2023 TOYOTA SIENNA HYBRID power steering fluid

2164-1. Before driving
NOTICE
■Avoiding damage to vehicle
parts
●Do not turn the steering wheel
fully in either direction and hold
it there for an extended period
of time.
Doing so may damage the
power steering motor.
●When driving over bumps in the
road, drive as slowly as possible
to avoid damaging the wheels,
underside of the vehicle, etc.
■If you get a flat tire while driv-
ing
A flat or damaged tire may cause
the following situations.
●It may be difficult to control your
vehicle.
●The vehicle will make abnormal
sounds or vibrations.
●The vehicle will lean abnor-
mally.
Hold the steering wheel firmly and
gradually depress the brake pedal
to slow down the vehicle.
Information on what to do in case
of a flat tire ( P.480, 490)
■When encountering flooded
roads
Do not drive on a road that has
flooded after heavy rain, etc.
Doing so may cause the following
serious damage to the vehicle:
●Engine stalling
●Short in electrical components
●Engine damage caused by
water immersion
In the event that you drive on a
flooded road and the vehicle is
flooded, be sure to have your
Toyota dealer c heck the following:
●Brake function
●Changes in quantity and quality
of oil and fluid used for the
engine, hybrid transmission
(front and rear), etc.
●Lubricant condition for the bear-
ings and suspension joints
(where possible), and the func-
tion of all joints, bearings, etc.
■When parking the vehicle
Always set the parking brake, and
shift the shift lever to P. Failure to
do so may cause the vehicle to
move or the vehicle may acceler-
ate suddenly if t he accelerator
pedal is accidentally depressed.

3444-6. Driving tips
Use fluids that are appropriate
to the prevailing outside tem-
peratures.
• Engine oil
• Engine coolant
• Power control unit coolant
• Washer fluid
Have a service technician
inspect the condition of the
12-volt battery.
 Have the vehicle fitted with
four snow tires or purchase a
set of tire chains for the front
tires.
*
Ensure that all tires are the same
size and brand, and that chains
match the size of the tires.
*: Tire chains cannot be mounted
on vehicles with 20-inch tires.
Winter driving tips
Carry out the necessary
preparations and inspec-
tions before driving the
vehicle in winter. Always
drive the vehicle in a man-
ner appropriate to the pre-
vailing weather conditions.
Pre-winter preparations
WARNING
■Driving with snow tires
Observe the following precautions
to reduce the risk of accidents.
Failure to do so may result in a
loss of vehicle control and cause
death or serious injury.
●Use tires of the specified size.
●Maintain the recommended
level of air pressure.
●Do not drive in excess of 75
mph (120 km/h), regardless of
the type of snow tires being
used.
●Use snow tires on all, not just
some wheels.
■Driving with tire chains (vehi-
cles with 17-inch or 18-inch
tires)
Observe the following precautions
to reduce the risk of accidents.
Failure to do so may result in the
vehicle being unable to be driven
safely, and may cause death or
serious injury.
●Do not drive in excess of the
speed limit specifi ed for the tire
chains being used, or 30 mph
(50 km/h), whichever is lower.
●Avoid driving on bumpy road
surfaces or over potholes.
●Avoid sudden acceleration,
abrupt steering, sudden brak-
ing and shifting operations that
cause sudden engine braking.
●Slow down sufficiently before
entering a curve to ensure that
vehicle control is maintained.
●Do not use LTA (Lane Tracing
Assist) system.

