Page 419 of 660
4195-3. Using the interior lights
5
Interior features
RX450h_U_OM0E013U
Front
Turns the lights on/off (touch the lights)
Rear
Turns the lights on/off
Personal lights
Page 420 of 660
4205-3. Using the interior lights
RX450h_U_OM0E013U
●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.
●If the interior lights remain on when the power switch is turned off, the lights will go off
automatically after 20 minutes.
●In the following cases, the interior lights and front personal lights may not respond as
normal.
• When water, dirt, etc., have adhered to the lens surface
• When operated with a wet hand
• When wearing gloves, etc.
●Some functions can be customized ( P. 607)
NOTICE
●Never remove the lens for the front interior light and front personal lights. Otherwise,
the lights will be damaged. If the lens need to remove, contact your Lexus dealer.
●To prevent 12-volt battery discharge, do not leave the lights on longer than necessary
when the hybrid system is off.
Page 432 of 660
432
RX450h_U_OM0E013U5-5. Using the other interior features
To set the visor in the forward posi-
tion, flip it down.
To set the visor in the side position,
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.
If the vanity lights remain on when the power switch is turned off, the light will go off auto-
matically after 20 minutes.
Other interior features
Sun visors
1
2
3
Vanity mirrors
NOTICE
To prevent 12-volt battery discharge, do not leave the vanity lights on for extended peri-
ods while the hybrid system is off.
Page 435 of 660

4355-5. Using the other interior features
5
Interior features
RX450h_U_OM0E013U
■Operation indicator light status
*: Depending on the portable device, the operation indicator light may stay illuminated
(orange) after charging has completed.
●If the operation indicator light blinks
If an error is detected, the operation in dicator light will blink (orange). Take the
appropriate measures according to the table below.
■The wireless charger can be operated when
The power switch is in ACCESSORY or ON mode.
■Portable devices t hat can be charged
●Portable devices compatible with the Qi wireless charging standard can be charged by
the wireless charger. However, compatibility with all devices which meet the Qi wire-
less charging standard is not guaranteed.
●The wireless charger is designed to supply low power electricity (5 W or less) to a cel-
lular phone, smartphone, or other portable device.
Operation indicator lightState
OffThe Wireless charger is off
Green (illuminated)Standby (charging is possible)
Charging is complete*
Orange (illuminated)
A portable device has been placed on the charging
area (identifying the portable device)
Charging in progress
Operation indicator lightSuspected causesMeasure
Blinks (orange) at a one
second interval continu-
ously Vehicle to charger com-
munication failure.
Contact your Lexus dealer.
Blinks (orange) 3 times
repeatedly A foreign object exists
between the portable
device and charging area.
Remove the foreign object.
Portable device is not posi-
tioned properly on the
charging area. Move the portable device
toward the center of the
charging area.
Blinks (orange) 4 times
repeatedly The temperature of the
wireless charger is exces-
sively high.Stop charging immediately
and continue charging
after a while.
Page 468 of 660

4686-2. Maintenance
RX450h_U_OM0E013U
*: Vehicles with sing le-beam headlights
Vehicle interior
ItemsCheck points
Accelerator pedal• The accelerator pedal sh ould move smoothly (with-
out uneven pedal effort or catching).
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clearance from the floor? ( P. 588)
• Does the brake pedal have the correct amount of free play? ( P. 588)
Brakes
• The vehicle should not pull to one side when the
brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should no t get too close to the floor
when the brakes are applied.
Head restraints• Do the head restraints move smoothly and lock securely?
Hybrid transmission “Park”
mechanism• When parked on a slope and the shift lever is in P, is
the vehicle securely stopped?
Indicators/buzzers• Do the indicators and buzzers function properly?
Lights• Do all the lights come on?
• Are the headlights aimed correctly?
* ( P. 511)
Parking brake• Does the parking brake switch operate normally?
• When parked on a slope and the parking brake is on,
is the vehicle securely stopped?
Seat belts• Do the seat belts operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correct amount offree play?
• There should not be any strange sounds coming from the steering wheel.
Page 561 of 660

5617-2. Steps to take in an emergency
7
When trouble arises
RX450h_U_OM0E013U
One of the following may be the cause of the problem:
●The electronic key may not be functioning properly. ( P. 564)
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●There may be a malfunction in the immobilizer system. ( P. 85)
●There may be a malfunction in the steering lock system.
●The hybrid system may be malfunctioni ng due to an electrical problem such
as electronic key battery depletion or a blown fuse. However, depending on
the type of malfunction, an interim meas ure is available to start the hybrid sys-
tem. ( P. 562)
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 568)
●The 12-volt battery terminal connections may be loose or corroded.
( P. 483)
If the hybrid system will not start
Reasons for the hybrid system not star ting vary depending on the situation.
Check the following and perform the appropriate procedure:
The hybrid system will not start even though the correct starting proce-
dure is being followed. ( P. 232)
The interior lights and headlights are d im, or the horn does not sound or
sounds at a low volume.
Page 562 of 660

5627-2. Steps to take in an emergency
RX450h_U_OM0E013U
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. (P. 568)
●One or both of the 12-volt battery terminals may be disconnected. ( P. 483)
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
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 functioning nor-
mally.
Do not use this starting procedur e except in cases of emergency.
Turn the power switch to ON mode an d check that the parking brake is set.
( P. 233, 245)
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for ab out 15 seconds while depressing the
brake pedal firmly.
Even if the hybrid system can be starte d 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 590 of 660
5908-1. Specifications
RX450h_U_OM0E013U
Light bulbs
Light bulbsBulb No.WType
Exterior
Front side marker lights*15B
Front turn signal lights*17444NA28/8A
Rear turn signal lights*121A
Back-up lights92116B
Interior
Door courtesy lights*25B
Vanity lights8B
Luggage compartment light5B
A: Wedge base bulbs (amber) B: Wedge base bulbs (clear)
*1: Vehicles with single-beam headlights
*2: Vehicles without door trim ornament lights