key LEXUS RX350 2015 Workshop Manual

Maintenance and care
4
6494-1. Maintenance and care
Cleaning and protecting
the vehicle exterior............. 650
Cleaning and protecting
the vehicle interior .............. 653
4-2. Maintenance
Maintenance
requirements ........................ 656
General maintenance .......... 659
Emission inspection and
maintenance (I/M)
programs................................ 663 4-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions ........................... 664
Hood ........................................... 667
Positioning a floor jack ......... 668
Engine compartment ............ 670
Tires............................................ 684
Tire inflation pressure........... 693
Wheels ....................................... 697
Air conditioning filter ........... 699
Electronic key battery........... 701
Checking and replacing
fuses ........................................ 703
Headlight aim ........................... 716
Light bulbs ................................. 719

7014-3. Do-it-yourself maintenance
4
Maintenance and care Electronic key battery Replace the battery with a new one if it is discharged.
■ You will need the following items:
● Flathead screwdriver
● Small Phillips-head sc rewdriver
● Lithium battery (CR1632)
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.STEP 1
STEP 2
STEP 3

7024-3. Do-it-yourself maintenance
■
Use a CR1632 lithium battery ●
Batteries can be purchased at your Le xus dealer, local electrical appliance
shops or camera stores.●
Replace only with the same or equivalent type recommended by the manufac-
turer.●
Dispose of used batteries according to the local laws.■
If the electronic key battery is discharged
The following symptoms may occur: ●
The smart access system with push-button start and wireless remote control will
not function properly.●
The operational range is reduced.■
When 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■
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep
away from children. Failure to do so could result in death or serious injury.
NOTICE■
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●
Always work with dry hands.
Moisture may cause the battery to rust.
●
Do not touch or move any other comp onents inside the remote control.
●
Do not bend either of the battery terminals.

When trouble arises
5
7335-1. Essential information
Emergency flashers............... 734
If your vehicle needs to be
towed ...................................... 735
If you think something is
wrong ....................................... 742
Fuel pump shut off system.... 743 5-2. Steps to take in an
emergency
If a warning light turns
on or a warning buzzer
sounds... .................................. 744
If a warning message is
displayed................................ 754
If you have a flat tire................ 774
If the engine will not start .... 789
If the shift lever cannot be
shifted from P ......................... 791
If you lose your keys .............. 792
If the electronic key does
not operate properly.......... 793
If the vehicle battery is
discharged ............................. 796
If your vehicle overheats ..... 799
If the vehicle becomes
stuck........................................ 802
If your vehicle has to
be stopped in an
emergency ............................ 804

7385-1. Essential information
Emergency towing
If a tow truck is not available in an emergency, your vehicle may be tem-
porarily towed using a cable or chain secured to the emergency towing
eyelet. This should only be attemp ted on hard, surfaced roads for 50
miles (80 km) at under 18 mph (30 km/h).
A driver must be in the vehicle to s teer and operate the brakes. The vehi-
cle’s wheels, drive train, axles, steering and brakes must be in good condi-
tion.
Emergency towing procedure
Take out the towing eyelet. (  P. 7 74 )
Type A
Insert the mechanical key (  P. 31)
into the groove and release the
claws. With the mechanical key
inserted, remove the eyelet cover
by pulling it towards you.
Type B
Insert the mechanical key (  P. 31)
into the groove and release the
claws. With the mechanical key
inserted, remove the eyelet cover
by pulling it towards you. STEP 1
STEP 2
STEP 2

7665-2. Steps to take in an emergency
Have the malfunction repaired immediately
After taking the specified steps to co rrect 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 e Details Correction
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
7675-2. 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.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

7685-2. Steps to take in an emergency
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.
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. • Shift the shift
lever to P.
• Bring the elec-
tronic key back
into the vehicle.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure

5
When trouble arises
7695-2. 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 e Details Correction
procedure

7705-2. Steps to take in an emergency
Sounds
once 
(Flashes) •When the doors
were unlocked
with the
mechanical key
and then the
“ENGINE
START STOP”
switch was
pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic
key could not be
detected in the
vehicle even
after the
“ENGINE
START STOP”
switch was
pressed two
consecutive
times. Touch the elec-
tronic key to the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
Sounds
once 
(Flashes) An attempt was
made to start the
engine with the
shift lever in an
incorrect position. Shift the shift lever
to P and start the
engine.Interior
buzzer Exterior
buzzer Wa r n i n g m e s s a g e Details Correction
procedure