2013 Lexus GS300h lane assist

8567-2. Steps to take in an emergency
GS450h_300h_OM_OM30D53E_(EE)
(If equipped)
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while
the lane keeping assist
function 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.
Indicates that the
hybrid system has
overheated
This message may be
displayed when driv-
ing under severe
operating condi-
tions. (For example,
when driving up a
long steep hill.)
Stop and check.
(P. 917)
Indicates that the
hybrid system output is
limited because the
engine oil is over-
heatedDrive the vehicle at a
safe speed until the
warning message dis-
appears.
Wa r n i n g m e s s a g eDetailsCorrection procedure

8587-2. Steps to take in an emergency
GS450h_300h_OM_OM30D53E_(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 sys-
tem 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

8837-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30D53E_(EE)
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
operations 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
•TRC
• Cruise control (if equipped)
• Dynamic radar cruise control
(if equipped)
• PCS (if equipped)
•EPS
• AFS (if equipped)
• LDH (if equipped)• DRS (if equipped)
• AVS (if equipped)
• LKA (Lane-Keeping Assist)
(if equipped)
• VGRS (if equipped)
• Lexus parking assist monitor
(if equipped)
• Lexus parking assist-sensor
(if equipped)
• Navigation system (if equipped)

966Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
DAB (Digital Audio Broadcast)532
Daytime running light system ..275
Defogger
Front windshield ...................485
Outside rear view mirrors .....501
Rear window.........................501
Differential ................................935
Digital Audio Broadcast (DAB)532
Dimensions ................................926
Display
Dynamic radar cruise control .....
302
Dynamic radar cruise control
with full-speed range..........319
Lexus night view ..................431
LKA (Lane-Keeping Assist).342
Multi-information display ....114
Remote Touch screen ...........445
Trip information ...................115
Warning message..................839
Do-it-yourself maintenance .......731
Door courtesy lights
Location ................................684
Wattage .................................940
Door lock
Doors ....................................183
Smart entry & start system ...143
Wireless remote control........168Doors ........................................ 183
Automatic door locking and
unlocking system............... 185
Door glasses......................... 215
Door lock ............................. 183
Open door warning buzzer .. 147
Open door warning light ...... 834
Outside rear view mirrors .... 211
Rear door child-protector .... 184
Driver’s seat position memory . 199
Driving position memory..... 200
Memory recall function ....... 203
Power easy access system.... 199
Driving...................................... 224
Break-in tips ........................ 226
Correct driving posture .......... 36
Driving mode select switch . 392
Hybrid vehicle driving tips .. 432
Procedures ........................... 224
Winter drive tips .................. 434
DRS (Dynamic Rear Steering) . 398
Function ............................... 398
Warning message................. 846
Dynamic radar cruise control ... 302
Function ............................... 302
Warning message......... 842, 854
Dynamic radar cruise control
with full-speed range.............. 319
Function ............................... 319
Warning message......... 843, 854
Dynamic Rear Steering (DRS) . 398
Function ............................... 398
Warning message................. 846
DVD player ...................... 536, 544
D

972Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Lights
Automatic High Beam
system.................................277
Fog light switch ....................283
Follow me home system .......273
Headlight switch ...................272
Illuminated entry system ......686
Interior light..........................685
Interior lights list ..................684
Personal lights ......................685
Replacing light bulbs ............805
Trunk light ............................189
Turn signal lever ...................267
Vanity lights .........................697
Wattage .................................940
Welcome light illumination
control ................................143
LKA (Lane-Keeping Assist) .....338
Operation ..............................340
Warning messages ........843, 855
Lock steering column ................250
Low profile tire .........................760
Luggage hook ............................694
Luggage security system ...........188Maintenance
Do-it-yourself maintenance . 731
Maintenance data ................. 926
Maintenance requirements... 728
Malfunction indicator lamp ...... 831
Master warning light ................ 834
Meter ........................................ 109
Head-up display ................... 122
Indicators ............................. 106
Instrument panel light control....
111
Meters .................................. 109
Multi-information display.... 114
Warning lights ..................... 105
Mirrors
Inside rear view mirror ........ 208
Outside rear view mirror
defoggers ........................... 501
Outside rear view mirrors .... 211
Vanity mirrors...................... 697
Moon roof ................................. 218
Door lock linked moon roof
operation............................ 219
Jam protection function ....... 219
Operation ............................. 218
Warning message................. 849
MP3 disc ................................... 538M

973Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Multi-information display .........114
Dynamic radar cruise
control ................................302
Dynamic radar cruise control
with full-speed range..........319
Energy monitor .....................131
Lane-Keeping Assist ............342
Language ..............................118
Switching the display ...........115
Trip information ...................115
Warning message..................839
nanoe system ..........................494
Navigation system
*
Odometer ...................................109
Oil
Differential oil ......................935
Engine oil .............................930
Opener
Hood .....................................734
Trunk ....................................187
Outer foot lights
Location ................................684
Replacing light bulbs ............814
Wattage .................................940Outside rear view mirrors ......... 211
Adjusting and folding .......... 211
BSM (Blind Spot Monitor) .. 418
Linked mirror function
when reversing .................. 213
Mirror position memory ...... 199
Outside rear view mirror
defoggers .......................... 501
Outside temperature display ..... 115
Overheating .............................. 917
Paddle shift switches ................ 261
Parking assist sensors ............... 348
Parking brake............................ 269
If the parking brake cannot
be released ......................... 907
Operation ............................. 269
Parking brake engaged
warning buzzer .................. 850
Parking brake engaged
warning message ............... 850
PCS
(Pre-Crash Safety system)...... 406
Function ............................... 406
PCS OFF switch .................. 408
Warning light ....................... 833
Warning message. 842, 855, 862
Personal lights .......................... 685
Pollen removal mode ................ 488
Power control unit ...................... 84
N
O
P
*: For vehicles with a navigation system, refer to the
“Navigation System Owner’s Manual”.

975Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Seat belt reminder light .............834
Seat belts .....................................38
Adjusting the seat belt ............39
Child restraint system
installation ............................72
Cleaning and maintaining
the seat belt.........................725
Emergency Locking
Retractor (ELR)....................41
How to wear your seat belt .....38
How your child should wear
the seat belt...........................41
Pre-crash seat belts .................40
Pregnant women, proper
seat belt use ..........................42
Reminder light and buzzer....834
Seat belt pretensioners ............40
SRS warning light ................831
Seat heaters................................704
Seat position memory ................199
Seat ventilators ..........................704
Seats ..........................................194
Adjustment ...........................194
Adjustment precautions ........196
Child seats/child restraint
system installation ................71
Cleaning................................724
Driving position memory .....199
Head restraints ......................206
Power easy access system ....199
Properly sitting in the seat ......36
Seat heaters ...........................704
Seat position memory ...........199
Seat ventilators .....................704Sensor
Automatic headlight system 275
Automatic High Beam system ...
282
Driver monitor sensor .......... 409
Humidity sensor................... 491
Inside rear view mirror ........ 209
Intrusion sensor and tilt sensor ..
100
Lexus parking assist-sensor . 348
LKA (Lane-Keeping Assist) 338
Radar sensor ........ 312, 409, 423
Rain-sensing windshield
wipers ................................ 291
Service plug ................................ 84
S-FLOW mode ......................... 488
Shift lever ................................. 258
Hybrid transmission............. 258
If the shift lever cannot be
shifted from P .................... 906
Shift lever light ......................... 684
Shift lock system ...................... 906
Side airbags ................................ 45
Side mirrors .............................. 211
Adjusting and folding .......... 211
BSM (Blind spot monitor) ... 418
Linked mirror function when
reversing ............................ 213
Mirror position memory ...... 199
Side turn signal lights ............... 267
Replacing light bulbs ........... 818
Turn signal lever .................. 267
Smart entry & start system ....... 143
Antenna location .................. 145
Entry functions .................... 143
Starting the hybrid system ... 246
S

977Alphabetical index
GS450h_300h_OM_OM30D53E_(EE)
Switches
AFS OFF switch ...................274
Audio remote control
switches ..............................611
Automatic High Beam switch ....
277
Brake hold switch .................272
BSM (Blind spot monitor)
switch .................................418
Cruise control
switch .................298, 302, 319
“DISP” button.......................115
Door lock switches ...............183
Driving mode select switch ..392
Driving position memory
switches ..............................199
Emergency flashers switch ...820
EV drive mode switch ..........254
Fog light switch ....................283
Headlight cleaner switch ......293
Heated steering wheel switch .....
702
HUD (Head-up display)
switches ..............................122
Ignition switch ......................246
Lexus parking assist-sensor
switch .................................349
Light switch ..........................272
LKA (Lane-Keeping Assist)
switch .................................340
Moon roof switches ..............218Outside rear view mirror
switches ............................. 211
Paddle shift switches ........... 261
Parking brake switches ........ 269
PCS OFF switch .................. 408
Power door lock switch ....... 183
Power switch........................ 246
Power window switches ...... 215
Rear sunshade switch........... 712
Rear window and outside rear
view mirror defoggers
switch ................................ 501
Seat heater switches ............. 704
Seat ventilator switches ....... 704
Snow mode switch ............... 260
Talk switch .................. 471, 635
Telephone switches.............. 612
Tilt and telescopic steering
control switch .................... 207
Tire pressure warning reset
switch ................................ 757
Trunk closer switch ............. 188
Trunk opener switch ............ 187
Trunk opener main switch ... 188
Vehicle-to-vehicle distance
button......................... 305, 322
VSC OFF switch.................. 400
Window lock switch ............ 215
Windshield wipers
and washer switch ............. 285