2020 Lexus IS300 sensor

638What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 162)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 188)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 527)
●The parking brake indicator is on
Is the parking brake released? ( P. 200)
Depending on the situation, other types of warning buzzer may also sound.
( P. 525, 532)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 78)
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds

651Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Paddle shift switches .............................193
Parking assist sensors (intuitive parking assist) .................. 260
Parking brake.........................................200
Parking lights .......................................... 202 Light switch ...........................................202
Replacing light bulbs ........................... 511
PCS (Pre-Collision System) ............ 229 Warning light .......................................526
Personal lights........................................ 429 Wattage ..................................................597
Pop-up display ........................................ 103
Power easy access system ................. 147
Power outlet ........................................... 438
Power steering (Electric power steering system)................................. 302 Warning light .......................................526
Power windows .......................................162 Door lock linked window operation ........................... 164
Jam protection function ................... 163
Operation ............................................... 162
Window lock switch.......................... 162
Pre-Collision System (PCS) ............ 229 Warning light .......................................526 Radar cruise control (dynamic
radar cruise control)........................ 248
Radiator.................................................... 480
Radio ......................................................... 338
Rear passengers’ seat belt reminder lights ....................................527
Rear personal lights .............................429 Wattage ................................................. 597
Rear seats .................................................. 145 Fold down the seatback...................145
Luggage security system...................131
Rear sunshade....................................... 439 Operation.............................................. 439
Reverse operation feature ............ 439
Rear turn signal lights ...........................198 Replacing light bulbs ...................... 509
Turn signal lever .................................. 198
Wattage ................................................. 597
PR
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.

653Alphabetical index
IS350 AWD/IS350/IS300 AWD/IS300_U
Seats, Front ...............................................143Adjustment ............................................. 143
Adjustment precautions .................. 144
Child seats/child restraint system installation.............................. 57
Cleaning ................................................ 458
Driving position memory .................147
Head restraints ..................................... 152
Power easy access system .............147
Properly sitting in the seat ................ 28
Seat heaters .......................................... 427
Seat position memory........................147
Seat ventilators .................................... 427
Seats, Rear ................................................145 Fold down the seatback .................. 145
Luggage security system .................. 131
Sensor Automatic headlight system .........204
Inside rear view mirror ..................... 158
Intuitive parking assist ..................... 260
LDA (Lane Departure Alert with steering control) ...................240
Radar sensor ........................... 224, 288
Rain-sensing windshield wipers .................................................... 216
Service reminder indicators ............... 84 Shift lever .................................................... 191
Automatic transmission ..................... 191
If the shift lever cannot be shifted from P ..............196
Shift lock system ..................................... 196
Shift position and gear position ......... 89
Side airbags ................................................36
Side marker lights ................................ 202 Light switch........................................... 202
Replacing light bulbs .......................... 511
Side mirrors .............................................. 159 Adjusting and folding ........................159
BSM (Blind Spot Monitor) ........... 260
Linked mirror function when reversing................................. 160
Mirror position memory .................. 147
Side turn signal lights ............................198 Replacing light bulbs .......................... 511
Turn signal lever .................................. 198
Side windows ........................................... 162
Slip indicator .......................................... 526
*: For vehicles with a naviga tion system, refer to the
“NAVIGATION SYSTEM OWNER’S MANUAL”.