Page 45 of 672

451-1. For safe use
SIENNA_OM_OM08007U_(U)
1
For safety and security
■If the SRS airbags deploy (inflate)
●Slight  abrasions,  burns,  bruising  etc.,  may  be  sustained  from  SRS  airbags,
due to the extremely high speed deployment (inflation) by hot gases.
● Bruising  and  slight  abrasions  may  result  from  contact  with  a  deploying
(inflating) SRS airbag.
● A loud noise and white powder will be emitted.
● Parts of the airbag module (steering wheel hub, airbag cover and inflator) as
well  as  the  front  seats,  parts  of  the  front  and  rear  pillars,  and  roof  side  rail,
may be hot for several minutes. The airbag itself may also be hot.
● The windshield may crack.
● For Safety Connect subscribers, if the SRS airbags deploy or in the event of
a  severe  rear-end  collision,  the  system  is  designed  to  send  an  emergency
call  to  the  response  center,  notifying  them  of  the  vehicle’s  location  (without
needing  to  push  the  “SOS”  button)  and  an  agent  will  attempt  to  speak  with
the occupants to ascertain the level of emergency and assistance required.
If the  occupants  are  unable to  communicate,  the agent  automatically treats
the  call  as  an  emergency  and  helps  to  dispatch  the  necessary  emergency
services. ( P. 461)
■ SRS airbag deployment conditions (SRS front airbags)
●The SRS front airbags will deploy in the event of an impact that exceeds the
set threshold level (the level of force corresponding to an approximately 12 -
18 mph [20 - 30 km/h] frontal collision with a fixed wall that does not move or
deform).
However,  this  threshold  velocity  will  be  considerably  higher  in  the  following
situations: • If  the  vehicle  strikes  an  object,  such  as  a  parked  vehicle  or  sign  pole, which can move or deform on impact
• If  the  vehicle  is  involved  in  an  underride  collision,  such  as  a  collision  in which  the  front  of  the  vehicle  “underrides”,  or  goes  under,  the  bed  of  a
truck
● Depending on the type of collision, it is possible that only the seat belt pre-
tensioners will activate.
● The SRS front airbags for the front pass enger will not activate if there is no
passenger  sitting  in  the  front  passenger  seat.  However,  the  SRS  front  air-
bags for the front passenger may deploy if luggage is put in the seat, even if
the seat is unoccupied. ( P. 50)
● The SRS seat cushion airbag on the front passenger’s seat will not operate
if the occupant is not wearing a seat belt. 
     
        
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491-1. For safe use
SIENNA_OM_OM08007U_(U)
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For safety and security
●The  front  passenger’s  seat  cushion  sur-
face  is  scratched,  cracked,  or  otherwise
damaged.
● The  surface  of  the  seats  with  the  side
airbag  is  scratched,  cracked  or  other-
wise damaged.
● The  portion  of  the  front  pillars,  rear  pil-
lars  or  roof  side  rail  garnishes  (padding)
containing  the  curtain  shield  airbags
inside is scratched, cracked or otherwise
damaged. 
     
        
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618
SIENNA_OM_OM08007U_(U)
9-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation 
pressure Tire  pressure  when  the  vehicle  has  been
parked  for  three  hours  or  more,  or  has  not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation 
pressure The  maximum  cold  inflat
ed  pressure  to  which
a  tire  may  be  inflated,  shown  on  the  sidewall
of the tire
Recommended 
inflation pressure Cold tire inflation pressure recommended by a
manufacturer
Accessory weight The combined weight (in excess of those stan-
dard  items  which  may  be  replaced)  of  auto-
matic  transmission,  power  steering,  power
brakes,  power  windows,  power  seats,  radio
and  heater,  to  the  extent
  that  these  items  are
available  as  factory-installed  equipment
(whether installed or not)
Curb weight The  weight  of  a  motor  vehicle  with  standard
equipment, including the maximum capacity of
fuel,  oil  and  coolant,  and  if  so  equipped,  air
conditioning  and  additional  weight  optional
engine
Maximum loaded 
vehicle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant 
weight 150 lb. (68 kg) times the number of occupants
specified  in  the  second  column  of  Table  1
*
that follows
Occupant distribution Distribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options 
weight The  combined  weight  of  installed  regular  pro-
duction options weighing over 5 lb. (2.3 kg) in
excess  of  the  standard  items  which  they
replace,  not  previously  considered  in  curb
weight  or  accessory  weight,  including  heavy
duty  brakes,  ride  levelers,  roof  rack,  heavy
duty battery, and special trim