Toyota SIENNA 2022 Manual page 337

336
4-5. Using the driving support systems
■ Disabling the TRAC system
If the vehicle gets stuck in mud, dirt
or snow, the TRAC system may
reduce power from the hybrid sys-
tem to the wheels.
Pressing to turn the system off
may make it easier for you to rock
the vehicle in order to free it.
To turn the TRAC system off,
quickly press and release
The "Traction Control Turned Off"
will be shown on the multi-informa-
tion display.
Press again to turn the system
back on.
■ Turning off the
TRAC/VSC/Trailer Sway Con-
trol systems
To turn the TRAC/VSC/Trailer Sway
Control systems off, press and hold
for more than 3 seconds while
the vehicle is stopped.
The VSC OFF indicator light will
come on and the "Traction Control
Turned Off" will be shown on the
multi-information display.
Press again to turn the systems
back on.
*
: PCS (Pre-Collision System) will
also be disabled (only the pre-col-
lision warning function is avail-
able). The PCS warning light will
come on and the message will be
shown on the multi-information
display.(P.276)
■ When the message is dis-
played on the multi-information
display showing that TRAC has
been disabled even if
not been pressed
TRAC is temporary deactivated. If
the information continues to show,
contact your Toyota dealer.
■ Operating conditions of hill-
start assist control
.
When all of the following conditions
are met, the hill-start assist control
will operate.
● The shift lever is in a position
other than P or N (when starting
off forward/backward on an
upward incline)
● The vehicle is stopped
● The accelerator pedal is not
depressed
● The parking brake is not engaged
■ Automatic system cancelation
of hill-start assist control
The hill-start assist control will turn
off in any of the following situations:
● The shift lever is shifted to P or N
● The accelerator pedal is
depressed
● The parking brake is engaged
● 2 seconds at maximum elapsed
after the brake pedal is released
■ Sounds and vibrations caused
by the ABS, brake assist, VSC,
TRAC, Trailer Sway Control and
*
hill-start assist control systems
● A sound may be heard from the
engine compartment when the
brake pedal is depressed repeat-
has