alarm LEXUS LS500H 2019 User Guide

4457-2. Steps to take in an emergency
LS500h_OM_(U)_1809
7
When trouble arises
If you have a set of jumper (or booster)
cables and a second vehicle with a
12-volt battery, you can jump start your
vehicle by following the steps below.
Method connecting jumper (or
booster) cables to the 12-volt bat-
tery
1 Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked.
( P.74)
2 Open the trunk lid and remove the
luggage mat. ( P.350)
In the event that the trunk opener cannot
be used, use the mechanical key to open
the trunk. (P.443)
3 Connect a positive jumper cable clamp to on your vehicle and connect the
clamp on the other end of the positive cab le to on the second vehicle. Then,
connect a negative cable clamp to on the second vehicle and connect the
clamp at the other end of the negative cable to .
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Negative (-) battery terminal (your vehicle)
If the 12-volt battery is dis-
charged
The following procedures may be
used to start the hy brid system if the
12-volt battery is discharged.
You can also call your Lexus dealer
or a qualified repair shop.
Restarting the hybrid system
A
B
C
D
A
B
C
D

4467-2. Steps to take in an emergency
LS500h_OM_(U)_1809
4Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the 12-volt battery of your
vehicle.
5 Open and close any of the doors of
your vehicle with the power switch
off.
6 Maintain the engine speed of the
second vehicle and start the hybrid
system of your vehicle by turning
the power switch to ON mode.
7 Make sure the “READY” indicator
comes on. If the indicator does not
come on, contact your Lexus
dealer.
8 Once the hybrid system has
started, remove the jumper cables
in the exact reverse order from
which they were connected.
Method connecting jumper (or
booster) cables to the exclusive
jump starting terminal
1 Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and doors locked. (
 P.74)
2 Open the hood. Remove the driver
side engine compartment cover
and fuse box cover. ( P.382,
385)
Push the tabs in and lift the lid off.
3 Open the exclusive jump starting
terminal cover.
4 Connect a positive jumper cable clamp to on your vehicle and connect the
clamp on the other end of the positive cab le to on the second vehicle. Then,
A
B

5071-1. What to do if... (Troubleshooting)
LS500h_OM_(U)_1809507What to do if... (Troubleshooting)
started in a temporary way. (
P.444)
 Is the 12-volt battery discharged?
( P.445)
 It is locked automatically to prevent
theft of the vehicle. ( P.171)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( 
P.156)
The auto power off function will be
operated if the vehicle is left in
ACCESSORY mode for a period of
time. ( P.173)
 The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( 
P.427)
The parking brake indicator is on
Is the parking brake released? ( P.183)
Depending on the situation, other
types of warning buzzer may also
sound. (P.424, 434) 
Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(
P.73)
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors.
 Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.)
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( 
P.434)
When a warning light turns on or a
warning message is displayed, refer
to P.424, 434.
 Slow down the vehicle, drive with
The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire

