battery LEXUS RX350 2016 User Guide

142 3-2. Opening, closing and locking the doors
RX350_U_OM48E90U WA R N I N G ■
Back door closer
●
Use caution when using the back door closer as it still operates when the power back
door system is disabled. ■
Power back door
Observe the following precautions when operating the power back door.
Failure to do so may cause death or serious injury. ●
Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of your belongings to get caught. ●
If anyone is in the vicinity, make sure they are safe and let them know that the power
back door is about to open or close. ●
If the power back door system is disabled (  P. 100) while the power back door is
operating, the power back door will stop operating. The power back door must then
be operated manually. Take extra care in this situation, as the power back door may
open or close suddenly. ●
If the operating conditions of the power back door (  P. 135) are no longer met, a
buzzer may sound and the power back door may stop opening or closing. The power
back door must then be operated manually. Take extra care on an incline in this situa-
tion, as the power back door may move suddenly. ●
On an incline, the power back door may suddenly shut after it opens. Make sure the
power back door is fully open and secure. ●
In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the power back door must then be
operated manually. Take extra care in this situation, as the stopped power back door
may suddenly open or close, causing an accident.
• When the power back door contacts an obstacle
• When the battery voltage suddenly drops, such as when the engine switch is
turned to IGNITION ON mode or the engine is started during automatic opera-
tion ●
In the event that the power back door is left
slightly open, th e back door closer will auto-
matically close it to the fully closed position. It
takes several seconds before the back door
closer begins to operate. Be careful not to get
fingers caught or anything else in the power
back door, as this may cause bone fractures
or other serious injuries.

1473-2. Opening, closing and locking the doors
3
Operation of each component
RX350_U_OM48E90U ■
Alarms and warning messages
A combination of exterior and interior alarms as well as warning messages shown on the
multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes-
sage on the multi-information display. (  P. 6 4 1 )
The following table describes circumstance s and correction procedures when only
alarms are sounded.
■
If a warning message is displayed indicating that there is a malf unction in the smart
access system with push-button start
 P. 6 4 1 ■
Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key bat-
tery and the battery from being discharged wh ile the vehicle is not in operation for a long
time. ●
In the following situations, the smart access system with push-button start may take
some time to unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of the outside
of the vehicle for 10 minutes or longer.
• The smart access system with push-butto n start has not been used for 5 days or
longer. ●
If the smart access system with push-butto n start has not been used for 14 days or
longer, the doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s door handle, or us e the wireless remote control or the mechan-
ical key, to unlock the doors. Alarm Situation Correction procedure
Exterior alarm
sounds once for 5
seconds An attempt was made to lock
the vehicle while a door was
open. Close all of the doors and
lock the doors again.
Interior alarm pings
repeatedly The engine switch was turned to
ACCESSORY mode while the
driver’s door was open (The
driver’s door was opened when
the engine switch was in
ACCESSORY mode). Turn the engine switch off
and close the driver’s door.

148 3-2. Opening, closing and locking the doors
RX350_U_OM48E90U ■
Electronic Key battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
■
Conditions affe cting operation
The smart access system with push-button start, wireless remote control and engine
immobilizer system use weak radio waves. In the following situatio ns, the communication
between the electronic key and the vehicle ma y be affected, preventing the smart access
system with push-button start, wireless remote control and engine immobilizer system
from operating properly. (Ways of coping:  P. 6 6 1 )●
When the electronic key battery is depleted ●
Near a TV tower, electric powe r plant, gas station, radio stat ion, large display, airport or
other facility that generates strong radio waves or electrical noise ●
When the electronic key is in contact wi th, or is covered by the following metallic
objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
•Hand warmers made of metal
• Media such as CDs and DVDs ●
When other wireless keys (that emit radio waves) are being used nearby ●
When carrying the electronic key together with the following devices that emit radio
waves
• Portable radio, cellular phone, cordless phone or other wireless communication
devices
• Another vehicle’s electronic key, another el ectronic key of your vehicle, or a wireless
key that emits radio waves
• Personal computers or person al digital assistants (PDAs)
• Digital audio players
• Portable game systems ●
If window tint with a metallic content or me tallic objects are attached to the rear win-
dow ●
When the electronic key is placed near a battery charger or electronic devicesPress twice while pressing and holding .
Confirm that the electronic key indicator flashes
4 times.
While the battery-saving mode is set, the smart
access system with push-button start cannot be
used. To cancel the function, press any of the
electronic key buttons.

