Page 506 of 609
480
5-2. Steps to take in an emergency
IS250/220d/200d_EE
(If equipped)
Indicates that Lexus
parking assist-sensor is
dirty or covered with
ice.
Clean the sensor.
(Flashing)
(If equipped)
Indicates that the
dynamic radar cruise
control sensor is dirty or
covered with ice.
Clean the sensor.
(Flashing and then
continuously on)
(Flashing)
(If equipped)
Indicates that the
dynamic radar cruise
control system is unable
to judge vehicle-to-
vehicle distance.
• Switch the driving
mode to either the nor-
mal or power mode.
• If the windshield wip-
ers are on, turn them
off or set them to
either the intermittent
or the slow mode.
(Flashing)
(If equipped)
Indicates that your vehi-
cle is nearing the vehi-
cle ahead (in dynamic
radar cruise mode).
Slow the vehicle by
applying the brakes.
Warning messageDetailsCorrection procedure
Page 507 of 609
5
481
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
(Flashing)
(If equipped)
Indicates that there is a
high possibility of a
frontal collision, or that
the pre-crash braking
function is operating.
Slow the vehicle by
applying the brakes.
(On some IS250
models)
Indicates that the fuel
injectors require main-
tenance.Have your Lexus dealer
replenish the injector
cleaner and reset the
message.
Warning messages in the radar cruise mode (if equipped)
In the following instances, there is a possibility that the approach warning
will not illuminate even when vehicle-to-vehicle distance is closing.
When the speed of the vehicle ahead matches or exceeds your vehicle’s
speed.
When the vehicle ahead is traveling at an extremely slow speed.
Immediately after the cruise control speed has been set.
At the instant the accelerator is applied.
Warning messageDetailsCorrection procedure
Page 510 of 609
484
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Once
(Flashing)
Indicates that
the key battery
is low.Replace the bat-
tery. (P. 435)
Once
(Vehicles with an
automatic transmis-
sion)
Indicates that a
door has been
opened or closed
and the
“ENGINE
START STOP”
switch has been
turned twice to
ACCESSORY
mode with the
“ENGINE
START STOP”
switch OFF.
Press the
“ENGINE
START STOP”
switch while
applying the
brakes.
Once
(Vehicles with a man-
ual transmission)
Indicates that a
door has been
opened or closed
and the
“ENGINE
START STOP”
switch has been
switched twice
to ACCES-
SORY mode
from OFF.
Press the
“ENGINE
START STOP”
switch while
depressing the
clutch pedal.
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Page 511 of 609
5
485
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
(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.
Once
(Vehicles with an
automatic transmis-
sion)
Indicates that
the electronic
key does not
operate properly.
P. 5 2 1
(Vehicles with an
automatic transmis-
sion)
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Page 513 of 609
5
487
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
If you have a flat tire (vehicles with a spare tire)
Remove the flat tire and replace it with the spare provided.
Before jacking up the vehicle
Stop the vehicle on a hard, flat surface.
Set the parking brake.
Shift the shift lever to P (vehicles with an automatic trans-
mission) or R (vehicles with a manual transmission).
Stop the engine.
Turn on the emergency flashers.
Location of the spare tire, jack and tools
With a compact spare tire
Jack
Jack handle
Tighte Loosen
Spare tire
Tool bag
(including towing eye-
Page 524 of 609

498
5-2. Steps to take in an emergency
IS250/220d/200d_EE
CAUTION
When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems
may not operate correctly:
ABS & Brake assist
VSC
TRC
EPS
VDIM
Navigation system (if equipped)
Lexus parking assist-sensor (if equipped)
Dynamic radar cruise control (if equipped)
Cruise control (if equipped)
PCS (if equipped)
NOTICE
Do not drive the vehicle with a flat tire.
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair.
Be careful when driving over bumps with the compact spare tire installed on
the vehicle.
The vehicle becomes lower when driving with the compact spare tire com-
pared to when driving with standard tires. Be careful when driving over
uneven road surfaces.
Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving per-
formance.
Page 525 of 609
5
499
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
If you have a flat tire (vehicles with an emergency tire puncture repair kit)
A puncture caused by a nail or screw passing through the tire tread can
be repaired temporarily using the emergency tire puncture repair kit.
(The kit contains a bottle of sealant. The sealant can be used only once
to temporarily repair one tire without removing the nail or screw from
the tire.) After temporarily repairing the tire with the kit, have the tire
repaired or replaced by any authorized Lexus dealer, tire dealer or
repairer, or another duly qualified and equipped professional.
Before repairing the tire
Stop the vehicle in a safe place on a hard, flat surface.
Set the parking brake.
Shift the shift lever to P (automatic transmission) or N
(manual transmission).
Stop the engine.
Turn on the emergency flashers.
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516
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Emergency start function
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START
STOP” switch is functioning normally:
Vehicles with an automatic transmission
Set the parking brake.
Put the shift lever in P.
Set the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for
about 15 seconds while depressing the brake pedal firmly.
Vehicles with a manual transmission
Set the parking brake.
Put the shift lever in N.
Set the “ENGINE START STOP” switch to the ACCES-
SORY mode.
Push and hold the “ENGINE START STOP” switch for
about 15 seconds while depressing the brake pedal and
clutch pedal firmly.
Even if the engine can be started using the above steps, the system
may be malfunctioning. Have the vehicle checked by any autho-
rized Lexus dealer or repairer, or another duly qualified and
equipped professional.
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