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222
4-5. Using the driving support systems
COROLLA HV_U
■ Turning off both TRAC and VSC
systems
To turn the TRAC and VSC 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 system
back on.
*
: PCS will also be disabled (only
Pre-Collision warning is avail-
able). The PCS warning light will
come on and a message will be
displayed on the multi-information
display. (P.181)
■ When the message is dis-
played on the multi-information
display showing that TRAC has
been disabled even if has
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 the following four 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 and hill-start assist con-
trol systems
● A sound may be heard from the
engine compartment when the
brake pedal is depressed repeat-
edly, when the hybrid system is
started or just after the vehicle
begins to move. This sound does
not indicate that a malfunction has
occurred in any of these systems.
● Any of the following conditions
may occur when the above sys-
tems are operating.
None of these indicates that a
malfunction has occurred.
• Vibrations may be felt through the
vehicle body and steering.
• A motor sound may be heard also
after the vehicle comes to a stop.
■ ECB operating sound
ECB operating sound may be heard
in the following cases, but it does
not indicate that a malfunction has
occurred.
● Operating sound heard from the
engine compartment when the
brake pedal is operated.
● Motor sound of the brake system
heard from the front part of the
vehicle when the driver’s door is
opened.
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