1493-2. Opening, closing and locking the doors
3
Operation of each component
RX350_U_OM48E90U ■
Note for the entry function ●
Even when the electronic key is within the effective range (detection areas), the system
may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near the
ground, or in a high place when the doors are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear
bumper center when the back door is opened.
• The electronic key is on the instrument pa nel, luggage compartment, floor, or in the
door pockets or glove box when the engine is started or engine switch modes are
changed. ●
Do not leave the electronic key on top of th e instrument panel or near the door pockets
when exiting the vehicle. Depending on the radio wave reception conditions, it may be
detected by the antenna outs ide the cabin and the door will become lockable from the
outside, possibly trapping the el ectronic key inside the vehicle.●
As long as the electronic key is within the effective range, the doors may be locked or
unlocked by anyone. ●
Even if the electronic key is not inside the vehicle, it may be possible to start the engine
if the electronic key is near the window. ●
The doors may unlock if a large amount of wa ter splashes on the door handle, such as in
the rain or in a car wash when the electronic key is within the effective range. (The door
will automatically be locked after approximately 60 seconds if the doors are not
opened and closed.) ●
If the wireless remote control is used to lo ck the doors when the electronic key is near
the vehicle, there is a possibility that the door may not be unlocked by the entry func-
tion. (Use the wireless remote control to unlock the doors.) ●
Touching the door lock sensor while wearin g gloves may delay or prevent lock opera-
tion. Remove the gloves and touch the lock sensor again. ●
When the lock operation is performed using the lock sensor, recognition signals will be
shown up to two consecutive times. After this, no recognition signals will be given.
*●
If the door handle becomes wet while the el ectronic key is within the effective range,
the door may lock and unlock repeatedly. In that case, follow the following correction
procedures to wash the vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle. (Take
care to ensure that the key is not stolen.)
• Set the electronic key to battery-saving mode to disable the smart access system
with push-button start. (  P. 1 4 8 )●
If the electronic key is insi de the vehicle and a door handle becomes wet during a car
wash, a message may be shown on the mult i-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors. ●
The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc.
Clean the lock sensor and attempt to operate it again. ●
A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.●
If there is another electronic key in the detection area, it may take slightly longer to
unlock the doors after the door handle is gripped.

1753-4. Adjusting the steering wheel and mirrors
3
Operation of each component
RX350_U_OM48E90U When the mirror select switch is in the “L” or “R” position, the outside rear view
mirrors will automatically angle downwards when the vehicle is reversing in
order to give a better view of the ground.
To disable this function, select neither “L” nor “R” of the mirror select switch. ■
Adjusting the mirror angle when the vehicle is reversing
With the shift lever in R, adjust the mirror angle at a desired position.
The adjusted angle will be memorized and the mirror will automatically tilt to
the memorized angle whenever the shift lever is shifted to R from next time. The memorized downward tilt position of the mirror is linked to the normal position
(angle adjusted with the shif t lever in other than R). Therefore, if the normal posi-
tion is changed after adjustment, th e tilt position will also change.
When the normal position is chang ed, readjust the angle in reversing.■
Mirror angle can be adjusted when
The engine switch is in ACCESSORY or IGNITION ON mode. ■
When disconnecting and reconn ecting battery terminals (v ehicles with an automatic
folding/extending mirror function)
The automatic folding/extending mirror function will return to off as default. To turn the
function on, press the switch again to select on. ■
When the mirrors are fogged up
The outside rear view mirrors can be cleare d using the mirror defoggers. Turn on the
rear window defogger to turn on the outside rear view mirror defoggers. (  P. 5 0 0 )■
Automatic adjustment of the mirror angle (if equipped)
A desired mirror face angle can be entered to memory and recalled automatically by the
driving position memory. (  P. 1 6 2 )■
Auto anti-glare function (if equipped)
When the anti-glare inside rear view mirror is set to automatic mode, the outside rear
view mirrors will activate in conjunction with the anti-glare inside rear view mirror to
reduce reflected light. (  P. 1 7 1 )■
Using automatic mode in cold weather (if equipped)
When automatic mode is used in cold weather, the door mirror could freeze up and
automatic stowing and return may not be possible. In this case, remove any ice and snow
from the door mirror, then either operate th e mirror using manual mode or move the mir-
ror by hand. ■
Customization
Some functions can be customized. (  P. 6 9 9 )Linked mirror function when reversing

1793-5. Opening, closing the windows and moon roof
3
Operation of each component
RX350_U_OM48E90U ■
Door lock linked window operation ●
The power windows can be opened an d closed using the mechanical key.
* (  P. 6 6 2 )●
The power windows can be opened us ing the wireless remote control.
* (
 P. 1 2 4 )
* : These settings must be cust omized at your Lexus dealer.■
Alarm
The alarm may be triggered if the alarm is set and a power window is closed using the
door lock linked power window operation function. (  P. 76 )■
When the battery is disconnected
The window lock switch is disabled. If nece ssary, press the window lock switch after
reconnecting the battery. ■
Power windows open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the engine switch is turned off and the driver’s door is opened with the
power windows open. ■
Customization
Some functions can be customized. (  P. 6 9 9 )

