Page 364 of 620
3625-4. Using the interior lights
LS600hL_U(OM50E41U)
Front
On/off
Rear
On/off
Pe r s o n a l l i g h t s
Page 365 of 620
3635-4. Using the interior lights
5
Interior features
LS600hL_U(OM50E41U)
■Illuminated entry system
The lights automatically turn on/off according to power switch mode, the presence
of the electronic key, whether the doors are locked/unlocked, and whether the doors
are opened/closed.
■To prevent the 12-volt battery from being discharged
If the following lights remain on when the power switch is turned off, the lights will go
off automatically after 20 minutes:
●Interior lights
●Door courtesy lights
●Pe r s o n a l l i g h t s
●Inside door handle lights
●Seat belt buckle lights
●Footwell lights
●Power switch light
■Customization
Settings (e.g. The time elapsed before lights turn off) can be changed.
(Customizable features P. 5 6 4 )
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is off.
Page 379 of 620
3775-6. Other interior features
5
Interior features
LS600hL_U(OM50E41U)
■To prevent 12-volt battery discharge
If the vanity lights remain on when the power switch is turned off, the lights will go off
automatically after 20 minutes.
NOTICE
■When not in use
Keep the rear vanity mirror closed.
■To prevent the 12-volt battery from being discharged
Do not leave the vanity lights on for extended periods while the hybrid system is off.
Page 519 of 620

5177-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. (P. 5 2 6 )
●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 8 )
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctio ning due to an electrical problem
such as electronic key battery de pletion or a blown fuse. However,
depending on the type of malfuncti on, an interim measure is available
to start the hybrid system. ( P. 5 1 8 )
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 5 2 7 )
●The 12-volt battery terminal connecti ons may be loose or corroded.
If the hybrid system will not start
Reasons for the hybrid system not st arting vary depending on the situa-
tion. Check the following and perf orm the appropriate procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. ( P. 2 1 6 )
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.
Page 520 of 620

5187-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
One of the following may be the cause of the problem:
●One or both of the 12-volt battery terminals may be disconnected.
●The 12-volt battery may be discharged. ( P. 5 2 7 )
Contact your Lexus dealer if the problem cannot be repaired, or if repair proce-
dures are unknown.
When the hybrid system does not start, the following steps can be used as
an interim measure to star t the hybrid system if the power switch is func-
tioning normally:
Turn the power switch to ON mode ( P. 217) and check that the park-
ing brake is set.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch fo r about 15 seconds while depressing
the brake pedal firmly.
Even if the hybrid system can be star ted using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Lexus dealer.
The interior lights and headlights do not turn on, or the horn does
not sound.
Emergency start function
1
2
3
4
Page 551 of 620
5498-1. Specifications
8
Vehicle specifications
LS600hL_U(OM50E41U)
Light bulbs
Light bulbsBulb No.WTy p e
Interior
Vanity lights Front
Rear
83A B
Trunk lid light3.8A
Tr u n k l i g h t3.8A
A: Wedge base bulbs B: Double end bulbs
Page 573 of 620
5718-2. Customization
8
Vehicle specifications
LS600hL_U(OM50E41U)
Illumination
( P. 3 6 0 )
Ti m e e l a p s e d b e f o r e t h e
interior lights turn off15 seconds
Off
O—O
7. 5
seconds
30
seconds
Operation after the power
switch is turned offOnOff——O
Operation when the doors
are unlockedOnOff——O
Operation when you
approach the vehicle with
the electronic key on your
person
OnOff——O
Footwell and inside door
handle lightsOnOff——O
Shift lever lightOnOff——O
Seat belt buckle illumina-
tion when driver's door is
opened
OnOff——O
Seat belt buckle illumina-
tion after the power switch
is turned off
OnOff——O
Instrument panel illumina-
tion methodChoreo- graphed
illuminationSimple illu- mination——O
Off——O
Exterior light controlOnOff——O
Ti m e e l a p s e d b e f o r e t h e
outer foot lights turn off15 seconds
Off
O—O
7. 5
seconds
30
seconds
ItemFunctionDefault settingCustom-
ized setting123
Page 607 of 620

605Alphabetical index
LS600hL_U(OM50E41U)
HooksCargo hooks ........................................ 373
Coat hooks ............................................ 401
Retaining hooks (floor mat) ............. 32
Shopping bag hooks........................ 373
Horn ........................................................... 233
Hybrid battery (traction battery) ........81
Hybrid battery (traction battery) air vents .................................................... 82
Hybrid system ............................................76 Emergency shut off system.............. 82
Energy monitor/consumption screen ........................ 112
EV drive mode...................................... 221
High voltage components ................ 81
Hybrid System Indicator ................. 103
Hybrid system precautions............... 81
Hybrid vehicle driving tips............. 323
If the hybrid system will not start......................................... 517
Overheating ........................................ 530
Power (ignition) switch .................... 216
Starting the hybrid system .............. 216
Vehicle proximity notification system ..................................................... 77
Hybrid System Indicator..................... 103
Hybrid transmission ............................ 223 If the shift lever cannot be shifted from P ............. 519
S mode .................................................... 224 I/M test ......................................................432
Identification........................................... 539
Engine .....................................................539
Vehicle ....................................................539
Ignition switch (power switch) .......... 216
Illuminated entry system ................... 363
Immobilizer system ................................ 88
Indicators ..................................................... 97
Initialization Maintenance ........................................ 426
Moon roof ...............................................194
Power windows................................... 190
Tire pressure warning system ...............................455
Initiators (tire pressure warning system) .................................462
Inside door handle lights ................... 360
Inside rear view mirror.........................183
Instrument panel light control ............ 101
Instrument panel ornament lights ....................................................... 360
Interior lights ............................................ 361 Front interior light ................................361
Rear interior light .................................361
Interior lights list.................................... 360
Intuitive parking assist
*
I
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.