brake sensor TOYOTA SIENNA 2015 XL30 / 3.G User Guide

302
SIENNA_OM_01999-08001_(U)
4-5. Using the driving support systems
WARNING
■When the sensor may not be correct ly detecting the vehicle ahead
Apply the brakes as necessary in any of the following situations.
● When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
● When your vehicle is pointing upwards (caused by a heavy load in the lug-
gage compartment etc.)
● Vehicles that cut in suddenly
● Vehicles with small rear ends (trailers with no load on board etc.)
● Motorcycles traveling in the same lane
■ Handling the radar sensor
Observe the following to ensure the pre-collision system can function effec-
tively:
● Keep the sensor and front grille clean at all times.
Clean the sensor and front grille with a soft cloth so you do not mark or
damage them.
● Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may become
inaccurate or malfunction. If the sensor or surrounding area is subject to a
strong impact, always have the area inspected and adjusted by your Toy-
ota dealer.
● Do not disassemble the sensor.
● Do not attach accessories or stickers to the sensor, grille or surrounding
area.
● Do not modify or paint the sensor and grille cover.

647What to do if... (Troubleshooting)
SIENNA_OM_01999-08001_(U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (P. 539)
●The brake system warning light is on
Is the parking brake released? (P. 236)
Depending on the situation, other types of warning buzzer may also sound.
( P. 537, 546)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 77)
To stop the alarm, turn the engine switch to the “ON” position (vehicles with-
out a smart key system) or IGNITION ON mode (vehicles with a smart key
system) or start the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. ( P. 546)
A warning buzzer sounds during driving
An alarm is activated and the horn sounds (if equipped)
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)

658Alphabetical index
SIENNA_OM_01999-08001_(U)
Parking assist sensors (intuitive parking assist) ....... 273
Parking brake ........................... 236 Operation .............................. 236
Parking brake engaged warning
buzzer/message ......... 537, 550
Parking lights
Light switch ........................... 237
Replacing light bulbs..... 517, 523
Wattage ................................ 602
PCS (Pre-Collision System) Function ................................ 296
Pre-collision braking off switch ................................. 297
Warning light ......................... 538
Warning message ............. 547, 552, 556
Personal lights Switch ................................... 420
Wattage ................................ 602
Power back door...................... 132
Power outlets ........................... 437
Power windows Jam protection function......... 184
Operation .............................. 183
Window lock switch............... 183
Pre-collision system (PCS) Function ................................ 296
Pre-collision braking off switch ................................. 297
Warning light ......................... 538
Warning message ............. 547, 552, 556 Quarter windows ..................... 186
Radar cruise control
(dynamic radar cruise
control)................................... 261
Radiator .................................... 483
Radio
*...................................... 335
Rear automatic air conditioning system ............. 413
Rear ceiling light ..................... 421
Rear seat
Adjustment............................ 151
Folding third seats ........ 158, 159
Installing second seats ......... 157
Removing second seats ....... 155
Stowing third seats ....... 160, 162
Rear seat entertainment system
*
Rear turn signal lights Replacing light bulbs ............ 520
Turn signal lever ................... 235
Wattage ................................ 602
Rear view mirror Compass .............................. 449
Inside rear view mirror .......... 178
Outside rear view mirrors ..... 180
Rear view monitor system ...... 281
Rear window defogger ............ 408
Rear window wiper .................. 252
Replacing Electronic key battery ........... 503
Fuses .................................... 506
Light bulbs ............................ 509
Rear seat entertainment system control battery
*
Tires...................................... 564
Wireless remote control battery ................................ 503
PQ
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