Page 614 of 676

6148-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. (P. 618)
●There may be a malfunction in the steering lock system.
Contact any authorized Lexus retailer or Le xus authorized repairer, or any reliable
repairer if the problem cannot be repaired , or if repair procedures are unknown.
When the engine does not start, the following steps can be used as an interim
measure to start the engine if the engine switch is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle inspected by any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
The starter motor does not turn over , the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4
Page 620 of 676

6208-2. Steps to take in an emergency
IS200t_EE(OM53D77E)
Once the vehicle’s engine has started, remove the jumper cables in the exact
reverse order from which they were connected.
Once the engine starts, have the vehicle inspected at any authorized Lexus
retailer or Lexus authorized repairer, or an y reliable repairer as soon as possible.
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is stopped. (Vehicles with
a Stop & Start system: except when the engine is stopped by the Stop & Start system.)
●Turn off any unnecessary electrical components when the vehicle is running at a low
speed for an extended period, such as in heavy traffic.
■Charging the battery
The electricity stored in the battery will discharge gradually even when the vehicle is not
in use, due to natural discharge and the draining effects of certain electrical appliances. If
the vehicle is left for a long time, the battery may discharge, and the engine may be
unable to start. (The battery recharges automatically during driving.)
■When recharging or replacing the battery
●In some cases, it may not be possible to unlock the doors using the smart entry & start
system when the battery is discharged. Us e the wireless remote control or the mechan-
ical key to lock or unlock the doors.
●The engine may not start on the first attempt after the battery has recharged but will
start normally after the second attempt. This is not a malfunction.
●The engine switch mode is memorized by the vehicle. When the battery is recon-
nected, the system will return to the mode it was in before the battery was discharged.
Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery discharged, be
especially careful when reconnecting the battery.
●Vehicles with Stop & Start system:
For a while after the battery terminals have been disconnected or reconnected, for a
while after the battery has been replaced, the Stop & Start system may not automati-
cally stop the engine for approximately 5 to 60 minutes.
■When exchanging the battery (vehicles with Stop & Start system)
Use a battery specified for use with the Stop & Start system and equivalent to a genuine
battery. If an unsupported battery is used, Stop & Start system functions may be
restricted to protect the battery.
Also, battery performance may decrease and the engine may not be able to restart.
Contact any authorized Lexus retailers or Le xus authorized repairers, or any reliable
repairers.
7
Page 646 of 676

6469-2. Customization
IS200t_EE(OM53D77E)
■Turn signal lever (P. 216)
*1: After flashing the turn signal lights when turning left or right while this function is off
and the turn signal lever is moved to the fi rst position in the direction of the flashing
light, the turn signal lights can be selected to be flashing or off.
*2: The turn signal lights keep flashing if the turn signal lever is moved to the first position in the direction of flashing light.
*3: The turn signal lights will be off if the turn signal lever is moved to the first position inthe direction of flashing light.
■Automatic light control system ( P. 218)
■Lexus parking assist-sensor*1 ( P. 299)
*1: If equipped
*2: When Lexus parking assist-sensor is operating.
FunctionDefault settingCustomized setting
The number of times the turn sig-
nal lights flash automatically
when the turn signal lever is
moved to the first position during
a lane change
*1
3
5
—O7
Off*2
Off*3
12
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights
automatically turn off30 seconds
60 seconds
—O90 seconds
120 seconds
12
FunctionDefault settingCustomized setting
Detection distance of the front
center sensorFarNearOO
Detection distance of the rear
center sensorFarNearOO
Buzzer volume31 to 5OO
Display setting*2All sensors
displayedDisplay offOO
12
Page 662 of 676

662Alphabetical index
IS200t_EE(OM53D77E)
Fuel consumptionAverage fuel
economy............................... 116, 117, 119
Current fuel consumption................ 116
Fuel filler door ........................................ 234 If the fuel filler door
cannot be opened ......................... 236
Refueling ................................................ 234
Fuel gauge .................................................. 93
Fuel pump shut off system .................553
Fuses ......................................................... 530
Gauges ........................................................ 93
Gear positions ........................................ 214
Glove box ................................................ 469
Glove box light ...................................... 469 Hands-free system
(for cellular phone) ........................... 405
Head restraints ........................................166
Headlight cleaner................................. 226
Headlights .................................................218
Automatic High Beam system.................................................... 221
Follow me home system.................. 219
Light switch............................................. 218
Replacing light bulbs ....................... 540
Heaters ..................................................... 450
Air conditioning system ................. 450
Heated steering wheel ................... 463
Outside rear view mirrors ............ 458
Seat heaters.......................................... 464
Hill-start assist control........................ 340
Hood .......................................................... 497 Open ....................................................... 497
Pop Up Hood ........................................ 53
Hooks Cargo hooks ........................................ 472
Coat hooks........................................... 479
Retaining hooks (floor mat) .............32
Horn .............................................................169
G
H