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4
RCFOM(GE)1903
4-5. Using the driving support systems
Driving
and hold the switch for more than 3
seconds.
The “TRC OFF” indicator light and the
VSC OFF indicator light will come on.
*
Press the switch again to turn the sys-
tems back on.
*
: On vehicles with PCS (Pre-Collision
System), pre-collision brake assist and
precollision braking will also be disabled.
The pre-collision system warning light
will come on and a message will be dis-
played on the multi-information display.
(P.196)
■
Expert mode
When expert mode is selected, it is possible
to drive in a more sporty manner than other
drive modes. Expert mode disables the
TRC and VSC systems but the engine and
brakes may be controlled depending on the
vehicle behavior.
To select expert mode, press the
switch when in SPORT S+ mode.
The “EXPERT” indicator will come on
together with the TRC OFF and VSC OFF
indicators.
To cancel expert mode, press the
switch or use the driving mode select switch
to select a driving mode other than SPORT
S+ mode.
■
When the “TRC OFF” indicator light
comes on even if the switch has not
been pressed
TRC is temporary deactivated. If the indica-
tor light continues to remain on, contact
your Lexus 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/back-
ward 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 moved to P or N.
●
The accelerator pedal is depressed.
●
The parking brake is engaged.
●
Approximately 2 seconds elapse after
the brake pedal is released.
■
Sounds and vibrations caused by the
ABS, brake assist, TRC, VSC and
hill-start assist control systems
●
A sound may be heard from the engine