key LEXUS RX350 2019 Owners Manual

TABLE OF CONTENTS
2
RX350/RX350L_U For your information................................... 8
Reading this manual................................... 12
How to search ..............................................13
Pictorial index............................................... 14
1-1. For safe use
Before driving ................................ 28
For safe driving .............................. 30
Seat belts .......................................... 32
SRS airbags ..................................... 36
Front passenger occupant
classification system ..................47
Exhaust gas precautions............ 53
1-2. Child safety
Riding with children ..................... 54
Child restraint systems ............... 55
1-3. Theft deterrent system
Engine immobilizer system........74
Alarm .................................................. 77
2. Instrument cluster
Warning lights and
indicators.......................................80
Gauges and meters ..................... 86
Multi-information display .......... 90
Head-up display .......................... 108
Fuel consumption
information ................................... 114 3-1. Key information
Keys ...................................................120
3-2. Opening, closing and
locking the doors
Side doors....................................... 124
Power back door ........................ 130
Smart access system with
push-button start.......................146
3-3. Adjusting the seats
Front seats ......................................156
Rear seats ....................................... 157
Driving position memory.......... 172
Head restraints ............................. 177
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 180
Inside rear view mirror ............. 182
Outside rear view mirrors ...... 184
3-5. Opening, closing the
windows and moon roof
Power windows ............................187
Moon roof........................................ 191
Panoramic moon roof................1951
For safety and security
2
Instrument cluster 3
Operation of each
component

TABLE OF CONTENTS
6
RX350/RX350L_U 7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ................ 576
Cleaning and protecting
the vehicle interior................... 581
7-2. Maintenance
Maintenance
requirements ............................ 584
General mainte nance.............. 586
Emission inspection and
maintenance (I/M)
programs....................................589
7-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions................................590
Hood ............................................... 592
Positioning a floor jack ............ 593
Engine compartment ............... 594
Tires ................................................. 604
Tire inflation pressure ................613
Wheels .............................................616
Air conditioning filter ................ 618
Windshield wiper inserts ..........621
Electronic key battery.............. 623
Checking and replacing
fuses.............................................. 625
Headlight aim .............................. 628
Light bulbs .................................... 630 8-1. Essential information
Emergency flashers .................. 644
If your vehicle has
to be stopped in
an emergency .......................... 645
8-2. Steps to take in
an emergency
If your vehicle needs
to be towed ............................... 646
If you think something is
wrong........................................... 652
Fuel pump shut off system...... 653
If a warning light turns
on or a warning buzzer
sounds ......................................... 654
If a warning message is
displayed ......................................661
If you have a flat tire .................. 666
If the engine will not start ........ 682
If the electronic key does
not operate properly ............. 684
If the vehicle battery is
discharged................................. 687
If your vehicle overheats......... 692
If the vehicle becomes
stuck ............................................. 6957
Maintenance and care 8
When trouble arises

11
RX350/RX350L_U The SRS airbag and seat belt pretensioner devices in your Lexus contain explosive
chemicals. If the vehicle is scrapped with th e airbags and seat belt pretensioners left as
they are, this may cause an accident such as fire. Be sure to have the systems of the SRS
airbag and seat belt pretensioner removed and disposed of by a qualified service shop or
by your Lexus dealer befo re you scrap your vehicle.
Special handling may apply, See www.dt sc.ca.gov/hazardouswaste/perchlorate.
Your vehicle has components that may contain perchlorate. These components may
include airbag, seat belt pretensioners, and wireless remote control batteries.Scrapping of your Lexus
Perchlorate Material WARNING ■
General precautions while driving
Driving under the influence: Never drive your vehicle when under the influence of
alcohol or drugs that have impaired your ability to operate your vehicle. Alcohol and
certain drugs delay reaction time, impair judgment and reduce coordination, which
could lead to an accident that could result in death or serious injury.
Defensive driving: Always driv e defensively. Anticipate mistakes that other drivers or
pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full attention to drivin g. Anything that distracts the
driver, such as adjusting controls, talking on a cellular phone or reading can result in a
collision with resulting death or serious in jury to you, your occupants or others.■
General precaution rega rding children’s safety
Never leave children unattended in the vehicl e, and never allow child ren to have or use
the key.
Children may be able to start the vehicle or sh ift the vehicle into neutral. There is also a
danger that children may injure themselves by playing with the windows, the moon roof
or panoramic moon roof, or other features of the vehicle. In addition, heat build-up or
extremely cold temperatures inside the vehicle can be fatal to children.

14
RX350/RX350L_U Pictorial index
Pictorial index ■ Exterior
The shape of the lights may differ depending on the grade, etc.
Side doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 124Locking/unlocking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 124
Opening/closing the side windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 187
Locking/unlocking by using the me chanical key . . . . . . . . . . . . . . . . . . . . . . . P. 684
Back door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 130Opening from inside the cabin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 131
Opening from outside . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 13 1
Outside rear view mirrors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 184 Adjusting the mirror angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 184
Folding the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 184, 185
Driving position memory
* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
Defogging the mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 513 *
1
2
3

54
RX350/RX350L_U 1-2. Child safety
●
It is recommended that children sit in the rear seats to avoid accidental con-
tact with the shift lever, wiper switch, etc. ●
Use the rear door child-pro tector lock or the window lock switch to avoid
children opening the door while driving or operating the power window acci-
dentally. ●
Do not let small children operate equipment which may catch or pinch body
parts, such as the power wind ow, hood, back door, seats etc.
Riding with children Observe the following precautions wh en children are in the vehicle.
Use a child restraint system appropriate for the child, until the child becomes
large enough to properly wear the vehicle’s seat belt.
WARNING
Never leave children unattended in the vehicl e, and never allow child ren to have or use
the key.
Children may be able to start the vehicle or sh ift the vehicle into neutral. There is also a
danger that children may injure themselves by playing with the windows, the moon roof
or panoramic moon roof, or other features of the vehicle. In addition, heat build-up or
extremely cold temperatures inside the vehicle can be fatal to children.

74
RX350/RX350L_U 1-3. Theft deterrent system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled. ■
System maintenance
The vehicle has a maintenance-free type engine immobilizer system. ■
Conditions that may cause the system to malfunction ●
If the grip portion of the key is in contact with a metallic object●
If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponder chip) of another vehicleEngine immobilizer system The vehicle’s keys have built-in tran sponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help preven t vehicle theft but does not guarantee
absolute security agai nst all vehicle thefts.

771-3. Theft deterrent system
1
For safety and security
RX350/RX350L_U The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:●
A locked door is unlocked or opened in any way other than using the entry
function, wireless remote control or mech anical key. (The doors will lock again
automatically.) ●
The hood is opened.
Close the doors and hood, and lock all
the doors. The system will be set auto-
matically after 30 seconds. The indicator light changes from being
on to flashing when the system is set.
Do one of the following to de activate or stop the alarms:●
Unlock the doors. ●
Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. (The alarm will be deactivat ed or stopped after a few seconds.)■
System maintenance
The vehicle has a maintenance-free type alarm system. ■
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing: ●
Nobody is in the vehicle. ●
The windows and moon roof or panoramic mo on roof are closed before the alarm is
set. ●
No valuables or other personal items are left in the vehicle.Alarm The alarm
Setting the alarm system
Deactivating or stopping the alarm

119
3 Operation of
each component
RX350/RX350L_U 3-1. Key information
Keys .................................................. 120
3-2. Opening, closing and
locking the doors
Side doors .......................................124
Power back door ........................ 130
Smart access system with
push-button start ...................... 146
3-3. Adjusting the seats
Front seats...................................... 156
Rear seats........................................157
Driving position memory .......... 172
Head restraints ............................. 177
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 180
Inside rear view mirror ............. 182
Outside rear view mirrors....... 184
3-5. Opening, closing the
windows and moon roof
Power windows ........................... 187
Moon roof ........................................ 191
Panoramic moon roof ............... 195

120
RX350/RX350L_U 3-1. Key information
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart access sys-
tem with push-button start
(  P. 146)
• Operating the wireless remote
control function
Mechanical keys
Key number plate
Locks all the doors (  P. 124)
Unlocks all the doors (  P. 124)
Opens the windows
* 2
and the
moon roof
* 1, 2
or panoramic moon
roof
* 1, 2
(  P. 124)
Opens and closes the power back
door (  P. 130)
Sounds the alarm (  P. 121)
* 1
: If equipped
* 2
: This setting must be custom ized at your Lexus dealer.Keys The keys 1
2
3
Wireless remote control 1
2
3
4
5

1213-1. Key information
3
Operation of each component
RX350/RX350L_U To take out the mechanical key, push
the release button and take the key out. The mechanical key can only be
inserted in one direction, as the key only
has grooves on one side. If the key can-
not be inserted in a lock cylinder, turn it
over and re-attempt to insert it.
After using the mechanical key, store it
in the electronic ke y. Carry the mechan-
ical key together with the electronic key.
If the electronic key battery is depleted
or the entry function does not operate
properly, you will need the mechanical
key. (  P. 684)■
Panic mode
■
When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. (  P. 530)
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only. ■
If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle.■
When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons on the electronic key while inside the airc raft cabin. If you are carrying an electronic
key in your bag, etc., ensure that the butt ons are not likely to be pressed accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft.Using the mechanical key
When is pressed for longer than about
one second, an alarm will sound intermittently
and the vehicle lights will flash to deter any per-
son from trying to break into or damage your
vehicle.
To stop the alarm, press any button on the elec-
tronic key.