2009 Lexus IS250 Key entry

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2-1. Driving procedures
2
When driving
08_IS350/250_U_(L/O_0808)
■If the engine does not start
The engine immobilizer system may not have been deactivated. (

P. 7 7 )
■When the steering lock cannot be released
■When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than an hour with the shift lever
in P (vehicles with an automatic transmission), the “ENGINE START STOP” switch
will automatically turn OFF.
■Electronic key battery depletion

P. 3 0
■When the electronic key battery is fully discharged

P. 3 4 5
■Conditions affecting operation

P. 2 8
■Note for the entry function

P. 3 1The “ENGINE START STOP” switch indica-
tor will flash in green and a message will be
shown on the multi-information display. Press
the “ENGINE START STOP” switch again
while turning the steering wheel left and right.

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3
Interior features
08_IS350/250_U_(L/O_0808)
3-3. Using the interior lights
Interior lights list
Your Lexus is equipped with the illuminated entry system to assist in enter-
ing the vehicle. Owing to the function of the system, the lights shown in the
following illustration automatically turn on/off according to the presence of
the electronic key, whether the door s are locked/unlocked, whether the
doors are opened/closed, and the “ENGINE START STOP” switch mode.
Front personal lights (
P. 2 4 9 )
Front interior light (
P. 2 4 9 )
Front overhead courtesy light
Rear personal lights (
P. 2 4 9 )
Rear interior light
Rear overhead courtesy light
Shift lever light (when “ENGINE START STOP” switch is in
ACCESSORY or IGNITION ON mode)
Front foot well lighting

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Alphabetical index
08_IS350/250_U_(L/O_0808)
Hazard lights
Switch ...................................................... 372
Head restraints
Adjusting .................................................. 54
Headlight aim .........................................362
Headlight cleaner .................................. 165
Headlights
Discharge headlights precautions .......................................369
Replacing light bulbs........................ 363
Switch ....................................................... 156
Wattage.................................................. 445
Heaters
Seat heaters ..............................266, 269
Side mirror ..............................................218
Hill-start assist control ......................... 186
Hood ..........................................................307
Hooks
Cargo ...................................................... 278
Coat ......................................................... 276
Shopping bag...................................... 278
Horn ..............................................................141
I/M test..................................................... 303
Identification
Engine ....................................................... 431
Vehicle ...................................................... 431
Ignition switch.......................................... 126
Illuminated entry system .................... 247
Indicator lights......................................... 148
Initialization
Items to initialize ................................. 467
Inside rear view mirror .......................... 65
Interior lights
Interior lights ......................................... 247
Switch .......................................................249
Wattage ................................................. 445
Jack
Positioning a floor jack ...................308
Vehicle-equipped jack................... 404
Jack handle ............................................. 404
Keyless entry ............................................. 36
Keys
Electronic key .........................................20
Engine switch ........................................ 126
If you lose your keys .......................... 416
If the electronic key does not operate properly.............................. 417
Key number..............................................20
Keyless entry............................................36
Keys..............................................................20
Mechanical key ........................................21
Wireless remote control key...........36
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