222 4-2. Driving procedures
RX350_U_OM48E90U ■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION ON
mode (the engine is not running) for more than an hour with the shift lever in P, the engine
switch will automatically turn off. However, this function cannot en tirely prevent battery
discharge. Do not leave the vehicle with the engine switch in ACCESSORY or IGNI-
TION ON mode for long periods of ti me when the engine is not running.■
Electronic key battery depletion
 P. 1 2 2 ■
Conditions affe cting operation
 P. 1 4 8 ■
Note for the entry function
 P. 1 4 9 ■
If the engine does not start ●
The engine immobilizer system may not have been deactivated. (  P. 74 )
Contact your Lexus dealer. ●
Check that the shift lever is securely set in P. The engine may not start if the shift lever is
displaced out of P. “To Start Vehicle, Put Shift Lever into P” will be displayed on the
multi-information display. ■
Steering lock
After turning the engine switch off and opening and closing the doors, the steering wheel
will be locked due to the stee ring lock function. Operating the engine switch again auto-
matically cancels the steering lock. ■
When the steering lock cannot be released
■
Steering lock motor overheating prevention
To prevent the steering lock motor from over heating, operation of the motor may be sus-
pended if the engine is turned on and off repeat edly in a short period of time. In this case,
refrain from operating the engine switch. After about 10 seconds, the steering lock
motor will resume functioning. ■
When “Access System with Elec. Key Malfunction See Owner’s Manual” is displayed
on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately.“Steering Wheel Lock Press Engine Switch
while Turning Wheel” will be displayed on the
multi-information display.
Check that the shift lever is in P. Press the
engine switch while turning the steering wheel
left and right.

2234-2. Driving procedures
4
Driving
RX350_U_OM48E90U ■
If the electronic key battery is depleted
 P. 6 0 3 ■
Operation of the engine switch ●
When operating the engine switch, one short, firm press is enough. If the switch is
pressed improperly, the engine may not start or the engine switch mode may not
change. It is not necessary to press and hold the switch. ●
If attempting to restart the engine immediat ely after turning the engine switch off, the
engine may not start in some cases. After tu rning the engine switch off, please wait a
few seconds before re starting the engine.■
If the smart access system with push-butto n start has been deactivated by a customized
setting
 P. 6 6 1
WA R N I N G ■
When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the accelerator
pedal while starting the engine under any circumstances.
Doing so may cause an accident resu lting in death or serious injury.■
Caution while driving
If engine failure occurs while the vehicle is moving, do not lock or open the doors until
the vehicle reaches a safe and complete stop. Activation of the steering lock in this cir-
cumstance may lead to an accident, re sulting in death or serious injury.■
Stopping the engine in an emergency
If you want to stop the engine in an emergency while driving the vehicle, press and hold
the engine switch for more than 2 seconds, or press it briefly 3 times or more in succes-
sion. (  P. 6 2 5 )
However, do not touch the engine switch while driving except in an emergency. Turning
the engine off while driving will not cause lo ss of steering or braking control, but the
power assist to these systems will be lost. Th is will make it more difficult to steer and
brake, so you should pull over and stop the vehicle as soon as it is safe to do so.

224 4-2. Driving procedures
RX350_U_OM48E90U NOTICE ■
To prevent battery discharge ●
Do not leave the engine switch in AC CESSORY or IGNITION ON mode for long
periods of time without the engine running. ●
If “ACCESSORY” or “IGNITION ON” is disp layed on the meters while the engine is
not running, the engine switch is not off. Exit the vehicle after turning the engine
switch off. ●
Do not stop the engine when the shift lever is in a position other than P. If the engine is
stopped in another shift lever position, the engine switch will not be turned off but
instead be turned to ACCESSORY mode. If the vehicle is left in ACCESSORY
mode, battery discharge may occur. ■
When starting the engine ●
Do not race a cold engine. ●
If the engine becomes difficult to start or stalls frequently, have your vehicle checked
by your Lexus dealer immediately. ■
Symptoms indicating a malfun ction with the engine switch
If the engine switch seems to be operating somewhat differently than usual, such as the
switch sticking slightly, there may be a malf unction. Contact your Lexus dealer immedi-
ately.

244 4-3. Operating the lights and wipers
RX350_U_OM48E90U ■
Windshield wiper linked headlight illumination
When driving during daytime with the headlight switch tu rned to , if the windshield
wipers are used, the headlight s will turn on automatically after several seconds to help
enhance the visibility of your vehicle. ■
Battery-saving function
In order to prevent the battery of the vehicle from discharging, if the headlights and/or tail
lights are on when the engine switch is turned off the battery saving function will operate
and automatically turn off all the lights afte r approximately 20 minutes. When the engine
switch is turned to IGNITION ON mode, the battery-saving function will be disabled.
When any of the following are performed, the battery-saving function is canceled once
and then reactivated. All the lights will turn off automatically 20 minutes after the bat-
tery-saving function has been reactivated: ●
When the headlight switch is operated ●
When a door is opened or closed ■
Customization
Some functions can be customized. (  P. 6 9 9 )
NOTICE ■
To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is off.