key LEXUS RX350 2016 Repair Manual

6638-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the engine switch. When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in
customization setting, the engine switch
will turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the multi-
information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.Starting the engine 1
2
3
4

664 8-2. Steps to take in an emergency
RX350_U_OM48E90U ■
Stopping the engine
Shift the shift lever to P, set the parking br ake, and press the engine switch as you nor-
mally do when stop ping the engine.■
Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. (  P. 6 0 3 )■
Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is pressed.
(  P. 221) ■
When the electronic key does not work properly ●
Make sure that the smart access system wi th push-button start has not been deacti-
vated in the custom ization setting. If it is off, turn the function on.
(Customizable features  P. 699)●
Check if battery-saving mo de is set. If it is se t, cancel the function. (  P. 1 4 8 )
WA R N I N G ■
When using the mechanical key and operating the power windows or the moon roof
or panoramic moon roof
Operate the power window or the moon roof or panoramic moon roof after checking
to make sure that there is no possibility of any passenger ha ving any of their body parts
caught in the window or the moon roof or panoramic moon roof.
Also, do not allow children to operate the mech anical key. It is possible for children and
other passengers to get caught in the powe r window or the moon roof or panoramic
moon roof. 3

6658-2. Steps to take in an emergency
8
When trouble arises
RX350_U_OM48E90U If you have a set of jumper (or booster) cables and a second vehicle with a bat-
tery, you can jump start your vehicle by following the steps below.
Confirm that the electronic key is
being carried. When connecting the jumper (or
booster) cables, depending on the situa-
tion, the alarm may activate and doors
locked. (
 P. 77)
Open the hood (  P. 5 7 2 )
Connect the jumper cables according to the following procedure:
Connect a positive jumper cable clamp to the positive (+) battery terminal
on your vehicle.
Connect the clamp on the other end of the positive cable to the positive (+)
battery terminal on the second vehicle.
Connect a negative cable clamp to the negative (-) battery terminal on the
second vehicle.If the vehicle battery is discharged The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus dealer or a qualified repair shop. 1
2
3
1
2
3

666 8-2. Steps to take in an emergency
RX350_U_OM48E90U Connect the clamp at the other end of the negative cable to a solid, station-
ary, unpainted metallic point away from the battery and any moving parts,
as shown in the illustration.
Start the engine of the second vehicle. Increase the engine speed slightly and
maintain at that level for approximately 5 minutes to recharge the battery of
your vehicle.
Open and close any of the doors of your vehicle with the engine switch off.
Maintain the engine speed of the second vehicle and start the engine of your
vehicle by turning the engine switch to IGNITION ON mode.
Once the vehicle’s engine has started, remove the jumper cables in the exact
reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at your Lexus dealer as soon
as possible. ■
Starting the engine when the battery is discharged
The engine cannot be started by push-starting. ■
To prevent battery discharge ●
Turn off the headlights and the audio system while the engine is off. ●
Turn off any unnecessary electrical components when the vehicle is running at a low
speed for an extended period, such as in heavy traffic. ■
Charging the battery
The electricity stored in the battery will discharge gradually even when the vehicle is not
in use, due to natural discharg e and the draining effects of certain electrical appliances. If
the vehicle is left for a long time, the battery may discharge, and the engine may be
unable to start. (The battery recharges automatically during driving.) ■
When the battery is removed or discharged ●
In some cases, it may not be possible to unlock the doors using the smart access system
with push-button start when the battery is discharged. Use the wireless remote control
or the mechanical key to lock or unlock the doors. ●
The engine may not start on the first attempt after the battery has recharged but will
start normally after the second attempt. This is not a malfunction. ●
The engine switch mode is memorized by the vehicle. When the battery is recon-
nected, the system will return to the mode it was in before the battery was discharged.
Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery discharged, be
especially careful when reconnecting the battery. ●
The power back door must be initialized. (  P. 1 3 8 )4
4
5
6
7

7019-2. Customization
9
Vehicle specifications
RX350_U_OM48E90U ■
Door lock (  P. 124, 661) Function Default setting Customized setting
Unlocking using a mechanical
key Driver’s door
unlocked in one
step, all doors
unlocked in two
step All doors unlocked
in one step — O
Automatic door locking function Shift position
linked door locking
operation Off
O O
Speed linked door
locking operation
Automatic door unlocking func-
tion Shift position
linked door
unlocking opera-
tion Off
O ODriver’s door
linked door
unlocking opera-
tion 1 2

