Lexus NX 300h 2020 Owner's Manual page 226

224
4-5. Using the driving support systems
lowing conditions are met in addition to the
operation conditions for the lane departure
alert function.
• Setting for "Steering Assist" in
multi-information display is set to "On".
(P. 89)
• Vehicle is not accelerated or decelerated
by a fixed amount or more.
• Steering wheel is not operated with a
steering force level suitable for changing
lanes.
• ABS, VSC, TRAC and PCS are not oper-
ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. (P.225)
Vehicle sway warning function
●
This function operates when all of the fol-
lowing conditions are met.
• Setting for "Sway Warning" in
multi-information display is set to "On".
(P.89)
• Vehicle speed is approximately 32 mph
(50 km/h) or more.
• Width of traffic lane is approximately 9.8
ft. (3 m) or more.
• No system malfunctions are detected.
(P.225)
Lane centering function
●
This function operates when all of the fol-
lowing conditions are met.
• LTA is turned on.
• Setting for "Steering Assist" and "Lane
Center" in of the multi-information
display are set to "On". (P.89)
• This function recognizes white (yellow)
lane lines or the position of a preceding
vehicle (except when the preceding vehi-
cle is small, such as a motorcycle).
• The dynamic radar cruise control with
full-speed range is operating in vehicle-
to-vehicle distance control mode.
• Width of traffic lane is approximately 10
to 13 ft. (3 to 4 m).
• Turn signal lever is not operated.
• Vehicle is not being driven around a
sharp curve.
• No system malfunctions are detected.
(P.225)
• Vehicle does not accelerate or deceler-
ate by a fixed amount or more.
• Steering wheel is not operated with a
steering force level suitable for changing
of the
lanes.
• ABS, VSC, TRAC and PCS are not oper-
ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. (P.225)
• The vehicle is being driven in the center
of a lane.
• Steering assist function is not operating.
Temporary cancelation of functions
■
● When operation conditions are no longer
met, a function may be temporarily can-
celed. However, when the operation con-
ditions are met again, operation of the
function is automatically restored.
(P.223)
of the
● If the operation conditions (P.223) are
no longer met while the lane centering
function is operating, the steering wheel
may vibrate and the buzzer may sound to
indicate that the function has been tem-
porarily canceled. However, if the "Alert"
customization setting is set to
the system will notify the driver by vibrat-
ing the steering wheel instead of sound-
ing the buzzer.
■ Steering assist function/lane centering
function
Depending on the vehicle speed, lane
●
departure situation, road conditions, etc.,
the driver may not feel the function is
operating or the function may not oper-
ate at all.
The steering control of the function is
●
overridden by the driver's steering wheel
operation.
● Do not attempt to test the operation of
the steering assist function.
Lane departure alert function
■
The warning buzzer may be difficult to
●
hear due to external noise, audio play-
back, etc. Also, it may be difficult to feel
steering wheel vibrations due to the road
,