2011 Lexus IS F key

4Maintenance and care
349
IS F_EE
4-1. Maintenance and care
Cleaning and protecting
the vehicle exterior ........ 350
Cleaning and protecting
the vehicle interior ......... 353
4-2. Maintenance
Maintenance
requirements .................. 3564-3. Do-it-yourself
maintenance
Do-it-yourself service
precautions..................... 359
Hood ................................ 362
Positioning a floor jack .... 363
Engine compartment ........ 365
Tires ................................. 378
Tire inflation pressure ...... 381
Wheels ............................. 383
Air conditioning filter ...... 385
Electronic key battery ...... 388
Checking and replacing
fuses ............................... 390
Light bulbs ....................... 404

390
4-3. Do-it-yourself maintenance
IS F_EE
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 screwdriver
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.
STEP1
STEP2
STEP3

391
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS F_EE
If the electronic key battery is discharged
The following symptoms may occur.
The smart entry & start system and wireless remote control will not
function properly.
The operational range is reduced.
Use a CR1632 lithium battery
Batteries can be purchased at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional, jewelers, or camera
stores.
Replace only with the same or equivalent type recommended by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Dispose of used batteries according to the local laws.
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
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.
Certification for the smart entry & start system
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCOR-
RECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE
INSTRUCTIONS.

5When trouble arises
415
IS F_EE
5-1. Essential information
Emergency flashers .......... 416
If your vehicle needs to be
towed.............................. 417
If you think something is
wrong ............................. 423
Fuel pump shut off
system ............................ 4245-2. Steps to take in an
emergency
If a warning light turns
on or a warning buzzer
sounds... ........................ 425
If a warning message is
displayed ........................ 431
If you have a flat tire........ 444
If the engine will not start 454
If the shift lever cannot be
shifted from P ................ 456
If you lose your keys ....... 457
If the electronic key does
not operate properly....... 458
If the vehicle battery is
discharged ...................... 462
If your vehicle overheats . 465
If the vehicle becomes
stuck............................... 468
If your vehicle has to
be stopped in an
emergency...................... 469

440
5-2. Steps to take in an emergency
IS F_EE
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Once
(Comes on for 10 sec-
onds.)
Indicates that an
attempt was
made to start the
engine without
the electronic
key being pres-
ent, or the elec-
tronic key was
not functioning
normally.
Start the engine
with the elec-
tronic key
present.
*
Once3
times
(Flashing)
Indicates that a
door other than
the driver’s door
has been opened
and closed with
the “ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
has been taken
out of the detec-
tion area.
Confirm the
location of the
electronic key.

5
441
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
Once3
times
Indicates that
the driver’s door
has been opened
and closed with
the shift lever in
P, the “ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
has been taken
out of the detec-
tion area.
Turn the
“ENGINE
START STOP”
switch OFF or
confirm the
location of the
electronic key.
Con-
tinu-
ousCon-
tinu-
ous
(Displayed alter-
nately)
(Flashing)
Indicates that
the driver’s door
has been opened
and closed with
the shift lever
out of in P, the
“ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
has been taken
out of the detec-
tion area.
• Shift the shift
lever to P.
• Confirm the
location of the
electronic key.
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure

442
5-2. Steps to take in an emergency
IS F_EE
Once(Comes on for 10 sec-
onds.)
(Flashing)
Indicates that
the key battery
is low.Replace the bat-
tery. (P. 390)

Indicates that
the “ENGINE
START STOP”
switch has been
turned twice to
ACCESSORY
mode without
starting the
engine when a
closed door is
opened.
Press the
“ENGINE
START STOP”
switch while
applying the
brakes.

(Flashing)
Indicates that
the steering lock
has not released
within 3 seconds
of pressing the
“ENGINE
START STOP”
switch.Press the
“ENGINE
START STOP”
switch again
while turning
the steering
wheel with the
brake pedal
depressed.
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure

5
443
5-2. Steps to take in an emergency
When trouble arises
IS F_EE
*: If the engine does not start when the electronic key is inside the vehicle,
the electronic key battery may be depleted or there may be difficulties
receiving the signal from the key. (P. 41)
OnceIndicates that
the electronic
key does not
operate properly.
P. 4 6 0
Once
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure