steering Lexus GS450h 2014 Owners Manual

7617-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
7
When trouble arises
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
collision braking function
is operatingAt the same time,
will appear
on the head-up dis-
play.
Slow the vehicle by
applying the brakes.
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.
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 dis-
play (part of the image
flashes).
Check around the vehi-
cle and back to inside of
the lane markings.
Warning messageDetailsCorrection procedure
(Flashes
rapidly)
(If equipped)
(If equipped)
(If equipped)
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7627-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
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.
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.
Indicates that the hybrid
system has overheatedThis message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.)
Stop and check.
(→ P. 800)
Indicates that the hybrid
system output is limited
because the engine oil is
overheatedDrive the vehicle at a safe
speed until the warning
message disappears.
Warning messageDetailsCorrection procedure
(If equipped)
(If equipped)
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7647-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
■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
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7737-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
7
When trouble arises
InteriorbuzzerExterior
buzzerWarning messageDetailsCorrection procedure
Once
The driver’s door
was opened and
closed with the
power switch
turned off and then
the power switch
was put in ACCES-
SORY mode twice
without the hybrid
system being
started.
Press the
power
switch while
depressing
the brake
pedal.
During an hybrid
system starting pro-
cedure in the event
that the electronic
key was not func-
tioning properly
( → P. 7 9 4 ) , t h e
power switch was
touched with the
electronic key.
Press the
power
switch
within 10
seconds of
the buzzer
sounding.
Once
The steering lock
could not be
released within 3
seconds of the
power switch being
pressed.
Press the
power
switch while
depressing
the brake
pedal and
moving the
steering
wheel left
and right.
Once
The power switch
has been turned off
with the shift lever
in a position other
than P or N.
Shift the
shift lever to
P.
(Flashes)
(Flashes)
(Flashes)
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7867-2. Steps to take in an emergency
GS450h_OM_OM30D52U_(U)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
• ABS & Brake assist
•VSC
•TRAC
•Cruise control
• Dynamic radar cruise control (if equipped)
• PCS (if equipped)
•EPS • AFS (if equipped)
•AVS
• LKA (Lane-Keeping Assist)
(if equipped)
• Rear view monitor system
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
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788
GS450h_OM_OM30D52U_(U)
7-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (→P. 7 9 4 )
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( →P. 8 1 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctioning due to an electrical problem
such as electronic key battery depletion or a blown fuse. However,
depending on the type of malfunction, an interim measure is available
to start the hybrid system. ( →P. 7 8 9 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( →P. 7 9 6 )
●The 12-volt battery terminal connections may be loose or corroded.
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perform the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( →P. 1 9 3 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
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GS450h_OM_OM30D52U_(U)
8158-1. Specifications
8
Vehicle specifications
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus dealer
for further details.
*: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N,51.0 kgf) while the hybrid system is operating.
When performing the brake pedal inspection, also be sure to check that the
brake system warning light is not illuminated when the hybrid system is operating
(If the brake system warning light is illuminated, refer to P. 737).
Differential
Oil capacity1.43 qt. (1.35 L, 1.19 Imp.qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
Brakes
Pe d a l c l e a r a n c e*4.5 in. (115 mm) Min.
Pe d a l f r e e p l a y0.04 — 0.08 in. (1.0 — 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)
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828
GS450h_OM_OM30D52U_(U)
8-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of hybrid transmission,
power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty 12-volt battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
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864What to do if... (Troubleshooting)
GS450h_OM_OM30D52U_(U)
●Did you press the power switch while firmly depressing the
brake pedal? (→P. 193)
●Is the shift lever in P? ( →P. 1 9 6 )
●Is the electronic key anywhere detectable inside the vehicle?
(→ P. 1 2 6 )
●Is the steering wheel unlocked? ( →P. 197)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( →P. 7 9 4 )
●Is the 12-volt battery discharged? ( →P. 7 9 6 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the power switch in ON mode ( →P. 7 9 0 )
●It is locked automatically to prevent theft of the vehicle.
(→ P. 1 9 6 )
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped
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869Alphabetical index
GS450h_OM_OM30D52U_(U)
Approach warningDynamic radar cruise control......246
Dynamic radar cruise control with full-speed range .................... 262
Armrest .................................................... 620
Ashtrays....................................................... 611
Assist grips .............................................. 625
Audio input................................................521
Audio system............................................. 411 Audio input............................................. 521
AUX port/USB port...........................521, 501, 511
Bluetooth
® audio.............................. 489
CD/DVD player ................................ 457
CD/DVD player information ...... 477
DVD video ........................................... 465
iPod .......................................................... 509
MP3/WMA disc .............................. 459
Optimal use ........................................... 519
Portable music player ....................... 521
Radio ........................................................434
Rear seat audio controls ................523
Steering wheel audio switch ........ 527
USB memory ...................................... 499
Automatic headlight leveling system .................................................... 220
Automatic light control system......... 217
AUX port...................................................521
Auxiliary boxes ...................................... 606
AVS (Adaptive Variable Suspension system)..........................309 Back-up lights
Replacing light bulbs ........................722
Wattage ...................................................817
Battery (12-volt battery) .....................673 If the 12-volt battery is
discharged......................................... 796
Preparing and checking before
winter.................................................... 342
Warning light ....................................... 738
Battery (traction battery) ...................... 76
Blind Spot Monitor (BSM) ................324
Bluetooth®
Audio system .......................................489
Hands-free system (for cellular phone) .......................530
Brake Brake Hold ............................................. 214
Fluid ............................................................ 671
Parking brake ..........................................211
Regenerative braking ..........................74
Warning light ........................... 737, 740
Warning message..............................747
Brake assist ............................................. 308
Brake Hold................................................ 214
Break-in tips ............................................. 177
Brightness control Instrument panel light control ........ 93
BSM (Blind Spot Monitor) ................324 Blind Spot Monitor function......... 328
Rear Cross Traffic Alert function.................................................. 331
B
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