warning Lexus IS220d 2012 Owner's Guide

367
3-7. Other interior features
3
Interior features
IS250/220d/200d_EE
Changing the settings
Each item is displayed and its setting can be changed only in the following
conditions:
Intrusion sensor: When the “ENGINE START STOP” switch is off and
the auto alarm is not set.
Lexus parking assist-sensor: When the “ENGINE START STOP” switch
is in IGNITION ON mode.
Items other than the above: When the “ENGINE START STOP” switch
is in IGNITION ON mode and the vehicle is stopped.
Display
The display will return to the original display if the satellite switches are not
operated for an extended period.
Even if the display is in satellite switch mode, it will switch in the event of a
warning or when the dynamic radar cruise control (if equipped) is used. If
this occurs, press any of the satellite switches or “DISP” switch on the steer-
ing wheel to return the display to satellite switch mode.
Pre-crash braking function (P. 231) on/off
(if equipped)
Automatic folding and extending feature of
the rear view mirrors on/off (P. 84) (if
equipped)

398
4-2. Maintenance
IS250/220d/200d_EE
CAUTION
If your vehicle is not properly maintained
It could result in serious damage to the vehicle and possible serious injury or
death.
Warning in handling of the battery
Battery posts, terminals and related accessories contain lead and lead com-
pounds which are known to cause brain damage. Wash your hands after han-
dling.
(P. 414)

420
4-3. Do-it-yourself maintenance
IS250/220d/200d_EE
Washer fluid
If any washer does not work or
the warning message appears
on the multi-information dis-
play, the washer tank may be
empty. Add washer fluid.
NOTICE
When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all
accessories are turned off.
When adding distilled water
Avoid overfilling. Water spilled during battery recharging may cause corro-
sion.
CAUTION
When adding washer fluid
Do not add washer fluid when the engine is hot or running, as washer fluid
contains alcohol and may catch fire if spilled on the engine etc.
NOTICE
Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bot-
tle.

5When trouble arises
457
5-1. Essential information
Emergency flashers .......... 458
If your vehicle needs to
be towed ......................... 459
If you think something is
wrong ............................. 465
Fuel pump shut off
system ............................ 466
5-2. Steps to take in an
emergency
If a warning light turns
on or a warning buzzer
sounds... ......................... 467
If a warning message is
displayed ........................ 473
If you have a flat tire
(vehicles with a spare
tire)................................. 485
If you have a flat tire
(vehicles with an
emergency tire
puncture repair kit) ........ 497
If the engine will not start 512
If the shift lever cannot
be shifted from P............ 514
If you lose your keys ........ 515If the electronic key
does not operate
properly.......................... 516
If the vehicle battery is
discharged ...................... 521
If your vehicle overheats . 525
If you run out of fuel
and the engine stalls....... 528
If the vehicle becomes
stuck............................... 529
If your vehicle has to
be stopped in an
emergency...................... 531

5
467
When trouble arises
IS250/220d/200d_EE
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be danger-
ous.
The following warning indicates a possible problem in the brake
system. Immediately stop the vehicle in a safe place and contact
any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional.
*: Parking brake engaged warning buzzer:
P. 4 7 7
Wa r n i n g
lightsWarning light/Details
Brake system warning light (warning buzzer)*
• Low brake fluid
• Malfunction in the brake booster system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
Calmly perform the following actions if any of the warning lights turn
on or flash. If a light turns on or flashes, but then turns off, this does
not necessarily indicate a malfunction in the system.

468
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and contact any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Have the vehicle inspected immediately.
Failing to investigate the cause of the following warnings may lead
to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional,
immediately.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system.
Warning lightWarning light/Details
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control system.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The seat belt pretensioner system.
ABS warning light
Indicates a malfunction in:
•The ABS;
• The brake assist system.

5
469
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
Electric power steering warning light
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system.
Pre-crash safety system warning light (if equipped)
Indicates a malfunction in the pre-crash safety system.
The warning light will operate as follows, even when the
system is not malfunctioning:
• The light will flash quickly when the system is operat-
ing.
(P. 230)
• The light will flash when the pre-crash braking is dis-
abled. (P. 231)
• The light will flash when the system cannot temporarily
be used. (P. 477)
Slip indicator
Indicates a malfunction in:
•The VSC system;
•The TRC system; or
• The hill-start assist control system
Fuel filter warning light (vehicles with a manual transmis-
sion)
Indicates that the amount of accumulated water in the
fuel filter has reached the specified level.
Warning lightWarning light/Details

470
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or the
trunk is not fully closed.
Check that all doors and the
trunk are closed.
Low fuel level warning
light
Remaining fuel
(Approximately 11 L
[2.9 gal., 2.4 Imp. gal.] or
less)
Refuel the vehicle.
(On the
instrument
cluster)
Driver’s seat belt
reminder light
(warning buzzer)
*2
Warns the driver to fasten
his/her seat belt.
Fasten the seat belt.
(On the center
panel)
Front passenger’s seat belt
reminder light
(warning buzzer)
*2
Warns the front passenger
to fasten his or her seat
belt.Fasten the seat belt.

5
471
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
Master warning light
A buzzer sounds and the
warning light comes on
and flashes to indicate that
the master warning sys-
tem has detected a mal-
function.
P. 4 7 4
Warning lightWarning light/DetailsCorrection procedure

472
5-2. Steps to take in an emergency
IS250/220d/200d_EE
*1:Open door warning buzzer:
P. 477
*2:Driver's and front passenger’s seat belt reminders:
The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that his or her seat belt is not fastened. The
buzzer sounds for 30 seconds after the vehicle has reached a speed of at
least 20 km/h (12 mph). Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 90 more seconds.
If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional as soon as possible.
Electric power steering warning light
When the battery is low or when the voltage drops temporarily, the electric
power steering warning light may come on.
Front passenger detection sensor and passenger seat belt reminder and
warning buzzer
If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash and the warning
buzzer to sound, even if a passenger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.