706 9-2. Customization
RX350_U_OM48E90U ■
Power windows, and moon roof
* or panoramic moon roof
*
(  P. 177, 181, 185)
* : If equipped■
Moon roof
* (  P. 181)
* :If equipped Function Default setting Customized setting
Mechanical key linked operation Off On — O
Wireless remote control linked
operation Off On (open only) — O
Wireless remote control linked
operation signal (buzzer) On Off — O 1 2
Function Default setting Customized setting
Linked operation of components
when mechanical key is used
(open only) Slide only Tilt only — O
Linked operation of components
when wireless remote control is
used Slide only Tilt only — O 1 2

710 9-2. Customization
RX350_U_OM48E90U ■
Illumination (  P. 5 0 8 )
* : If equipped Function Default setting Customized setting
Time elapsed before the interior
lights turn off 15 seconds Off
O O7. 5 s e c o n d s
30 seconds
Operation after the engine
switch is turned off On Off — O
Operation when the doors are
unlocked On Off — O
Operation when you approach
the vehicle with the electronic
key on your person On Off — O
Footwell lights and front center
console light On Off — O
Instrument panel ornament
light
* and door trim ornament
lights
* On Off — O
Time elapsed before the outer
foot lights turn off 15 seconds Off
O O7. 5 s e c o n d s
30 seconds
Operation of the outer foot lights
when you approach the vehicle
with the electronic key on your
person On Off — O
Operation of the outer foot lights
when the doors are unlocked
with the power door lock switch On Off — O
Operation of the outer foot lights
when a door is opened On Off — O
Fading out of the outer foot lights
when they turn off Long Short — O 1 2

728
RX350_U_OM48E90U 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 2 1 )●
If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (  P. 1 2 3 )●
Is the electronic key battery weak or depleted? (  P. 6 0 3 )●
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (  P. 221)●
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 4 8 )
●
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 2 7 )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

729What to do if... (Troubleshooting)
RX350_U_OM48E90U ●
Did you press the engine switch while firmly depressing the brake pedal?
(  P. 220)●
Is the shift lever in P? (  P. 2 2 2 )●
Is the electronic key anywhere detectable inside the vehicle? (  P. 1 4 6 )●
Is the steering wheel unlocked? (  P. 222)●
Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (  P. 6 6 3 )●
Is the battery discharged? (  P. 6 6 5 )●
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode (  P. 6 6 0 )●
It is locked automatically to prevent theft of the vehicle. (  P. 222)
●
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 7 7 )
●
The auto power off function will be operated if the vehicle is left in
ACCESSORY or IGNITION ON mode (the engine is not operating) for a
period of time. (  P. 222)If you think something is wrong The engine 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 engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

734 Alphabetical index
RX350_U_OM48E90U BSM (Blind Spot Monitor)................ 355
Blind Spot Monitor function ........ 359
Rear Cross Traffic Alert
function ................................................363
Care
Aluminum wheels ..............................557
Exterior................................................... 556
Interior ...................................................... 561
Seat belts ................................................562
Self-restoring coat ............................ 556
Cargo capacity...........................200, 674
Cargo hooks ........................................... 518
Cargo net hooks .................................... 518
CD player ................................................ 422
Chains ........................................................ 381
Child restraint system............................ 57
Booster seats installation...................66
Convertible seats installation .......... 64
Front passenger occupant
classification system ......................... 49
Infant seats definition ........................... 63
Infant seats installation ........................59
Installing CRS with LATCH
anchors ...................................................69
Installing CRS with seat belts .......... 63
Installing CRS with top tether
strap............................................................ 71
LATCH anchors ...................................69 Child safety .................................................56
Airbag precautions.............................. 39
Battery precautions ..............582, 667
Child restraint system......................... 57
How your child should
wear the seat belt ...............................32
Installing child restraints .................... 57
Moon roof precautions ....................184
Panoramic moon roof
precautions ........................................ 188
Power back door precautions......140
Power window lock switch............. 177
Power window precautions .......... 180
Rear door child-p rotectors ............ 127
Removed key battery
precautions .......................................604
Seat belt extender
precautions .......................................... 34
Seat belt precautions .......................... 34
Seat heater precautions ................ 505
Child-protectors .................................... 127
Cleaning ........................................ 556, 561
Aluminum wheels .............................. 557
Exterior ...................................................556
Interior .......................................................561
Seat belts................................................ 562
Clock ................................................. 85, 524
Coat hooks ............................................. 535
Compass ................................................. 543
Condenser ...............................................579
Console box ............................................. 513
Consumption screen ..................... 93, 113C