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GS450h_OM_OM30F70U_(U)5-5. Other interior features
5
Interior features
Sun visors and vanity mirrors
To set the visor in the forward
position, flip it down.
To set the visor in the side posi-
tion, flip down, unhook, and swing
it to the side.
To use the side extender, place
the visor in the side position, then
slide it backward.
Slide the cover to open.
The light turns on when the cover is
opened.
Sun visors
1
2
3
Va n i t y m i r r o r s
NOTICE
■To prevent 12-volt battery discharge
Do not leave the vanity lights on for extended periods while the hybrid system is off.
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5-5. Other interior features
Seat heaters/seat ventilators
The seat can be warmed and air from the seat can improve ventilation.
Front seat heaters and ventilators/rear seat heaters (if equipped)
Seat heater switches
The indicator light (yellow) on the
switch comes on when the seat heater
is operating.
Seat ventilator switches (front
seats only)
The indicator light (green) on the
switch comes on when the seat venti-
lator is operating.
Level indicator lights
The seat heater temperature level or
the seat ventilator fan speed level (for
front seats only) is displayed.
“AUTO” indicator lights
XFront seats
XRear seats
1
2
3
4
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GS450h_OM_OM30F70U_(U)
3835-5. Other interior features
5
Interior features
■Modes and indicators
The mode can be changed by pressing the switch.
*: When automatic mode is selected, the level automatically changes depending onthe air conditioning settings.
■The seat heaters/seat ventilators can be used when
The power switch is in ON mode.
■Automatic operation of the seat heater during Eco drive mode
Eco drive mode controls the heating operations and fan speed of the air conditioning
system to enhance fuel efficiency. If the driving mode select switch is switched to Eco
drive mode in cold temperatures, the seat heater may be automatically operated to
assist heating performance.
■Automatic operation during S-FLOW mode
The front seat heater and ventilator or the rear seat heater may automatically turn off
when S-FLOW mode is turned on during automatic mode. ( →P. 3 4 9 )
■Button lock function (vehicles with rear control panel)
To prevent inadvertent operation, some buttons on the rear armrest can be locked.
(→ P. 3 5 9 )
Mode“AUTO” indicator lightLevel indicator lights
OffOffOff
Automatic*On3 to 1, or off
HiOff3
MidOff2
LoOff1
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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. 560)
●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. 555)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( →P. 562)
●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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5557-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
7
When trouble arises
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. 562)
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 start the hybrid system if the power switch is func-
tioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while depressing
the brake pedal firmly.
Even if the hybrid system can be started 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
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