
440 7-2. Steps to take in an emergency
LS500h_OM_OM50F42U_(U) ■
If “Traction Battery Needs to be Pro-
tected Shift into P to Restart” is dis-
played
The remaining charge for the hybrid battery
(traction battery) is low, because the shift
position has been shifted to N for a long
period of time.
When moving the vehicle, shift the shift
position to P and restart the hybrid system. ■
If “Shift Is in N Release Accelerator
Before Shifting” is displayed
The accelerator pedal has been depressed
when the shift position is in N.
Release the accelerator pedal and shift the
shift position to D or R. ■
If “Depress Brake When Vehicle Is
Stopped Hybrid Syst em May Overheat”
is displayed
The message may be displayed when the
accelerator pedal is depressed to hold the
vehicle while the vehicle is stopped on an
incline, etc. The hybrid system may over-
heat. Release the accelerator pedal and
depress the brake pedal. ■
If “Auto Power Off to Conserve Battery”
is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the hybrid system, operate the hybrid sys-
tem for approximately 5 minutes to
recharge the 12-volt battery. ■
If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●
The LED headlight system
●
AFS (Adaptive Front-lighting System)
●
The automatic headlight leveling system
●
AHB (Automatic High Beam)
■
If “Front Camera Unavailable” or “Front
Camera Unavailable Remove Debris
On Windshield” is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( → P.219, 226, 433) ●
PCS (Pre-Collision system) ●
LTA (Lane Tracing Assist) (if equipped) ●
LKA (Lane Keeping Assist) (if equipped) ●
Dynamic radar cruise control with
full-speed range ●
RSA (Road Sign Assist) (if equipped) ●
AHB (Automatic High Beam) ■
If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule *
should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. ( → P.378)*
: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle. ■
If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all mainte nance is required to
correspond to the driven distance on the
maintenance schedule *
.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( → P.378) *
: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■
If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil an d change it if neces-
sary. After changing th e engine oil, make
sure to reset the message. ( → P.390)

4417-2. Steps to take in an emergency
LS500h_OM_OM50F42U_(U) 7
When trouble arises ■
If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
( → P.390)■
If “Shift System Malfunction Driving
Unavailable” is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately. ■
If a message that in dicates the need for
the shift lever oper ation is displayed
To prevent the shift lever from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position. ■
If a message that in dicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately. ■
If a message that in dicates the need for
referring to Owner’s Manual is dis-
played●
If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( → P.453)
•“Battery Low” ( → P.447)
• “Transmission Fluid Temp High” ( → P.175)
●
If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
• “Shift System Malfunction”
• “P Switch Malfunction”
• “Shift System Unavailable”
• “Hybrid System Malfunction”
•“Check Engine” • “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction” ●
If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low” ●
If “Maintenance Required for Traction
Battery Cooling Parts” is shown, the fil-
ters may be clogged, the air intake vents
may be blocked, or there may be a gap in
the duct. Therefore, perform the follow-
ing correction procedure.
• If the air intake vent s and filters of the
hybrid battery (traction battery) are dirty,
perform the procedure on P.374 to clean
them.
• If the warning message is shown when
the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.
NOTICE■
If “High Power Consumption Partial
Limit On AC/Heater Operation” is
displayed frequently
There is a possible malfunction relating
to the charging system or the 12-volt bat-
tery may be deteriorating. Have the vehi-
cle inspected by your Lexus dealer.
■
If “Have Traction Battery Inspected”
is displayed
This message indicates that the hybrid
battery (traction battery) may require
inspection or replacement. Have the
vehicle inspected by your Lexus dealer
immediately.
Do not continue driving the vehicle, as
the hybrid system may become not able
to be started again.

4838-2. Customization
LS500h_OM_OM50F42U_(U) 8
Vehicle specifications
*1
: For details about each function: → P.90*2
: The default setting varies according to country. *3
:F SPORT modelsDrive information 1 Current fuel con-
sumption
Customizable
items: → P.88 — O — —Average fuel
economy (after
reset)
Drive information 2 Distance (driving
range)
Average vehicle
speed (after
reset)
Clock 12-hour display 24-hour display — O — —
Pop-up display On Off — O — —
Accent color Color 1 Color 2 O O — —
Tachometer setting Change accord-
ing to driving
mode Always tachome-
ter
— O — —
Always Hybrid
System Indicator
Rev indicator *3
4000 r/min. 2000 - 6600
r/min.
— O — —
Off
Rev peak *3
On Off — O — —
EV indicator On Off — O — —
Suggestion function On On (when the
vehicle is
stopped) O — — O
OffFunction *1
Default setting Customized set-
ting A B C D

