Page 633 of 660
633
9
For owners
RX450h_U_OM0E013U À l'aide d'un tournevis cruciforme,
tournez le boulon A dans n'importe
quel sens. Mémorisez le sens dans lequel vous
avez tourné et le nombre de tours.
Tournez le boulon B du même nom-
bre de tours dans le même sens qu'à
l'étape . Si vous n'arrivez pas à régler le phare en
procédant de la sorte, confiez le véhi-
cule à votre concessionnaire Lexus pour
qu'il règle le faisceau des phares.Réglage du faisceau des phares 1
2
1
Page 634 of 660
Page 635 of 660
635
Index
RX450h_U_OM0E013U What to do if...
(Troubleshooting)................................ 636
Alphabetical index.................................640
Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL” for
information regarding the equipment listed below.
• Navigation system
• Audio/visual system
• Rear seat entertainment sys-
tem •Panoramic view monitor
•Lexus Enform
Page 636 of 660

636
RX450h_U_OM0E013U What to do if... (Troubleshooting)
What to do if... (Troubleshooting) ●
If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( P. 1 3 3 )●
If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 1 3 5 )●
Is the electronic key battery weak or depleted? ( P. 5 0 6 )●
Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 2 3 3 )●
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person. ●
The function may not operate properly du e to the condition of the radio wave.
( P. 1 6 0 )
●
Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 1 3 9 )If you have a problem, check the following before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
Page 637 of 660

637What to do if... (Troubleshooting)
RX450h_U_OM0E013U ●
Did you press the power switch while firmly depressing the brake pedal?
( P. 232)●
Is the shift lever in P? ( P. 2 3 4 )●
Is the electronic key anywhere detectable inside the vehicle? ( P. 1 5 8 )●
Is the steering wheel unlocked? ( P. 2 3 5 )●
Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way. ( P. 5 6 6 )●
Is the 12-volt battery discharged? ( P. 5 6 8 )●
Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
power switch in ON mode ( P. 5 6 3 )●
It is locked automatically to prevent theft of the vehicle. ( P. 2 3 5 )
●
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. 1 8 9 )
●
The auto power off function will be operated if the vehicle is left in
ACCESSORY or ON mode (the hybrid system is not operating) for a period
of time. ( P. 2 3 4 )If you think something is wrong The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
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
Page 638 of 660

638 What to do if... (Troubleshooting)
RX450h_U_OM0E013U ●
The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 5 3 8 )●
The parking brake indicator is on
Is the parking brake released? ( P. 2 4 5 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 5 3 6 , 5 4 3 ) ●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 8 7 )
Do one of the following to stop the alarms: • Unlock the doors.
• Turn the power switch to ACCESSORY or ON mode, or start the hybrid system.
●
Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 5 4 3 )●
When a warning light turns on or a warning message is displayed, refer to
P. 5 3 6 , 5 4 3 . 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
Page 639 of 660
639What to do if... (Troubleshooting)
RX450h_U_OM0E013U ●
Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 5 4 9 )●
Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
( P. 5 7 8 )When a problem has occurred If you have a flat tire
The vehicle becomes stuck
Page 640 of 660

640
RX450h_U_OM0E013U Alphabetical index
Alphabetical index A/C ............................................................ 405
Air conditioning filter......................... 501
Automatic air conditioning
system ................................................. 405
ABS (Anti-lock Brake System)........ 381
Warning light .......................................537
Adaptive Front-lighting System
(AFS) ...................................................... 252
Adaptive Variable Suspension
System ................................................... 382
AFS (Adaptive Front-lighting
System) .................................................. 252
Air conditioning filter ........................... 501
Air conditioning system ..................... 405
Air conditioning filter......................... 501
Automatic air conditioning
system ................................................. 405
S-FLOW mode ................................. 406 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your
child............................................................ 41
Airbag warning light ........................ 536
Correct driving posture .................... 30
Curtain shield airbag
operating conditions ....................... 46
Curtain shield airbag
precautions .......................................... 44
Front passenger occupant
classification system........................... 51
General airbag precautions ............. 41
Locations of airbags............................ 38
Modification and disposal of
airbags .................................................... 45
Seat cushion airbag ............................. 38
Side airbag operating
conditions ............................................. 46
Side airbag precautions ...................... 41
Side and curtain shield airbags
operating conditions ....................... 46
Side and curtain shield airbags
precautions ............................................ 41
SRS airbag instructions
for Canadian owners ................... 624
SRS airbags ............................................. 38
Alarm ............................................................87A