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414
5-2. Steps to take in an emergency
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 about 15 sec-
onds 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 ACCESSORY
mode.
Push and hold the “ENGINE START STOP” switch about 15 sec-
onds 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 your Lexus dealer.
STEP1
STEP2
STEP3
STEP4
STEP1
STEP2
STEP3
STEP4
Page 416 of 542
5
When trouble arises
419
5-2. Steps to take in an emergency
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed.
( →P. 1 2 6 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the brake
pedal depressed.
Manual transmission
Shift the shift lever to N and depress the clutch pedal.
Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
STEP3
STEP1
STEP2
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420
5-2. Steps to take in an emergency
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the clutch pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed.
( →P. 1 2 6 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer sounds, keeping the clutch
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
nStopping the engine
For vehicles with an automatic transmission: Shift the shift lever to P and press the
“ENGINE START STOP” switch as you normally do when stopping the engine.
For vehicles with a manual transmission: Shift the shift lever to N position and press
the “ENGINE START STOP” switch as you normally do when stopping the engine.
nReplacing the key battery
As the above procedure is the temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery depletes.
( →P. 3 4 5 )
STEP3
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437
6-1. Specifications
6
Vehicle specifications
Automatic Transmission
*: The fluid capacity is provided as a reference. If replacement is necessary, con-
tact your Lexus dealer.
Manual Transmission
Clutch
IS350IS250 (2WD)IS250 (AWD)
Fluid capacity*7. 5 q t .
(7.1 L, 6.2 lmp.qt.)
7. 5 q t .
(7.1 L, 6.2 lmp.qt.)
9.4 q t .
(8.9 L, 7.8 lmp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
Using automatic transmission fluid other than “Toyota Genuine ATF WS” may cause
deterioration in shift quality, locking up of your transmission accompanied by vibra-
tion, and ultimately damage the automatic transmission of your vehicle.
Gear oil capacity1.9 qt. (1.8 L, 1.6 Imp.qt.)
Gear oil typeAPI GL-5
Recommended gear oil viscositySAE75W-90
NOTICE
Using manual transmission gear oil other than “TOYOTA Genuine Manual
Transmission Gear Oil API GL-5” may cause occurrence of gear noise or other dete-
rioration.
Clutch free play0.2 ⎯ 0.6 in. (5 ⎯ 15 mm)
Fluid typeSAE J1703 or FMVSS No.116 DOT 3
Page 498 of 542
Topic 3
When Driving
19
IS_U (L/O_0808)
Engine (ignition) Switch
nStarting the engine
Automatic transmission
Make sure the parking brake is engaged and the
shift lever is in P.
Depress the brake pedal.
The “ENGINE START STOP” switch indi-
cator light turns green.
Press the “ENGINE START STOP” switch.
Manual transmission
Make sure the parking brake is engaged and the
shift lever is in N.
Depress the clutch pedal.
The “ENGINE START STOP” switch indi-
cator light turns green.
Press the “ENGINE START STOP” switch.
nStopping the engine
Engage the parking brake and shift the shift lever to P (for automatic transmission) or N
(for manual transmission).
Press the “ENGINE START STOP” switch.
With the electronic key on your person, the engine can be started by simply pressing the
“ENGINE START STOP” switch, while depressing the brake pedal or clutch pedal.
(The mechanical key cannot be used to start the engine.)
Page 499 of 542
Topic 3
When Driving
20
Entering and Exiting
Before Driving
Before Driving
When Driving
When Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
IS_U (L/O_0808)
nChanging power modes
To change power modes without turning on the engine, press the “ENGINE START STOP”
switch without depressing the brake pedal (for automatic transmission) or the clutch pedal
(for manual transmission). The modes can be changed in the following order:
Automatic Transmission (If Equipped)
nShift positions
PPa rk *
RReverse
NNeutral (drive not engaged)
DDrive
SS mode
*: The engine can only be started in P.
The vehicle can only be shifted out of P when
the “ENGINE START STOP” switch is in
IGNITION ON mode and the brake pedal is
depressed.
ACCE SSORY modeIGNITION ON mode
(Indicator light: amber)
OFF
(Indicator light: off)
Page 502 of 542
Topic 3
When Driving
23
IS_U (L/O_0808)
Manual Transmission (If Equipped)
To operate the shift lever, the clutch pedal must be
fully depressed.
To shift into R, the ring on the shift lever must be
pulled up.
Parking Brake
nAutomatic transmission
To set the parking brake: firmly depress the park-
ing brake pedal.
To release the parking brake: depress the park-
ing brake pedal again.
nManual transmission
To set the parking brake: pull the parking
brake lever firmly upward.
To release the parking brake: press and
hold the lock release button and lift the lever
slightly before lowering it as far as it will go.
1
234
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60
Entering and Exiting
Before Driving
When Driving
Rain and
Night Driving
Driving Comfort
Opening and Closing
What to do if ...
Customizing
Yo u r L e x u s
IS_U (L/O_0808)
If the electronic key does not operate
properly
nUnlocking and locking the doors
To unlock or lock the vehicle, use the mechanical
key to remove the lock cover on the driver's door
handle. The mechanical key is stored inside the
electronic key.
Unlocks
Locks
nStarting the engine
Depress the brake pedal (for automatic trans-
mission) or clutch pedal (for manual transmis-
sion).
Touch the Lexus emblem side of the electronic
key to the “ENGINE START STOP” switch.
Press the “ENGINE START STOP” switch
within 10 seconds of the buzzer, keeping the
brake pedal (for automatic transmission) or
clutch pedal (for manual transmission)
depressed.
1
2
If the electronic key battery becomes depleted, replace it with a new battery. For instruc-
tions on replacing the battery, refer to the Owner's Manual. If you need further assistance,
contact your Lexus dealer.