5091-1. What to do if... (Troubleshooting)
LS500h_OM_(U)_1809509Alphabetical Index
Alphabetical Index
A
A/C Air conditioning filter .............................. 408
Front automatic air conditioning system......................................................................... 323
Micro dust and pollen filter................... 329
Rear automatic air conditioning system ......................................................................... 334
ABS (Anti-lock Brake System).............. 302 Warning light ............................................... 426
Adaptive Front-lighting System (AFS) 189
Adaptive Variable Suspension System302
AFS (Adaptive Front-lighting System) 189
Air conditioning filter .................................408
Air conditioning system Air conditioning filter .............................. 408
Front automatic air conditioning system......................................................................... 323
Micro dust and pollen filter................... 329
Rear automatic air conditioning system ......................................................................... 334
Airbags Airbag operating conditions..................... 31
Airbag precautions for your child ........ 34
Correct driving posture .............................23
Curtain shield airbag operating condi- tions ...................................................................32
Curtain shield airbag precautions ....... 34
Front passenger occupant classification system ............................................................. 40
General airbag precautions ................... 34
Locations of airbags.................................... 29
Modification and disposal of airbags ..37
Side airbag operating conditions ..........32
Side airbag precautions ............................ 34
Side and curtain shield airbags operating conditions.......................................................32
Side and curtain shield airbags precau- tions .................................................................. 34
SRS airbags ..................................................... 29
SRS warning light ...................................... 426 Alarm ....................................................................73
Warning buzzer ......................................... 424
Anchor brackets ..................................... 46, 55
Antennas (smart acc ess system with
push-button start).......................................123
Anti-lock Brake System (ABS).............. 302 Warning light ............................................... 426
Approach warning........................................251
Armrest............................................................ 354
Assist grips ..................................................... 354
Audio system-linked display ...................... 93
Automatic headlight leveling system ... 188
Automatic High Beam ............................... 190
Automatic light control system................187
Auxiliary boxes ................................... 349, 351
Average fuel economy................................. 92
Average vehicle speed ................................ 92
B
Back-up lights Replacing light bulbs ..................................414
Battery (12-volt battery) Battery checking ....................................... 390
If the 12-volt battery is discharged ....445
Preparing and checking before winter......................................................................... 309
Warning light ...............................................425
Battery (traction batter y) ............................ 66
Blind Spot Monitor (BSM)....................... 258
Brake Brake hold ...................................................... 185
Fluid...................................................... 388, 463
Parking brake ............................................... 183
Regenerative braking ................................. 64
Warning light ............................................... 424
Brake assist .................................................... 302
Break-in tips...................................................... 161
Brightness control Instrument panel light control....... 83, 89
BSM (Blind Spot Monitor)....................... 258

520Alphabetical Index
LS500h_OM_(U)_1809
Tail lights Light switch .....................................................187
Replacing light bulbs.................................. 414
Theft deterrent system Alarm ...................................................................73
Immobilizer system........................................ 71
Tire inflation pressure Maintenance data...................................... 464
Tire inflation pressu re display function
......................................................................... 394
Warning light ............................................... 428
Tire information ............................................ 470 Glossary......................................................... 473
Size...................................................................... 471
Tire identification number ....................... 471
Uniform Tire Quality Grading............ 472
Tire pressure display .................................. 394
Tire pressure warning system Function .......................................................... 394
Initializing .......................................................398
Installing tire pressure warning valves and transmitters ...................................... 397
Registering ID codes ...............................399
Warning light ............................................... 428
Tires Chains .............................................................. 310
Checking ....................................................... 392
If you have a flat tire .................................. 439
Inflation pressure........................................405
Information .................................................... 470
Replacing ........................................................ 401
Rotating tires ................................................ 394
Run-flat tires .....................................394, 439
Size.................................................................... 464
Snow tires ......................................................309
Tire inflation pressu re display function
......................................................................... 394
Tire pressure warning system ............. 394
Warning light ............................................... 428
Top tether strap............................................... 55
Total load capacity ...................................... 458 Towing
Dinghy towing .............................................. 169
Emergency towing..................................... 419
Towing eyelet............................................... 422
Trailer towing ................................................ 168
TRAC (Traction Control) ........................ 302
Traction battery (hybrid battery) Hybrid battery (traction battery) air vents............................................................................. 69
Location ............................................................. 66
Specification ................................................ 460
Warning message ........................................ 69
Traction Control (TRAC) ........................ 302
Traction motor (electric motor) ............... 63
Trailer towing ................................................. 168
Transmission Driving mode select switch .................. 297
Hybrid transmission....................................176
M mode ............................................................. 181
Paddle shift switches ........................ 180, 181
Snow mode.....................................................179
Trip meters ............................................... 83, 88
Trunk .................................................................... 116 Hands Free Power Trunk Lid................. 119
Internal trunk release lever....................... 121
Power trunk opener and closer ............ 118
Smart access system with push-button start ................................................................... 119
Trunk closer switch .................................... 120
Trunk easy closer........................................ 120
Trunk features ............................................. 350
Trunk grip ....................................................... 120
Trunk lid light................................................. 120
Trunk light ....................................................... 120
Trunk opener main switch....................... 122
Trunk opener switch ................................... 118
Wireless remote control ........................... 119
Trunk lid light ...................................................120
Trunk light .........................................................120
Turn signal lights Replacing light bulbs ..................................414
Turn signal lever .......................................... 182