key LEXUS RX350 2011 Workshop Manual

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.

556
5-2. Steps to take in an emergency
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check
that the warning message and light go off.
Interior
buzzer Exterior
buzzer
Wa r n i n g m e s s a g eDetailsCorrection
procedure

Sounds
once
⎯
(Flashes)
The electronic key
is not detected
when an attempt
is made to start
the engine.
Confirm the loca-
tion of the elec-
tronic key.

Sounds
once Sounds
3 times
(Flashes)
The electronic key
was carried out-
side the vehicle
and a door other
than the driver's
door was opened
and closed while
the “ENGINE
START STOP”
switch was in a
mode other than
off.
Bring the elec-
tronic key back
into the vehicle.
The driver's door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
in P and the
“ENGINE START
STOP” switch was
not turned off.
Tu r n t h e
“ENGINE START
STOP” switch off
or bring the elec-
tronic key back
into the vehicle.

5

When trouble arises
557
5-2. Steps to take in an emergency
Sounds
once Sounds
once
(Displayed alternately)
(Flashes)
An attempt was
made to exit the
vehicle with the
electronic key and
lock the doors
without first turn-
ing the “ENGINE
START STOP”
switch off.
Tu r n t h e
“ENGINE START
STOP” switch off
and lock the
doors again.

Sounds
once
⎯
(Flashes)
An attempt was
made to start the
engine without
the electronic key
being present, or
the electronic key
was not function-
ing normally.
An attempt was
made to drive
when the regular
key was not inside
the vehicle.
Confirm that the
electronic key is
inside the vehicle.

Con-
tinuous
⎯
(Flashes)
The driver’s door
was opened when
the shift lever was
not in P and the
“ENGINE START
STOP” switch was
not turned off.
Shift the shift lever
to P.
Interior
buzzer Exterior
buzzer
Wa r n i n g m e s s a g eDetailsCorrection
procedure

558
5-2. Steps to take in an emergency
Con-
tinuous Con-
tinuous
(Displayed alternately)
(Flashes)
The driver's door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
not in P and the
“ENGINE START
STOP” switch was
not turned off.

5

When trouble arises
559
5-2. Steps to take in an emergency

Sounds
once Con-
tinuous
(Flashes)
An attempt was
made to lock the
doors using the
smart access sys-
tem with push-
button start while
the electronic key
was still inside the
vehicle.
Retrieve the elec-
tronic key from
the vehicle and
lock the doors
again.
An attempt was
made to lock
either front door
by opening a door
and putting the
inside lock button
into the lock posi-
tion, then closing
the door by pull-
ing on the outside
door handle with
the electronic key
still inside the
vehicle.
Interior
buzzer Exterior
buzzer
Wa r n i n g m e s s a g eDetailsCorrection
procedure

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

562
5-2. Steps to take in an emergency
Sounds
once
⎯
(Flashes)
The driver's door
was opened and
closed with the
“ENGINE START
STOP” switch
turned off and
then the
“ENGINE START
STOP” switch was
put in ACCES-
SORY mode
twice without the
engine being
started.
Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
During an engine
starting proce-
dure in the event
that the elec-
tronic key was not
functioning prop-
erly (→P. 5 8 1 ) ,
the “ENGINE
START STOP”
switch was
touched with the
electronic key.
Press the
“ENGINE START
STOP” switch
within 10 seconds
of the buzzer
sounding.
Interior
buzzer Exterior
buzzer
Wa r n i n g m e s s a g eDetailsCorrection
procedure

580
5-2. Steps to take in an emergency
If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other
keys and the key number stamped on your key number plate.

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.