570Alphabetical Index
Hands Free Power Back door........................................... 155
Power back door .................. 153
Wireless remote control ....... 153
Back-up lights Replacing light bulbs ............ 448
Wattage ................................ 524
Battery (12-volt battery) ......... 419 If the 12-volt battery is dis-charged .............................. 504
Preparing and c hecking before
winter.................................. 344
Replacing ............................. 507
Warning light ........................ 464
Battery (traction battery) ......... 83
Blind Spot Monitor (BSM) ...... 302 Blind Spot Monitor function .. 305
Rear Cross Traffic Alert function........................................... 308
Bottle holders ......................... 369
Brake Brake Hold ........................... 249
Fluid ............................. 417, 522
Parking brake ....................... 246
Regenerative braking ............. 80
Warning light ........................ 464
Brake assist ............................ 335
Brake Hold .............................. 249
Break-in tips ........ ................... 211
Brightness control Instrument panel light control99, 103
BSM (Blind Spot Monitor) ...... 302 Blind Spot Monitor function .. 305
Rear Cross Traffic Alert function........................................... 308
C
Care Aluminum wheels ................. 396
Exterior ................................. 396
Interior .................................. 399 Seat belts .............................399
Cargo capacity ................217, 220
Cargo hooks............................372
Cargo net hooks .....................372
Chains......................................346
Child-protectors......................142
Child restraint system ..............58 Fixed with a LATCH system ...68
Fixed with a seat belt..............63
Front passenger occupant clas-sification system ...................51
Points to remember ................58
Riding with children ................57
Types of child restraint system installation method ...............60
Using an anchor bracket ........71
Child safety ...............................57 12-volt battery precautions .419, 508
Airbag precautions .................46
Back door precautions..........150
Child restraint system .............60
Heated steering wheel and seat heater precautio ns..............361
How your child should wear the seat belt ................................36
Moon roof precautions..........206
Power window lock switch ....204
Power window precautions...203
Removed key battery precau- tions ....................................445
Seat belt extender precautions .............................................36
Seat belt precautions..............35
Seat heater precautions .......361
Cleaning ..........................396, 399 Aluminum wheels .................396
Exterior .................................396
Hybrid battery (tr action battery)
air intake vents and filters...440
Interior ..................................399
Radar sensor ........................266

582Alphabetical Index
........................................... 303
RCTA OFF indicator............. 468
Seat belt reminder ................ 471
Vehicle sway warning........... 282
Warning lights ABS ...................................... 466
Brake hold operated indicator........................................... 469
Brake Override System ........ 469
Brake system ....................... 464
Charging system .................. 464
Drive-Start Control ............... 469
Electric power steering ......... 466
Engine .................................. 465
High coolant temperature ..... 465
Hybrid system overheat ....... 465
Intuitive parking assist OFF indi- cator ................................... 467
Low engine oil pressure ....... 465
Low fuel level ....................... 470
LTA indicator ........................ 467
Malfunction indicator lamp ... 465
Parking brake indicator ........ 470
PCS warning light................. 467
PKSB (Parking Support Brake) ........................................... 469
PKSB OFF indicato r ............. 468
RCD OFF indicator............... 468
RCTA OFF indicator............. 468
Seat belt reminder light ........ 471
Slip indicator......................... 469
SRS ...................................... 466
Tire pressure ........................ 470
Warning messages ................ 475
Washer Checking .............................. 418
Low washer fluid warning mes-sage ........................... 418, 475
Preparing and c hecking before
winter.................................. 344
Switch........................... 257, 260
Washing and waxing .............. 396 Weights
Cargo capacity .............217, 220
Load limits ............................220
Wheels .....................................437 Replacing wheels .................437
Size ......................................523
Window glasses Power windows ....................202
Window lock switch ...............204
Windows Power windows ....................202
Rear window defogger .........350
Washer .........................257, 260
Windshield defogge r ..............349
Windshield wiper d e-icer .......353
Windshield wipers Intermittent windshield wipers...........................................257
Position.........................257, 260
Rain-sensing windshield wipers ...........................................257
Winter driving tips ..................344
Wireless charger.....................381
Wireless remote control.........130 Battery-saving function .........166
Locking/Unlocking ................130
Panic mode ..........................130
Replacing the battery ...........444
For vehicles with Entune Audio, Entune Audio Plus
or Entune Premium Audio,
refer to the “NAVIGA-
TION AND MULTIMEDIA
SYSTEM OWNER’S MAN-
UAL” for information
regarding the equipment
listed below.
· Navigation system