5191-1. What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 519Alphabetical Index
Preparing and checking before winter
.........................................................................309
Power easy access system ........................139
Power outlets ................................................ 353
Power rear seat ..............................................135
Power steering (Elect ric power steering
system).......................................................... 303
Warning light ...............................................430
Power switch .................................................. 168
Auto power off function .............................171
Changing the power switch modes ..170
Power switch (engine switch)
If your vehicle has to be stopped in an
emergency ................................................ 420
Power trunk opener and closer ............... 114
Power windows
Door lock linked window operation..152
Jam protection function............................. 151
Operation......................................................... 151
Window lock switch ..................................153
Pre-Collision System (PCS)
Function ..............................................209, 220
PCS OFF switch ...............................212, 222
Warning light ............................................... 433
Warning message........................... 219, 226
R
Radar cruise control (dynamic radar cruise
control with full-speed range).. 247, 250
Radiator .............................................................391
RCD (Rear camera detection) .............. 265
Warning message..................................... 278
RCD (Rear Camera Detection)
Function ...........................................................277
RCTA
Function .......................................................... 273
Warning message..................................... 274
RCTA (Rear Cross Traffic Alert) ......... 265
RCTA function ..............................................274
Rear air conditioning system .................. 333
Rear Cross Traffic Alert (RCTA) ......... 273
Rear door sunshades ..... ............................ 355 Rear Multi Operation Pa nel .................... 318
Rear seat position memory .......................143
Rear seats .........................................................135
Adjustment ..................................................... 135
Head restraints..............................................144
Rear seat position memory.....................143
Relaxation system ....................................... 138
Seat heaters ..................................................336
Seat ventilators ............................................336
Rear side marker lights
Light switch .................................................... 185
Replacing light bulbs ..................................417
Rear sunshades ............................................ 356
Rear turn signal lights
Replacing light bulbs ..................................417
Turn signal lever .......................................... 180
Rear view mirror
Inside rear view mirror ............................. 148
Outside rear view mirrors...................... 149
Rear window defogger ............................. 324
Refueling
Capacity .......................................................... 461
Fuel types ........................................................ 461
If the fuel filler do or cannot be opened
..........................................................................445
Opening the fuel tank cap ..................... 194
Regenerative braking ................................... 59
Remote Touch ................................................314
Replacing
Electronic key battery ................................413
Fuses...................................................................414
Light bulbs .......................................................417
Tires ................................................................. 405
Resetting the message indicating mainte-
nance is required ...................................... 378
Rev indicator .................................................... 83
Rev peak............................................................. 83
Road Sign Assist ...........................................247
RSA (Road Sign Assist) .............................247
Run-flat tires........................................ 397, 442

5211-1. What to do if... (Troubleshooting)
LS500h_OM_OM50F42U_(U) 521Alphabetical Index
Speedometer .............................................77, 81
Steering lock
Column lock release..................................169
Steering lock system warning message
...........................................................................169
Steering wheel
Adjustment...................................................... 147
Heated steering wheel............................ 336
Meter control switches .............................. 87
Power easy access system .....................139
Steering wheel position memory ........139
Stop lights
Replacing light bulbs.................................. 417
Storage features .......................................... 343
Stuck
If the vehicle becomes stuck................ 457
Suggestion function......................................... 91
Sun visors ........................................................ 354
Sunshade
Roof ....................................................................154
Switches
Activating the Automatic High Beam
.......................................................................... 188
Automatic High Beam system............. 188
Brake Hold switch ..................................... 183
Door lock switches ...................................... 110
Driving mode select switch ..................298
Driving position memory switches .....139
Dynamic radar cruise control with
full-speed range switch .........................251
Emergency flashers switch ................... 420
EV drive mode switch .............................. 172
Garage door opener switches ......... 358
Heated steering wheel switch............. 336
HUD (Head-up display) switch............ 94
Ignition switch............................................... 168
Instrument panel light control switches
................................................................... 79, 85
Intuitive parking assist switch............... 267
Light switches ............................................... 185
LKA (Lane-Keeping A ssist) switch.. 242
LTA (Lane-Tracing Assist) switch .... 234 Meter control switches .............................. 87
Moon roof switches................................... 153
“ODO TRIP”switch ............................79, 85
Outside rear view mi rror switches .... 149
Paddle shift switches ....................... 178, 179
Parking brake switch................................... 181
PCS OFF switch .............................. 212, 222
PKSB (Parking Support Brake) switch
........................................................................... 281
Power door lock switch ............................ 110
Power switch................................................. 168
Power window switches ........................... 151
RCD (Rear camera detection) switch
.......................................................................... 277
RCTA switch ................................................ 273
Rear door sunshade switch ................. 355
Rear seat heater..........................................334
Rear seat position memory switches .143
Rear seat ventilator ...................................334
Rear sunshades switch........................... 356
Rear window and outside rear view mir-
ror defoggers switch ............................ 323
Seat heater switches.................................336
Seat ventilator switches ..........................336
Snow mode switch...................................... 177
“SOS” button................................................364
Tilt and telescopic steering control switch
............................................................................147
Tire pressure warning reset switch.... 401
Trunk closer switch ...................................... 115
Trunk opener main switch........................ 118
Trunk opener switch ................................... 114
Vehicle-to-vehicle distance switch.... 251
VSC OFF switch ...................................... 304
Window lock switch.................................. 153
Windshield wiper and washer switch190
Windshield wiper de-icer switch....... 327
T
Tachometer.................................................77, 81
Rev indicator ...................................................83
Rev peak............................................................83