2022 TOYOTA SIENNA HYBRID snow chains

4256-3. Do-it-yourself maintenance
6
Maintenance and care
“TPWS Setting”, and then
press “OK”.
6 Press or to select
“Setting UNIT”.
7 Press or to select the
desired unit and then press
“OK”.
With 7-inch display
1 Park the vehicle in a safe
place and turn the power
switch off.
Changing the unit cannot be per-
formed while the vehicle is moving.
2Turn the power switch to ON.
3 Press or of the meter
control switches on the steer-
ing wheel and select .
4 Press or of the meter
control switches and select
, and then press and hold
“OK”.
5 Press or of the meter
control switches and select
“TPWS Setting”, and then
press “OK”.
6 Press or to select
“Setting UNIT”.
7 Press or to select the
desired unit and then press
“OK”.
■Routine tire inflation pressure
checks
The tire pressure warning system
does not replace routine tire inflation
pressure checks. Make sure to check tire inflation pressure as part
of your routine o
f daily vehicle
checks.
■Tire inflation pressure
●It may take a few minutes to dis-
play the tire inflation pressure
after the power switch is turned to
ON. It may also take a few min-
utes to display the tire inflation
pressure after infl ation pressure
has been adjusted.
●Tire inflation pressure changes
with temperature.
The displayed values may also be
different from the values mea-
sured using a tire pressure gauge.
■Situations in which the tire
pressure warning system may
not operate properly
●In the following cases, the tire
pressure warning system may not
operate properly.
• If non-genuine Toyota wheels are
used.
• A tire has been replaced with a tire that is not an OE (Original
Equipment) tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains, etc. are equipped.
• An auxiliary-support ed run-flat tire
is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on
the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is
extremely higher than the speci-
fied level.
• If wheel withou t tire pressure
warning valves and transmitters
are used.
• If the ID code on the tire pressure warning valves and transmitters is
not registered in the tire pressure
warning computer.
●Performance may be affected in
the following situations.
• Near a TV tower, electric power
plant, gas station, radio station,

4967-2. Steps to take in an emergency
disc wheel .
3Lower the vehicle.
4 Firmly tighten each wheel nut
two or three times in the
order shown in the illustra-
tion.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
5Stow the flat tire, tire jack and
all tools.
■The compact spare tire
●The compact spare tire is identi-
fied by the label “TEMPORARY USE ONLY” on the tire sidewall.
Use the compact spare tire tem-
porarily, and only in an emer-
gency.
●Make sure to check the tire infla-
tion pressure of the compact
spare tire. (
P.523)
■When using the compact spare
tire
As the compact spare tire is not
equipped with a tire pressure warn-
ing valve and transm itter, low infla-
tion pressure of the spare tire will
not be indicated by the tire pressure
warning system. Also , if you replace
the compact spare ti re after the tire
pressure warning light comes on,
the light remains on.
■When the compact spare tire is
attached
The vehicle height may become
lower when driving with the compact
spare tire compared to when driving
with standard tires.
■If you have a flat front tire on a
road covered with snow or ice
Install the compact spare tire on one
of the rear wheels of the vehicle.
Perform the following steps and fit
tire chains to the front tires:
1 Replace a rear tire with the com-
pact spare tire.
2 Replace the flat front tire with the
tire removed from the rear of the
vehicle.
3 Fit tire chains to the front tires.
B
WARNING
■When using the compact
spare tire
●Remember that the compact
spare tire provided is specifi-
cally designed for use with your
vehicle. Do not use your com-
pact spare tire on another vehi-
cle.

580Alphabetical Index
EV drive mode switch........... 238
Fog light switch .................... 256
Garage door opener switches........................................... 388
Head-up display switch ........ 119
Heated steering wheel ......... 361
Ignition switch (power switch) ........................................... 233
Intuitive parking assist .......... 312
Light switch .......................... 250
LTA switch............................ 282
Meter control switches ......... 105
Moon roof switches .............. 205
Outside rear view mirror switches ............................. 199
Parking brake switch ............ 245
PCS (Pre-Collision System) . 271
PKSB (Parking Support Brake) ........................................... 324
Power back door switch ....... 154
Power door lock switch ........ 135
Power sliding door main switch ........................................... 149
Power sliding door switches . 140
Power switch ........................ 233
Power window switch ........... 202
RCD (Rear Camera Detection) switch ................................. 320
RCTA (Rear Cross Traffic Alert) ........................................... 302
Rear window and outside rear view mirror defoggers switch........................................... 350
Rear window wipe r and washer
switch ................................. 259
Seat heater switches ............ 361
Seat ventilator switches ....... 362
Vehicle-to-vehicle distance switch ................................. 290
VSC OFF switch................... 336
Window lock switch .............. 204
Windshield defogger switch . 349 Windshield wiper de-icer switch
...........................................353
Windshield wipers and washer switch .................................256
T
Tail lights Light switch...........................250
Replacing light bulbs ............448
Theft deterrent system Alarm ......................................89
Immobilizer system .................88
Tire inflation pressure Maintenance data .................523
Tire inflation pressure display function ...............................424
Warning light ........................470
Tire information ......................528 Glossary ...............................532
Size ......................................530
Tire identification number .....529
Tire section names ...............530
Tire pressure warning system Function................................424
Initializing..............................427
Installing tire p ressure warning
valves and transmitters ......426
Registering ID codes ............430
Warning light ........................470
Tires .........................................421 Chains ..................................345
Checking ..............................421
Glossary ...............................532
If you have a flat tire .....480, 490
Inflation pressure ..................435
Information ......... ..................528
Replacing .............................490
Rotating tires ........................423
Size ......................................523
Snow tires.............................343
Spare tire ..............................490
Tire identification number .....529