brake Lexus IS250 2012 Using the air conditioning system and defogger / 2012 IS250,IS350 OWNERS MANUAL QUICK GUIDE (OM53A98U)

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Engine (ignition) Switch
■Starting 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.
■ Stopping 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.)

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■Changing 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)
■ Shift positions
P Pa r k
R Reverse
N Neutral (drive not engaged)
D Drive
S S mode
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.
ACCESSORY mode IGNITION ON mode
(Indicator light: amber)
OFF
(Indicator light: off)

What to do if ...
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List of Warning/Indicator Lights
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
(U.S.A.)
(Canada)Brake system warning light
Stop the vehicle immediately.
Charging system warning light
Have the vehicle inspected immediately.
(U.S.A.)
(Canada)Malfunction
indicator lamp
Electric power steering
system warning light
(Blinking and
then continu-
ously on)Tire pressure warning light
SRS warning light
(U.S.A.)
(Canada)ABS warning light
(Comes on)
Slip indicator
Have the malfunction repaired immediately.
Open door warning light(On the
center panel)
Front passenger’s seat belt
reminder light
Low fuel level warning light(Illuminates
without blink- ing)Tire pressure warning light*1
(On the
instrument cluster)
Driver’s seat belt
reminder lightMaster warning light
For further information, re fer to the Owner's Manual.

What to do if ...
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If the electronic key does not operate
properly
■Unlocking 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 ke y is stored inside the
electronic key.
Unlocks
Locks
■Starting 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 ba ttery, refer to the Owner's Manual. If you need further assistance,
contact your Lexus dealer.

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If the engine doesn't start
Make sure that the correct operating procedures have been followed. Automatic transmission
Make sure that the brake pedal (for automatic
transmission) or clutch pedal (for manual trans-
mission) is firmly depressed when attempting to
start the engine. ( P.1 4 )
Manual transmission
Make sure that the steering wheel lock is released.
To release the steering wheel lock, gently turn the
wheel left or right while pressing the “ENGINE
START STOP” switch. (P.1 0 )
Brake/clutch pedal
Steering wheel lock
If the engine still does not st art, see the Owner's Manual fo r more information or contact
your Lexus dealer.