339
4-5. Using the driving support systems
4
Dr
iv
ing
WARNING
●
When Active Cornering Assist
frequently operates, Active Cor-
nering Assist may temporarily
stop operating to ensure proper
operation of the brakes, TRAC
and VSC.
■
Hill-start assist control does
not operate effectively when
●
Do not overly rely on hill-start
assist control. Hill-start assist
control may not operate effec-
tively on steep inclines and
roads covered with ice.
●
Unlike the parking brake, hill-
start assist control is not
intended to hold the vehicle sta-
tionary for an extended period
of time. Do not attempt to use
hill-start assist control to hold
the vehicle on an incline, as
doing so may lead to an acci-
dent.
■
When the
TRAC/ABS/VSC/Trailer Sway
Control is activated
The slip indicator light flashes.
Always drive carefully. Reckless
driving may cause an accident.
Exercise particular care when the
indicator light flashes.
■
When the TRAC/VSC/Trailer
Sway Control systems are
turned off
Be especially careful and drive at
a speed appropriate to the road
conditions. As these are the sys-
tems to help ensure vehicle stabil-
ity and driving force, do not turn
the TRAC/VSC/Trailer Sway Con-
trol systems off unless necessary.
Trailer Sway Control is part of the
VSC system and will not operate
if VSC is turned off or experiences
a malfunction.
■
Replacing tires
Make sure that all tires are of the
specified size, brand, tread pat-
tern and total load capacity. In
addition, make sure that the tires
are inflated to the recommended
tire inflation pressure level.
The ABS, TRAC, Trailer Sway
Control and VSC systems will not
function correctly if different tires
are installed on the vehicle.
Contact your Toyota dealer for
further information when replacing
tires or wheels.
■
Handling of tires and the sus-
pension
Using tires with any kind of prob-
lem or modifying the suspension
will affect the driving assist sys-
tems, and may cause a system to
malfunction.
■
Trailer Sway Control precau-
tion
The Trailer Sway Control system
is not able to reduce trailer sway
in all situations. Depending on
many factors such as the condi-
tions of the vehicle, trailer, road
surface and driving environment,
the Trailer Sway Control system
may not be effective. Refer to
your trailer owner’s manual for
information on how to tow your
trailer properly.
■
If trailer sway occurs
Observe the following precau-
tions.
Failing to do so may cause death
or serious injury.
●
Firmly grip the steering wheel.
Steer straight ahead. Do not try
to control trailer sway by turning
the steering wheel.
Summary of Contents for Sienna 2021
Page 13: ...13 ...
Page 30: ...30 Pictorial index ...
Page 209: ...208 3 5 Opening closing the windows and moon roof ...
Page 346: ...346 4 6 Driving tips ...
Page 373: ...373 5 3 Using the storage features 5 Interior features ...
Page 454: ...454 6 3 Do it yourself maintenance ...
Page 514: ...514 7 2 Steps to take in an emergency ...
Page 552: ...552 8 3 Initialization ...
Page 565: ...565 Index What to do if Trouble shooting 566 Alphabetical Index 569 ...
Page 584: ...584 Certifications Safety Connect ...
Page 585: ...585 Smart key system and immobilizer system ...
Page 586: ...586 For vehicles sold in the U S A Hawaii Guam Saipan and Puerto Rico Smart key system ...
Page 587: ...587 For vehicles sold in Canada ...
Page 589: ...589 For vehicles sold in the U S A Hawaii Guam Saipan and Puerto Rico BSM Blind Spot Monitor ...
Page 591: ...591 Wireless charger ...
Page 592: ...592 ...
Page 593: ...593 ...
Page 595: ...595 Tire pressure warning system ...
Page 596: ...596 ...
Page 597: ...597 ...
Page 598: ...598 ...
Page 599: ...599 ...