to its original position immediately after operation.
Right turn
Lane change to the right

Page 266 of 668

Lexus GS F 2015 Owners Manuals 2664-3. Operating the lights and wipers
GS350_200t_GS F_OM_OM30E87E_(EE)
■Conditions in which the light distribution control of the headlights changes automati-
cally
●When all of the following co

2664-3. Operating the lights and wipers
GS350_200t_GS F_OM_OM30E87E_(EE)
■Conditions in which the light distribution control of the headlights changes automati-
cally
●When all of the following conditions are met, the high beams will be turned on automat-
ically and the system will operate:
• The vehicle speed is approximately 60 km/h (37 mph) or more.*
*: The area in the direction that the vehicle is turning will be illuminated more brightly
than other areas while driving on a curve.
●When all of the following conditions are met, the variable high beams will turn on and
the distance that the low beams are projecte d will be adjusted automatically, depending
on the location of vehicles ahead:
• The vehicle speed is approximately 60 km/h (37 mph) or more.
• The area ahead of the vehicle is dark.
• There are vehicles ahead with headlights or tail lights turned on.
●If any of the following conditions is met, the high beams or variable high beams will be
changed to the low beams automatically:
• The vehicle speed is below approximately 60 km/h (37 mph).
• The area ahead of the vehicle is not dark.
• There are many vehicles ahead.
• Vehicles ahead are moving quickly and the high beams may blind the drivers of the other vehicles.
■Camera sensor detection information
●The high beams may not be automatically ch anged to the variable high beams in the
following situations:
• When vehicles ahead suddenly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead are hidden from sight due to repeated curves, road dividers or
roadside trees
• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead have no lights
●The high beams may be changed to the variab le high beams if a vehicle ahead that is
using fog lights without its headlights turned on is detected.
●House lights, street lights, traffic signals, and illuminated billboards or signs may cause
the high beams to change to the variable high beams, cause the high beams not to
change to the variable high beams, or change the area that is not illuminated.
●The following factors may affect the amount of time taken to turn the high beam on or
off, or the speed by which the areas not illuminated change:
• The brightness of headlights, fog lights, and tail lights of vehicles ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights on one side
• When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the road surface etc.)
• The number of passengers and amount of luggage
●The light distribution control of th e headlights may change unexpectedly.
●Bicycles or similar objects may not be detected.

Page 271 of 668

Lexus GS F 2015 Owners Manuals 2714-3. Operating the lights and wipers
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■High beam automatic turning on or off conditions
●When all of the following conditions are fulfilled, the high b

2714-3. Operating the lights and wipers
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■High beam automatic turning on or off conditions
●When all of the following conditions are fulfilled, the high beam will be automatically
turned on (after approximately 1 second):
• Vehicle speed is above approximately 40 km/h (25 mph).
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.
●If any of the following conditions are fulfilled, the high beam will be automatically turned
off:
• Vehicle speed drops below approximately 30 km/h (19 mph).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have headlight s or tail lights turned on.
• There are many streetlights on the road ahead.
■Camera sensor detection information
●The high beam may not be automatically turned off in the following situations:
• When oncoming vehicles suddenly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead are hidden from sight due to repeated curves, road dividers or roadside trees
• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead have no lights
●The high beam may be turned off if a vehicl e ahead that is using fog lights without using
the headlights is detected.
●House lights, street lights, traffic signals, and illuminated billboards or signs may cause
the high beam to switch to the low beams, or the low beams to remain on.
●The following factors may affect the amount of time taken to turn the high beam on or
off:
• The brightness of headlights, fog li ghts, and tail lights of vehicles ahead
• The movement and direction of vehicles ahead
• When vehicle ahead only has operational lights on one side
• When vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the road surface etc.)
• The number of passengers and amount of luggage
●The high beam may be turned on or off when the driver does not expect it.
●Bicycles or similar objects may not be detected.
●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 inside rear view mirror or camera sensor is deformed or dirty.
• The camera sensor temperature is extremely high.
• Surrounding brightness levels are equal to th ose 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.

Page 311 of 668

Lexus GS F 2015 Owners Manuals 3114-5. Using the driving support systems
4
Driving
GS350_200t_GS F_OM_OM30E87E_(EE)
■Operation conditions of each function
●Lane departure alert function
This function operates when all of the fo

Page 312 of 668

Lexus GS F 2015 Owners Manuals 3124-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
●Lane centering function
This function operates when all of the following conditions are met.
• LKA is turned on.
• Set

3124-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
●Lane centering function
This function operates when all of the following conditions are met.
• LKA is turned on.
• Setting for “Steering Assist” and “Lane Center” in of the multi-information
display are set to “On”. ( →P. 1 2 1 )
•System recognizes wh ite (yellow) lines.
• Dynamic radar cruise control with full-speed range is operating.
• Width of traffic lane is approximately 2.5 to 4.1 m (8.2 to 13.5 ft.).
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more
than approximately 200 m (656 ft.).
• No system malfunctions are detected. ( →P. 3 1 3 )
• Vehicle does not accelerate or decelerate by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for changing lanes.
• ABS, VSC, TRC and PCS (Pre-Crash Safety system) are not operating.
• TRC or VSC is not turned off.
• Hands off steering wheel alert ( →P. 312) is not displayed.
• Lane departure control function is not operating.
■Temporary cancellation of functions
When operation conditions are no longer met, a function may be temporarily canceled.
However, when the operation conditions are met again, operation of the function is auto-
matically restored. ( →P. 3 1 1 )
■Lane departure control function/lane centering function
Depending on the vehicle speed, lane departure situation, road conditions, etc., the
operation of the functions may not be reco gnized or the functions may not operate.
■Lane departure alert function
The warning buzzer may be difficult to hear due to external noise, audio playback, etc.
Also, it may be difficult to feel steering wheel vibrations due to the road conditions, etc.
■Hands off steering wheel alert
When the system determines that the driver has removed their hands from the steering
wheel while the lane departure control function or lane centering function is operating, a
warning message is displayed on the multi-information display.
If the driver continues to keep their hands off of the steering wheel, the buzzer sounds, a
warning message is displayed and the function is temporarily canceled. This alert also
operates in the same way when the vehicle is driven with the steering wheel lightly
gripped. However, depending on the road conditions, etc., the function may not cancel.
■White (yellow) lines are only on one side of road
The LKA system will not operate for the side on which white (yellow) lines could not be
recognized.

Page 320 of 668

Lexus GS F 2015 Owners Manuals 3204-5. Using the driving support systems
GS350_200t_GS F_OM_OM30E87E_(EE)
■Operation conditions of each function
●Lane departure alert function
This function operates when all of the following co

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