Page 539 of 672

539
SIENNA_OM_OM08007U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If your vehicle needs to be towed
The  following  may  indicate  a  problem  with  your  transaxle.  Contact
your Toyota dealer or commercial towing service before towing.
●The engine is running but  the vehicle does not move.
● The vehicle makes an abnormal sound.
Do  not  tow  with  a  sling-type  truck
to prevent body damage.
If towing is necessary, we re commend having your vehicle
towed by your Toyota dealer or commercial towing service,
using a wheel-lift type tr uck or flat bed truck.
Use a safety chain system for all towing, and abide by all state/
provincial and local laws. 
2WD models: If towing your vehicle  with a wheel-lift type truck
from the front, the vehicle’s rear wheels and axles must be in
good conditions. ( P. 540, 541) 
If they are damaged, use a to wing dolly or flat bed truck.
AWD models: If towing your vehicl e with a wheel-lift type truck,
use a towing dolly. ( P. 540, 541)
Situations when it is necessary to contact dealers before towing
Towing with a sling-type truck 
     
        
        Page 540 of 672
5408-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
If  you  use  chains  or  cables  to  tie
down  your  vehicle,  the  angles
shaded in black must be 45.
Do  not  overly  tighten  the  tie
downs or the vehicle may be dam-
aged.
Towing with a wheel-lift type truck
From the front (2WD models)From the front (AWD models)
Release the parking brake. Use  a towing dolly under the rear
wheels.
From the rear
Use a towing dolly under the front
wheels.
Using a flatbed truck 
     
        
        Page 541 of 672
5418-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
WARNING
Observe the following precautions. 
Failure to do so may result in death or serious injury.
■When towing the vehicle
■ While towing
Do  not  turn  the  engine  switch  to  the  “LOCK”  position  (vehicles  without  a
smart key system) or off (vehicles with a smart key system).
There is a possibility that the steering wheel is locked and cannot be oper-
ated.
2WD  models:  Be  sure  to  transport  the
vehicle  with  the  front  wheels  raised  or
with all four wheels raised off the ground. 
If  the  vehicle  is  towed  with  the  front
wheels  contacting  the  ground,  the  driv-
etrain  and  related  parts  may  be  dam-
aged.
AWD  models:  Be  sure  to  transport  the
vehicle with all four wheels raised  off  the
ground.  If  the  vehicle  is  towed  with  the
tires contacting the ground, the drivetrain
or  related  parts  may  be  damaged,  the
vehicle may fly off the truck. 
     
        
        Page 542 of 672
5428-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type
truck
When  raising  the  vehicle,  ensure  adequate  ground  clearance  for  towing  at
the  opposite  end  of  the  raised  vehicle.  Without  adequate  clearance,  the
vehicle could be damaged while being towed.
■ To prevent damage to the vehicle wh en towing with a sling-type truck
Do not tow with a sling-type truck,  either from the front or rear.
■ Recreational towing (beh ind motor home, etc.)
Never dinghy tow your vehicle to prevent
causing  serious  damage  to  the  Active
Torque  Control  4WD  system  (AWD  mod-
els) and transaxle. (P. 224) 
     
        
        Page 581 of 672
5818-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
Take out the strap and tire bag.
Place  tire  standing  up  in  rear
tub,  after  putting  the  tire  in  the
tire bag.
Clip clasp to outboard hook.
Clip  other  clasp  to  center  or
opposite hook location.
Stowing the flat tire
1
2
3
4 
     
        
        Page 582 of 672
5828-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
Pull strap  to  tighten and  secure
tire.
Lay down the tire with the outer
side (valve stem) facing up, and
install the holding bracket.
Turn  the  jack  handle  clockwise
to raise the tire until the tire is in
the  correct  position  as  the  jack
handle skips.
Stow the tools.5
Stowing the spare tire
Valve stem1
2
3 
     
        
        Page 584 of 672

5848-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
WARNING
■When using the compact spare tire
●Remember  that  the  compact  spare  tire  provided  is  specifically
designed for use with your vehicle. Do not use your compact spare tire
on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possi-
ble.
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
Also,  not  only  can  the  following  system  not  be  utilized  fully,  but  it  may
even negatively affect the drive-train components:
• AWD system (if equipped)
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Fail-
ure to observe this precaution may lead to an accident causing death or
serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in
their storage location to reduce the po ssibility of personal injury during a
collision or sudden braking.
■When stowing the flat tire
●Make sure the third seats are in their original position.
●Secure it using a tire strap. Otherwise, the flat tire may fly out in case
of sudden braking or an accident, resulting in death or serious injury.
• ABS & Brake assist
• VSC
•TRAC
• Dynamic radar cruise control  (if equipped) • Cruise control (if equipped)
• PCS (if equipped)
• Navigation system (if equipped)
• EPS 
     
        
        Page 585 of 672

5858-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
NOTICE
■When loosening or tightening the spare tire clamp bolt
Do not use an impact wrench. Use the adapter socket and jack handle. 
■Be careful when driving over bumps with the compact spare tire
installed on the vehicle
The  vehicle  becomes  lower  when  driving  with  the  compact  spare  tire
compared  to  when  driving  with  standard  tires.  Be  careful  when  driving
over uneven road surfaces.
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire  chains  may  damage  the  vehicle  body  and  adversely  affect  driving
performance.
■When replacing the tires
When  removing  or  fitting  the  wheels,  tires  or  the  tire  pressure  warning
valve  and  transmitter,  contact  your  Toyota  dealer  as  the  tire  pressure
warning valve and transmitter may be damaged if not handled correctly.
■To avoid damage to the tire pressure warning valves and transmit-
ters
When  a  tire  is  repaired  with  liquid  sealants,  the  tire  pressure  warning
valve  and  transmitter  may  not  operate  properly.  If  a  liquid  sealant  is
used, contact your Toyota dealer or other qualified service shop as soon
as  possible.  Make  sure  to  replace the  tire  pressure  warning  valve  and
transmitter when replacing the tire. ( P. 497)
■After taking out or stowing the spare tire
Make sure to secure the tire carrier by tightening the clamp bolt to pre-
vent  the  holding  bracket  from  hitting  the  under  body  of  the vehicle  dur-
ing driving.
■Using the tire carrier
●As  the  tire  carrier  is  designed  for  use  with  the  compact  spare  tire,  it
cannot be used with standard tires.
●If the spare tire is flat, do not use t he tire carrier, as the tire may not be
held securely.