Lexus IS 300 2019, Owner'S Manual

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4-5. Using the driving support systems
IS350_300_GE
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Turning off both TRC and VSC systems
To turn the TRC and VSC systems off, press and hold or 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 or again to turn the system back on.
*
: On vehicles with pre-collision system, pre-collision brake assist and pre-collision brak-
ing will also be disabled. The pre-collision system warning light will come on and the
message will be shown on the multi-information display. (

P. 278)
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When the message is displayed on the multi-information display showing that TRC has
been disabled even if the VSC OFF switch has not been pressed
TRC cannot be operated. Contact your Lexus dealer.
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VGRS is disabled when
VGRS may stop operating in the following situations.
In this event, the steering wheel may move from its straight forward position, but it will
return when the system restarts.
●
When the steering wheel is operated for an extended period of time while the vehicle is
stopped or is moving very slowly
●
When the steering wheel has been held fully to the left or right
The center position of the steering wheel may change when VGRS is disabled. However,
the position will return to normal after VGRS is reactivated.
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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
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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
●
Approximately 2 seconds elapse after the brake pedal is released
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When the battery is disconnected
The steering wheel may move from its straight forward position, but this will be corrected
automatically when driving.
IS350_IS300_OM_General_OM53F31E