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4-1. Before driving
NOTICE
■When driving the vehicle
●Do not depress the accelerator and brake pedals at the same time during
driving, as this may restrain the engine output.
● Do  not  use  the  accelerator  pedal  or  depress  the  accelerator  and  brake
pedals at the same time to hold the vehicle on a hill.
■ When parking the vehicle
Always  shift  the  shift  lever  to  P.  Failure  to  do  so  may  cause  the  vehicle  to
move  or  the  vehicle  may  accelerate  suddenly  if  the  accelerator  pedal  is
accidentally depressed.
■ 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 driving
A flat or damaged tire may cause the following situations. Hold the steering
wheel firmly  and  gradually  depress  the  brake  pedal to  slow  down  the  vehi-
cle.
●It may be difficult to control your vehicle.
● The vehicle will make abnormal sounds or vibrations.
● The vehicle will lean abnormally.
Information on what to do in case of a flat tire. ( P. 566, 568)
■ When encounterin g 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 check the following:
● Brake function
● Changes  in  quantity  and  quality  of  oil  and  fluid  used  for  the  engine,  tran-
saxle, transfer (AWD models), rear differential (AWD models), etc.
● Lubricant  condition  for  the  bearings  and  suspension  joints  (where  possi-
ble) and the function of all joints, bearings, etc. 
666Alphabetical index
SIENNA_OM_OM08013U_(U)
USB memory ............................ 348
USB port ................................... 323
Valet key ................................... 104
Vanity lightsVanity lights .......................... 439
Wattage ................................ 606
Vanity mirrors .......................... 439 Vanity lights .......................... 439
VDIM (Vehicle Dynamics 
Integrated Management)....... 294
Vehicle data recordings .............. 9
Vehicle identification  number ................................... 599
Vehicle stability control  (VSC) ...................................... 293
Voice command system
*....... 401
VSC (Vehicle Stability  Control) .................................. 293
Warning buzzers Brake system ....... ................. 541
Electric power steering  system ......... ....................... 542
Key reminder ........................ 564
Low engine oil pressure ........ 541
Open door ............................. 543
Seat belt reminder ................ 543 Warning lights
ABS ...................................... 542
Brake system ....... ................. 541
Charging system................... 541
Electric power steering  system .......... ...................... 542
Low engine oil pressure........ 541
Low fuel level ........................ 543
Malfunction indicator lamp .... 541
Master warning light ............. 543
Open door............................. 543
Pre-collision system.............. 542
Seat belt reminder light......... 543
Slip indicator light ................. 542
SRS airbags ......................... 542
Third seat warning light ........ 543
Tire pressure warning light ... 543
Warning messages.................. 550
Washer Checking............................... 491
Low washer fluid warning 
message............................. 559
Preparing and checking 
before winter ...................... 313
Switch ........................... 250, 254
Washing and waxing ............... 464
Weight Cargo capacity...................... 209
Load limits ............................ 598
Weight .................................. 598
Wheels ...................................... 503 Replacing wheels ................. 568
Size....................................... 604
Window glasses  ..................... 184
Window lock switch ................ 184
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