key battery LEXUS RX350 2011 User Guide

92
1-4. Opening and closing the windows and moon roof
nDoor lock linked window operation
lThe power windows can be opened and closed using the mechanical key.
(→P. 581)
lThe power windows can be opened using the wireless remote control. (→P. 4 3 )
nWhen the battery is disconnected
The window lock switch is disabled. If necessary, press the window lock switch after
reconnecting the battery.
nCustomization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features →P. 6 2 1 )
CAUTION
nClosing the windows
Observe the following precautions.
Failing to do so may result in death or serious injury.
lCheck to make sure that all passengers do not have any part of their body in a
position where it could be caught when a window is being operated.
lDo not allow children to operate the power windows.
Closing a power window on someone can cause serious injury, and in some
instances, even death.
nJam protection function
lNever use any part of your body to intentionally activate the jam protection func-
tion.
lThe jam protection function may not work if something gets caught just before
the window fully closes. Also, the jam protection does not operate when the
power window switch is pulled up continually to close the windows.

104
1-6. Theft deterrent system
nSystem maintenance
The vehicle has a maintenance-free type alarm system.
nItems to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
following:
lNobody is in the vehicle.
lThe windows and moon roof are closed before the alarm is set.
lNo valuables or other personal items are left in the vehicle.
nTr i g g e r i n g o f t h e a l a r m
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
nAlarm-operated door lock
lWhen the alarm is operating, the doors are locked automatically to prevent
intruders.
lDo not leave the key inside the vehicle when the alarm is operating, and make
sure the key is not inside the vehicle when recharging or replacing the battery.
lA person inside the vehicle opens a door
or the hood.
lThe battery is recharged or replaced when
the vehicle is locked.

155
2-1. Driving procedures
2

When driving
When stopping the engine with the shift lever in a position other than P
If the engine is stopped with the shift lever in a position other than P, the
“ENGINE START STOP” switch will not be turned off but instead be
turned to ACCESSORY mode. Perform the following procedure to turn
the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that the indicator on the “ENGINE START STOP” switch
is illuminated in amber and then press the “ENGINE START
STOP” switch once.
Check that the indicator on the “ENGINE START STOP” switch
is off.
nAuto power off function
When the shift lever is in P, if the vehicle is left in ACCESSORY or IGNITION ON
mode with the engine not running for more than 20 minutes (ACCESSORY mode)
or one hour (IGNITION ON mode), the “ENGINE START STOP” switch will auto-
matically turn off. However, this function cannot entirely prevent battery discharge.
Do not leave the vehicle with the “ENGINE START STOP” switch in ACCESSORY
or IGNITION ON mode for long periods of time when the engine is not running.
nOperation of the “ENGINE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to press
and hold the switch.
nElectronic key battery depletion
→P. 3 9
nConditions affecting operation
→P. 3 6
nNote for the entry function
→P. 3 1
STEP1
STEP2
STEP3
STEP4

156
2-1. Driving procedures
nIf the engine does not start
The engine immobilizer system may not have been deactivated. (→P. 1 0 1 )
nSteering lock
After turning the “ENGINE START STOP” switch off and opening and closing the
doors, the steering wheel will be locked due to the steering lock function. Operat-
ing the “ENGINE START STOP” switch again automatically cancels the steering
lock.
nWhen the steering lock cannot be released
nSteering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended
if the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine. After about 2 seconds, the steering lock motor
will resume functioning.
nWhen the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
nIf the electronic key battery is depleted
→P. 4 9 6
The green indicator light on the “ENGINE
START STOP” switch will flash and a mes-
sage will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.

188
2-3. Operating the lights and windshield wipers
nAutomatic light off system
lWhen the headlights come on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the “ENGINE START STOP” switch is
turned to ACCESSORY mode or turned off. (The lights turn off immediately
if on the key is pressed after all the doors are locked.)
lWhen only the tail lights come on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is turned to ACCESSORY mode or turned off
and the driver’s door is opened.
To turn the lights on again, turn the “ENGINE START STOP” switch to IGNITION
ON mode, or turn the light switch off once and then back to or .
nAutomatic headlight leveling system (if equipped)
The level of the headlights is automatically adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
nIf the “AFS OFF” indicator flashes
It may indicate a malfunction in the system. Contact your Lexus dealer.
nCustomization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features →P. 6 2 1 )
NOTICE
nTo prevent the battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

398
3-5. Using the interior lights
nIlluminated entry system
The lights automatically turn on/off according to “ENGINE START STOP” switch
mode, the presence of the electronic key, whether the doors are locked/unlocked,
and whether the doors are open/closed.
nTo prevent battery discharge
If the interior lights remain on when the door is not fully closed and the interior light
switch (door position on/ off) is on, the lights will go off automatically after 20 min-
utes.
nCustomization
Settings (e.g. the time elapsed before the lights turn off) can be changed. (Custom-
izable features →P. 6 2 1 )
Pe r s o n a l l i g h t s

496
4-3. Do-it-yourself maintenance
Electronic key battery
Replace the battery with a new one if it is depleted.
nYou will need the following items:
lFlathead screwdriver
lSmall Phillips-head screwdriver
lLithium battery (CR1632)
nReplacing the battery
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
STEP1
STEP2
STEP3

497
4-3. Do-it-yourself maintenance
4

Maintenance and care
nUse a CR1632 lithium battery
lBatteries can be purchased at your Lexus dealer, local electrical appliance
shops or camera stores.
lReplace only with the same or equivalent type recommended by the manufac-
turer.
lDispose of used batteries according to the local laws.
nIf the electronic key battery is discharged
The following symptoms may occur:
lThe smart access system with push-button start and wireless remote control will
not function properly.
lThe operational range is reduced.
nWhen the card key battery needs to be replaced (if equipped)
The battery for the card key is available only at Lexus dealers. Your Lexus dealer
can replace the battery for you.
CAUTION
nRemoved battery and other parts
Keep away from children. These parts are small and if swallowed by a child, they can
cause choking. Failure to do so could result in death or serious injury.
NOTICE
nFor normal operation after replacing the battery
Observe the following precautions to prevent accidents:
lAlways work with dry hands.
Moisture may cause the battery to rust.
lDo not touch or move any other components inside the remote control.
lDo not bend either of the battery terminals.

5

When trouble arises
561
5-2. Steps to take in an emergency
Sounds
once
⎯
(Flashes)
An attempt was
made to turn the
“ENGINE START
STOP” switch off
when the shift
lever was not in P.
To turn off the
engine, first shift
the shift lever to P
and then turn the
“ENGINE START
STOP” switch off.
⎯⎯
Po w e r w a s t u r n e d
off due to the
automatic power
off function.
Next time when
starting the
engine, increase
the engine speed
slightly and main-
tain that level for
approximately 5
minutes to
recharge the bat-
tery.

Sounds
once
⎯The electronic key
has a low battery.
Replace the elec-
tronic key battery.
(→P. 4 9 6 )
Interior
buzzer Exterior
buzzer
Wa r n i n g m e s s a g eDetailsCorrection
procedure

5

When trouble arises
581
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key (→P. 2 7 )
in order to perform the following
operations (driver’s door only):
Locks all the doors
Closes the windows and moon
roof (turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
If communication between the electronic key and vehicle is interrupted
(→P. 36) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors can be opened or
the engine can be started by following the procedure below.