2014 Lexus GS250 lane assist

341
4
4-5. Using the driving support systems
Driving
GS350_250_OM_OM30E16E_(EE)
BSM (Blind Spot Monitor)∗
The Blind Spot Monitor is a system that has 2 functions;
●The Blind Spot Monitor function
Assists the driver in making the decision when changing lanes
●The Rear Crossing Traffic Alert function (if equipped)
Assists the driver when backing up
These functions use same sensors.
∗
: If equipped
Summary of the Blind Spot Monitor
GS350_250_OM_OM30E16E_(EE).book Page 341 Tuesday, July 8, 201 4 7:11 PM

3584-6. Driving tips
GS350_250_OM_OM30E16E_(EE)
CAUTION
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of vehicle control and cause death or serious
injury.
●Use tires of the specified size.
●Maintain the recommended level of air pressure.
●Do not drive at speeds in excess of the speed limit or the speed limit specified for
the snow tires being used.
●Use snow tires on all, not just some wheels.
●Do not use LKA (Lane-Keeping Assist) system.
■Driving with tire chains (vehicles with front and rear tires of the same size)
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury.
●Do not drive in excess of the speed limit specified for the tire chains being used,
or 50 km/h (30 mph), whichever is lower.
●Avoid driving on bumpy road surfaces or over potholes.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that causes sudden engine braking.
●Slow down sufficiently before entering a curve to ensure that vehicle control is
maintained.
●Do not use LKA (Lane-Keeping Assist) system.
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4436-1. Maintenance and care
6
Maintenance and care
GS350_250_OM_OM30E16E_(EE)
NOTICE
■When cleaning the inside of the windshield (vehicles with LKA [Lane-Keeping
Assist])
Be careful not to touch the camera sensor (→P. 3 0 5 ) .
If the camera is accidentally scratched or hit, LKA may not operate properly or
may cause a malfunction.
■Cleaning the inside of the rear window
●Do not use glass cleaner to clean the rear window, as this may cause damage to
the rear window defogger heater wires or antenna. Use a cloth dampened with
lukewarm water to gently wipe the window clean. Wipe the window in strokes
running parallel to the heater wires or antenna.
●Be careful not to scratch or damage the heater wires or antenna.
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5046-3. Do-it-yourself maintenance
GS350_250_OM_OM30E16E_(EE)
■Left side instrument panel
XLeft-hand drive vehicles
FuseAmpereCircuit
1STOP7. 5Stop lights, high mounted stoplight
2P/ W- B5Power window master switch
3P/ S E AT 1 F/ L30Po w e r s e a t s
4D/L NO.125Power door lock system
5NV-IR10No circuit
6FL S/HTR10Seat heaters/ventilators
7WIPER30Windshield wipers
8WIPER-IG5Windshield wipers
9LH-IG10
Seat belts, body ECU, AFS, overhead mod-
ule, raindrop sensor, inside rear view mirror,
lane camera sensor (LKA), head-up display,
shift lock system, Lexus parking assist-sensor,
front left-hand door ECU, driver monitor sys-
tem, Remote Touch screen, electric tilt and
telescopic steering column, power seats,
moon roof, Lexus parking assist-sensor
switch, Blind Spot Monitor buzzer
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5557-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
(If equipped)
Indicates a malfunction in the Lexus parking-assist
sensorAll assist-sensors flash.
Indicates a malfunction in the dynamic radar cruise
control system (if equipped) or the cruise control sys-
temPress the “ON-OFF” button once to deactivate the
system, and then press the button again to reacti-
vate the system.
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist)
(If equipped)
Indicates a malfunction in the LED headlight system
Wa r n i n g m e s s a g eDetails
(Flashes)
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5637-2. Steps to take in an emergency
7
When trouble arises
GS350_250_OM_OM30E16E_(EE)
(If equipped)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in vehicle-to-vehi-
cle distance mode)At the same time,
will appear on the
head-up display (the
image flashes).
Slow the vehicle by
applying the brakes.
(If equipped)
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
crash braking function is
operatingAt the same time,
will appear
on the head-up display.
Slow the vehicle by
applying the brakes.
(If equipped)
Indicates that the LKA
(Lane-Keeping Assist) is
suspended
•The camera sensor temperature is higher
than the operation tem-
perature range.
•The power steering system operation is
restricted.
Restart the LKA after
driving for a while.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes
rapidly)
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5647-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
(If equipped)
Alerts the driver that the
vehicle is out of the lanes
(while the LKA [Lane-
Keeping Assist] system is
operating)The warning buzzer
sounds continuously.
The lane markings and/
or the steering wheel
marking flash.
At the same time,
will appear
on the head-up display
(part of the image
flashes).
Check around the vehi-
cle and back to inside of
the lane markings.
(If equipped)
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while the
lane keeping assist func-
tion is operating) The warning buzzer
sounds twice.
Grip the steering wheel
firmly.
(If equipped)
Indicates that the Blind
Spot Monitor sensors or
the surrounding area on
the bumper is dirty or
covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Wa r n i n g m e s s a g eDetailsCorrection procedure
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5667-2. Steps to take in an emergency
GS350_250_OM_OM30E16E_(EE)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if vehicle-to-
vehicle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
■The LKA (Lane-Keeping Assist) lane departure warning function
In the following cases, the warning message will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LKA system
functions
●When the lane lines cannot be recognized
●When the steering wheel is turned as far as necessary to cause the vehicle to
change lanes
■Open door warning message
The open door warning message continues to display until a door or the trunk is fully
closed, even if the engine switch is turned off. However, approximately 20 minutes
after a door or the trunk is not fully closed, the battery-saving function operates and
the display turns off even though a door or the trunk is not fully closed.
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