5258-2. Steps to take in an emergency
8
When trouble arises
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
*1: Parking brake engaged warning buzzer:
→ P. 533
*2: Open door warning buzzer:
→ P. 531
*3: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to IGNITION ON mode, the buzzer
sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer
sounds once. If the seat belt is still unfast ened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Then, if the se at belt is still unfastened, the buzzer will
sound in a different tone for 90 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer soun ds to alert the front passenger that his or
her seat belt is not fastened. The buzzer so unds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 24 se conds, the buzzer will
sound intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different to ne for 90 more seconds.
Rear passenger’s seat belt buzzer:
The rear passenger’s seat belt buzzer sounds to alert the rear passenger that his or
her seat belt is not fastened. The buzzer so unds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 24 se conds, the buzzer will
sound intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 24 more seconds.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (front door), side impact se nsors (front), side impact sensors (rear),
driver’s seat position sensor, driver’s seat belt buckle switch, front passenger occupant
classification system, “AIR BAG ON” indicat or light, “AIR BAG OFF” indicator light,
front passenger’s seat belt buckle switch, seat belt pretensioner assemblies, airbags,
interconnecting wiring and power sources. (→P. 37)
■Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passenger
is not sitting in the seat.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fu el tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after severa l trips, contact your Lexus dealer as soon as
possible.
5328-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Indicates that the hood is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the hood is not yet fully closed.
→ Close the hood.
Indicates that the trunk is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the trunk is not yet fully closed.
→ Close the trunk.
(If equipped)
Indicates a malfunction in the intuitive parking assist-sen-
sor The assist-sensors flash.
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that an intuitive par king assist sensor is dirty or
covered with ice A buzzer also sounds.
→ Clean the sensor.
Warning messageDetails/Actions
6179-2. Customization
9
Vehicle specifications
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
■Intuitive parking assist*1 (→ P. 251)
*1: If equipped
*2: When intuitive parking assist is operating.
■Driving mode select switch ( →P. 288)
*: If equipped
■Automatic air conditioning system ( →P. 407)
■Seat heaters* (→ P. 416)
*:If equipped
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 dis-
playedDisplay offOO
12
FunctionDefault settingCustomized setting
Powertrain control in customized
mode
*NormalPowerO—Eco
Chassis control in customized
mode*NormalSportO—
Air conditioning operation in
customized mode
*NormalEcoO—
12
FunctionDefault settingCustomized setting
A/C Auto switch operationOnOffOO
12
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnOO
12
649Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Paddle shift switches ............................ 185
Parking assist sensors
(intuitive parking assist) ....................251
Parking brake...........................................192
Parking lights ............................................194 Light switch ............................................ 194
Replacing light bulbs ....................... 509
PCS (Pre-Collision System) .............. 221 Warning light .......................................523
Personal lights..........................................419 Wattage ................................................. 595
Pop-up display .......................................... 95
Power easy access system .................139
Power outlet ........................................... 428
Power steering (Electric power steering system)................................. 293 Warning light .......................................523
Power windows .......................................154 Door lock linked window operation ........................... 156
Jam protection function ................... 155
Operation ............................................... 154
Window lock switch.......................... 154
Pre-Collision System (PCS) .............. 221 Warning light .......................................523 Radar cruise control (dynamic
radar cruise control)........................ 239
Radiator.....................................................478
Radio ......................................................... 330
Rear passengers’ seat belt reminder lights ....................................524
Rear personal lights .............................. 419 Wattage .................................................595
Rear seats .................................................. 137 Fold down the seatback................... 137
Luggage security system................. 123
Rear sunshade........................................429 Operation.............................................. 429
Reverse operation feature ............ 429
Rear turn signal lights ...........................190 Replacing light bulbs ....................... 507
Turn signal lever .................................. 190
Wattage .................................................595
Rear view mirror Inside rear view mirror......................149
Outside rear view mirrors ............... 151
Rear window defoggers ...................... 412
Refueling.................................................... 210 Capacity................................................. 587
Fuel types............................................... 587
If the fuel filler door cannot be opened ........................... 212
Opening the fuel tank cap .............. 212
PR
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.
