Lexus NX350h 2022 Owner's Manual page 354

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6-1. Features of the safe driving support functions
Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
The shift position 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
Power switch is turned to OFF
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.
Sounds and vibrations caused by the ABS, brake assist, VSC, Trailer Sway Control,
TRAC and hill-start assist control systems
A sound may be heard from the engine compartment when the brake pedal is
depressed repeatedly, 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 systems 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.
Operating sound heard from the engine compartment when one or two minutes
passed after the stop of the hybrid system.
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